Nothing
R/mml.paramtabs.R
In EdSurvey: Analysis of NCES Education Survey and Assessment Data
Defines functions
timssParamForm
timssParam
timssParamTabs
naepParamTabs
parseNAEPdct
Documented in
parseNAEPdct
#' Format AM dct File for Use with DirectEstimation
#' @description
#' Takes an \code{AM dct} file and formats it for use with the \code{mml} method
#' as \code{paramTab}.
#'
#' @param dct a file location from which to read the \code{dct} file
#' @param mml a logical for if the paramTab is being used in \code{mml.sdf}
#'
#' @return a \code{data.frame} in a format suitable for use with \code{mml} as
#' a \code{paramTab}.
#'
#' @author Sun-Joo Lee
#' @export
parseNAEPdct <- function(dct, mml = TRUE) {
# build
dichotParamTab <- data.frame()
polyParamTab <- data.frame()
testDat <- data.frame()
# correct factors
subjects <- c("Mathematics", "Reading", "Science", "Geography", "History", "Writing", "Civics", "Economics", "Arts")
CompositeSubjects <- c("Mathematics", "Reading", "Science", "Geography", "History", "Writing", "Civics", "Economics", "Arts")
subtests <- c("algebra", "geometry", "measurement", "number", "data", "information", "literary", "earth", "life", "physical", "environment", "space", "spatial", "cultures", "democracy", "technology", "world", "task", "ltt", "ltt_bridge", "international", "market", "national", "vocabulary", "univariate", "one", "overall")
dct_obj <- readLines(dct)
for (line in dct_obj) {
line <- trimws(tolower(line))
line <- gsub(" = ", "=", line)
line <- gsub(" =", "=", line)
line <- gsub("= ", "=", line)
if (grepl("irm=3pl", line)) {
# parse dichot
line_split <- unlist(strsplit(line, " "))
naepid <- line_split[1]
ipa <- as.numeric(unlist(strsplit(line_split[grepl("ipa", line_split)], "="))[2])
ipb <- as.numeric(unlist(strsplit(line_split[grepl("ipb", line_split)], "="))[2])
ipc <- as.numeric(unlist(strsplit(line_split[grepl("ipc", line_split)], "="))[2])
subtest <- as.numeric(unlist(strsplit(line_split[grepl("onsubtest", line_split)], "="))[2])
params_row <- as.data.frame(
list(
ItemID = tolower(naepid),
subtest = subtest,
slope = ipa,
difficulty = ipb,
guessing = ipc
)
)
dichotParamTab <- rbind(dichotParamTab, params_row)
} else if (grepl("irm=pcl", line)) {
# parse poly
line_split <- unlist(strsplit(line, " "))
naepid <- line_split[1]
ipa <- as.numeric(unlist(strsplit(line_split[grepl("ipa", line_split)], "="))[2])
ipb <- as.numeric(unlist(strsplit(line_split[grepl("ipb", line_split)], "="))[2])
ds <- c()
for (dnum in 1:5) {
d <- as.numeric(unlist(strsplit(line_split[grepl(paste0("ipd", dnum), line_split)], "="))[2])
if (length(d) == 0) {
d <- NA
}
ds <- c(ds, d)
}
subtest <- as.numeric(unlist(strsplit(line_split[grepl("onsubtest", line_split)], "="))[2])
params_row <- as.data.frame(
list(
ItemID = naepid,
subtest = subtest,
slope = ipa,
itemLocation = ipb,
d1 = ds[1],
d2 = ds[2],
d3 = ds[3],
d4 = ds[4],
d5 = ds[5]
)
)
polyParamTab <- rbind(polyParamTab, params_row)
} else if (grepl("^subtest", line)) {
# parse testDat
line_split <- tolower(unlist(strsplit(line, " ")))
line_split <- gsub("[[:punct:]]+$", "", line_split)
line_split <- gsub("^[[:punct:]]+", "", line_split)
subtest_name <- intersect(line_split, subtests)
### This part will need to be refined to capture all variations of subtest names ###
if (length(subtest_name) != 1) {
subtest_name <- unlist(strsplit(line_split[1], "="))[2]
subtest_name <- tolower(gsub("[[:punct:]]+", "", subtest_name))
if (subtest_name == "numbers") {
subtest_name <- "number"
}
}
if ((subtest_name == "space") & (grepl("earth", line))) {
subtest_name <- "earth"
}
if ((subtest_name == "one") | (subtest_name == "overall")) {
subtest_name <- "univariate"
}
### Up to here ###
subtest_num <- as.numeric(unlist(strsplit(line_split[grepl("id", line_split)], "="))[2])
subtest_scale <- as.numeric(unlist(strsplit(line_split[grepl("scale", line_split)], "="))[2])
subtest_loc <- as.numeric(unlist(strsplit(line_split[grepl("location", line_split)], "="))[2])
subtest_wgt <- as.numeric(unlist(strsplit(line_split[grepl("weight", line_split)], "="))[2])
if (identical(subtest_wgt, numeric(0))) {
subtest_wgt <- 0
}
subtest_row <- as.data.frame(
list(
subtest = subtest_name,
subtestNumber = subtest_num,
scale = subtest_scale,
location = subtest_loc,
subtestWeight = subtest_wgt
)
)
testDat <- rbind(testDat, subtest_row)
} else if (grepl("^test", line)) {
line_split <- trimws(gsub("[[:punct:] ]+", " ", (unlist(strsplit(unlist(strsplit(line, " ")), "=")))))
nums <- grep("[[:digit:]]+", line_split, value = TRUE)
theyear <- as.numeric(nums[1])
thelevel <- as.numeric(nums[2])
if (("age" %in% line_split) & ("grade" %in% line_split)) {
warning("Unclear whether grade or age of students.")
theleveltype <- ""
} else if ("age" %in% line_split) {
theleveltype <- "age"
} else if ("grade" %in% line_split) {
theleveltype <- "grade"
} else {
theleveltype <- ""
}
if (("national" %in% line_split) & ("state" %in% line_split)) {
warning("Unclear whether National or State test.")
theregion <- ""
} else if ("national" %in% line_split) {
theregion <- "national"
} else if ("state" %in% line_split) {
theregion <- "state"
} else {
theregion <- ""
}
thesubject <- intersect(line_split, tolower(subjects))
if (length(thesubject) == 1) {
thesubject <- thesubject
} else {
for (part in line_split) {
subject <- grep(part, tolower(subjects), value = TRUE)
if (length(subject) == 1) {
thesubject <- subject
break
} else {
thesubject <- ""
}
}
}
}
}
# check that the DCT had IRT attributes, if not return an error
if (nrow(dichotParamTab) == 0 && nrow(polyParamTab) == 0 && nrow(testDat) == 0) {
stop(paste0(
"Unable to locate dichotomous or polytomous IRT parameters in DCT file: ", dQuote(dct),
". Ensure you specified the correct file and retry."
))
}
if (nrow(testDat) == 0) {
stop(paste0(
"Unable to locate any test/subtest data IRT parameters in DCT file: ", dQuote(dct),
". Ensure you specified the correct file and retry."
))
}
# change subtest from number to label
dichotParamTab$subtest <- unlist(lapply(dichotParamTab$subtest, function(x) testDat[testDat$subtestNumber == x, "subtest"]))
polyParamTab$subtest <- unlist(lapply(polyParamTab$subtest, function(x) testDat[testDat$subtestNumber == x, "subtest"]))
testDat$subtestNumber <- NULL
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
testDat$test <- "composite"
} else {
testDat$test <- "overall"
}
# for feeding into mml.sdf
if (mml) {
if (nrow(dichotParamTab) > 0) {
dichotParamTab$D <- 1.7
dichotParamTab$missingValue <- "c"
dichotParamTab$missingCode <- 8
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
dichotParamTab$test <- "composite"
} else {
dichotParamTab$test <- "overall"
}
}
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
polyParamTab$missingValue <- "c"
polyParamTab$missingCode <- 8
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
polyParamTab$test <- "composite"
} else {
polyParamTab$test <- "overall"
}
}
} else {
# for making NAEPirtparams
if (nrow(dichotParamTab) > 0) {
dichotParamTab$level <- thelevel
dichotParamTab$levelType <- theleveltype
dichotParamTab$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
dichotParamTab$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
dichotParamTab$year <- theyear
}
if (nrow(polyParamTab) > 0) {
polyParamTab$level <- thelevel
polyParamTab$levelType <- theleveltype
polyParamTab$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
polyParamTab$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
polyParamTab$year <- theyear
}
if (nrow(testDat) > 0) {
testDat$level <- thelevel
testDat$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
testDat$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
testDat$year <- theyear
}
}
# return list
res <- list(
dichotParamTab = dichotParamTab,
polyParamTab = polyParamTab,
testDat = testDat
)
return(res)
}
naepParamTabs <- function(params_use) {
paramTabs <- list()
# polyParamTab
poly <- params_use[!is.na(params_use$d1), ]
polyParamTab <- poly[ , colnames(poly)[!colnames(poly) %in% c("c")]]
polyParamTab <- polyParamTab[ , c("NAEPid", "subtest", "a", "b", paste0("d", 1:5))]
colnames(polyParamTab) <- c("ItemID", "subtest", "slope", "itemLocation", paste0("d", 1:5))
polyParamTab$ItemID <- tolower(polyParamTab$ItemID)
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
polyParamTab$missingValue <- "c"
polyParamTab$missingCode <- 8
}
# dichotomous
bi <- params_use[!params_use$NAEPid %in% poly$NAEPid, ]
dichotParamTab <- bi[ , colnames(bi)[!colnames(bi) %in% paste0("d", 1:5)]]
dichotParamTab <- dichotParamTab[ , c("NAEPid", "subtest", "a", "b", "c")]
colnames(dichotParamTab) <- c("ItemID", "subtest", "slope", "difficulty", "guessing")
dichotParamTab$ItemID <- tolower(dichotParamTab$ItemID)
if (nrow(dichotParamTab) > 0) {
dichotParamTab[is.na(dichotParamTab$guessing), "guessing"] <- 0
dichotParamTab$D <- 1.7
dichotParamTab$missingValue <- "c"
dichotParamTab$missingCode <- 8
}
paramTabs$polyParamTab <- polyParamTab
paramTabs$dichotParamTab <- dichotParamTab
return(paramTabs)
}
timssParamTabs <- function(params_use) {
paramTabs <- list()
# polyParamTab
poly <- params_use[!is.na(params_use$d1), ]
polyParamTab <- poly[ , colnames(poly)[!colnames(poly) %in% c("c")]]
ds <- grep("^d[0-9]$", colnames(polyParamTab), value = TRUE)
polyParamTab <- polyParamTab[ , c("TIMSSid", "content_subtest", "cognitive_subtest", "a", "b", ds, "subject", "scorePoints")]
colnames(polyParamTab) <- c("ItemID", "content_subtest", "cognitive_subtest", "slope", "itemLocation", ds, "test", "scorePoints")
ss <- is.na(polyParamTab$scorePoints)
for (i in seq_along(ds)) {
polyParamTab$scorePoints[ss] <- ifelse(!is.na(polyParamTab[ss, ds[i]]), i, polyParamTab$scorePoints[ss])
}
polyParamTab$ItemID <- tolower(polyParamTab$ItemID)
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
}
# dichotomous
bi <- params_use[!params_use$TIMSSid %in% poly$TIMSSid, ]
dichotParamTab <- bi[ , colnames(bi)[!colnames(bi) %in% paste0("d", 1:2)]]
dichotParamTab <- dichotParamTab[ , c("TIMSSid", "content_subtest", "cognitive_subtest", "a", "b", "c", "subject")]
colnames(dichotParamTab) <- c("ItemID", "content_subtest", "cognitive_subtest", "slope", "difficulty", "guessing", "test")
dichotParamTab$ItemID <- tolower(dichotParamTab$ItemID)
if (nrow(dichotParamTab) > 0) {
dichotParamTab[is.na(dichotParamTab$guessing), "guessing"] <- 0
dichotParamTab$D <- 1.7
}
paramTabs$polyParamTab <- polyParamTab
paramTabs$dichotParamTab <- dichotParamTab
return(paramTabs)
}
timssParam <- function(timssDir, theYear, theLevel) {
theYear <- as.numeric(theYear)
theLevel <- as.numeric(unlist(regmatches(theLevel, gregexpr("[[:digit:]]+", theLevel))))
if (theYear == 2011) {
df1Name <- paste0("^T11_G", theLevel, "_ItemParameters[.]xlsx$")
df2Name <- paste0("^T11_G", theLevel, "_ItemInformation[.]xlsx$")
df3Name <- paste0("^T11_G", theLevel, "_Transform[.]xlsx$")
df1File <- list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE) # if multiple files found, assume they are the same file but in different dirs
df2File <- list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE)
df3File <- list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE)
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2011/downloads/T11_ItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2011/downloads/T11_ItemInformation.zip"
)
timssDirout <- timssDir
if ("2011" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
df1m <- suppressMessages(read_excel(df1File[1], sheet = "MAT", progress = FALSE))
df2m <- suppressMessages(read_excel(df2File[1], sheet = "MAT", progress = FALSE))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "T11_Transform", progress = FALSE))
df1s <- suppressMessages(read_excel(df1File[1], sheet = "SCI", progress = FALSE))
df2s <- suppressMessages(read_excel(df2File[1], sheet = "SCI", progress = FALSE))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "T11_Transform", progress = FALSE))
} else if (theYear == 2015) {
df1Name <- paste0("^T15_G", theLevel, "_ItemParameters[.]xlsx$")
df2Name <- paste0("^T15_G", theLevel, "_ItemInformation[.]xlsx$")
df3Name <- paste0("^T15_G", theLevel, "_TransformConstants[.]xlsx$")
df1File <- list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE) # if multiple files found, assume they are the same file but in different dirs
df2File <- list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE)
df3File <- list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE)
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
if (theLevel == 4) {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G4_IRTItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G4_ItemInformation.zip"
)
} else {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G8_IRTItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G8_ItemInformation.zip"
)
}
timssDirout <- timssDir
if ("2015" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
df1m <- suppressMessages(read_excel(df1File[1], sheet = "MAT", progress = FALSE))
df2m <- suppressMessages(read_excel(df2File[1], sheet = "MAT", progress = FALSE))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "MAT", progress = FALSE))
df1s <- suppressMessages(read_excel(df1File[1], sheet = "SCI", progress = FALSE))
df2s <- suppressMessages(read_excel(df2File[1], sheet = "SCI", progress = FALSE))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "SCI", progress = FALSE))
} else if (theYear == 2019) {
df1Name <- paste0("^eT19_G", theLevel, "_Item Parameters Adj[.]xlsx$|^T19_G", theLevel, "_Item Parameters[.]xlsx$")
df2Name <- paste0("^e?T19_G", theLevel, "_Item Information[.]xlsx$")
df3Name <- paste0("^T19_G", theLevel, "_Transform Constants[.]xlsx$")
df1File <- unique(list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE)) # if multiple files found, assume they are the same file but in different dirs
df2File <- unique(list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE))
df3File <- unique(list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE))
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
if (theLevel == 4) {
zips <- paste0(
". Download them here: ",
"https://timss2019.org/international-database/downloads/T19_G4_Item%20Information.zip", " and ",
"https://timss2019.org/international-database/downloads/T19_G4_IRT%20Item%20Parameters.zip"
)
} else {
zips <- paste0(
". Download them here: ",
"https://timss2019.org/international-database/downloads/T19_G8_Item%20Information.zip", " and ",
"https://timss2019.org/international-database/downloads/T19_G8_IRT%20Item%20Parameters.zip"
)
}
timssDirout <- timssDir
if ("2019" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
fixDF1 <- function(z, subject) {
res <- suppressMessages(read_excel(z, sheet = subject, progress = FALSE))
if (theYear == 2019 & "2015" %in% res[2, 4] & "RMSD" %in% res[1, 4]) {
res <- res[ , -4]
}
colnames(res) <- NA
return(res)
}
df1m <- do.call(rbind, lapply(df1File, fixDF1, subject = "MAT"))
df2m <- do.call(rbind, lapply(df2File, function(z) {
(suppressMessages(read_excel(z, sheet = "MAT", progress = FALSE)))
}))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "MAT", progress = FALSE))
df1s <- do.call(rbind, lapply(df1File, fixDF1, subject = "SCI"))
df2s <- do.call(rbind, lapply(df2File, function(z) {
(suppressMessages(read_excel(z, sheet = "SCI", progress = FALSE)))
}))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "SCI", progress = FALSE))
} else {
stop(paste0("Item parameters are currently not available for ", theYear, "."))
}
allParamsM <- timssParamForm(df1m, df2m, df3m, theYear, theLevel, "MAT")
allParamsS <- timssParamForm(df1s, df2s, df3s, theYear, theLevel, "SCI")
allParams <- list(
params = rbind(allParamsM$params, allParamsS$params),
transformations = rbind(allParamsM$transformations, allParamsS$transformations)
)
return(allParams)
}
timssParamForm <- function(itemParamDf, itemInfoDf, transConst, theYear, theLevel, subjectFilter) {
allParams <- list()
# clean
if (theYear %in% 2019) {
itemParamDf <- itemParamDf[3:nrow(itemParamDf), 3:ncol(itemParamDf)]
colnames(itemParamDf) <- c("Item ID", "", "a", "", "b", "", "c", "", "d1", "", "d2", "")
} else {
itemParamDf <- itemParamDf[3:nrow(itemParamDf), ]
colnames(itemParamDf) <- c("", "Item ID", "a", "", "b", "", "c", "", "d1", "", "d2", "")
}
itemParamDf <- itemParamDf[ , !colnames(itemParamDf) %in% ""]
itemParamDf <- itemParamDf[!is.na(itemParamDf$`Item ID`), ]
itemInfoDf <- itemInfoDf[ , c("Item ID", "Grade", "Subject", "Content Domain", "Cognitive Domain", "Maximum Points")]
# these did not merge, they will not be on this assessment
params <- merge(itemParamDf, itemInfoDf, by = "Item ID", all.x = TRUE)
# merge param and info together
params <- params[!params$"Cognitive Domain" %in% c("", NA), ]
params[is.na(params$Grade), "Grade"] <- unique(na.omit(params$Grade))
params[is.na(params$`Content Domain`), "Content Domain"] <- ""
params$Subject <- ifelse(subjectFilter == "MAT", "mmat", ifelse(subjectFilter == "SCI", "ssci", ""))
params$year <- as.numeric(theYear)
colnames(params) <- c(
"TIMSSid", "a", "b", "c", "d1", "d2", "level",
"subject", "content_subtest", "cognitive_subtest",
"scorePoints", "year"
)
# clean
params$TIMSSid <- tolower(params$TIMSSid)
colsNum <- c("a", "b", "c", "d1", "d2")
params[colsNum] <- sapply(params[colsNum], as.numeric)
params$content_subtest <- ifelse(params$content_subtest %in% c("Data Display","Data","Data and Probability","Data and Chance"), "mdat", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest %in% c("Geometric Shapes and Measures","Measurement and Geometry","Geometry"), "mgeo", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Number", "mnum", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Algebra", "malg", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Earth Science", "sear", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Life Science", "slif", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Biology", "sbio", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Chemistry", "sche", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest %in% c("Physical Science","Physics"), "sphy", params$content_subtest)
prefix <- ifelse(subjectFilter == "MAT", "m", "s")
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Applying", paste0(prefix, "app"), params$cognitive_subtest)
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Knowing", paste0(prefix, "kno"), params$cognitive_subtest)
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Reasoning", paste0(prefix, "rea"), params$cognitive_subtest)
allParams$params <- params
# transformations
if (theYear == 2011) {
if (subjectFilter == "MAT") {
transformations <- transConst[3:7, 6:7]
transformations$subject <- "Mathematics"
} else { # SCI
transformations <- transConst[11:15, 6:7]
transformations$subject <- "Science"
}
} else { # 2015
transformations <- transConst[3:nrow(transConst), 6:7]
transformations$subject <- ifelse(subjectFilter == "MAT", "Mathematics", ifelse(subjectFilter == "SCI", "Science", ""))
}
colnames(transformations) <- c("location", "scale", "subject")
transformations$location <- as.numeric(transformations$location)
transformations$scale <- as.numeric(transformations$scale)
# year, grade
transformations$year <- theYear
transformations$level <- theLevel
params$subject <- ifelse(subjectFilter == "MAT", "mmat", ifelse(subjectFilter == "SCI", "ssci", ""))
allParams$transformations <- transformations
return(allParams)
}
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Defines functions timssParamForm timssParam timssParamTabs naepParamTabs parseNAEPdct
Documented in parseNAEPdct
#' Format AM dct File for Use with DirectEstimation
#' @description
#' Takes an \code{AM dct} file and formats it for use with the \code{mml} method
#' as \code{paramTab}.
#'
#' @param dct a file location from which to read the \code{dct} file
#' @param mml a logical for if the paramTab is being used in \code{mml.sdf}
#'
#' @return a \code{data.frame} in a format suitable for use with \code{mml} as
#' a \code{paramTab}.
#'
#' @author Sun-Joo Lee
#' @export
parseNAEPdct <- function(dct, mml = TRUE) {
# build
dichotParamTab <- data.frame()
polyParamTab <- data.frame()
testDat <- data.frame()
# correct factors
subjects <- c("Mathematics", "Reading", "Science", "Geography", "History", "Writing", "Civics", "Economics", "Arts")
CompositeSubjects <- c("Mathematics", "Reading", "Science", "Geography", "History", "Writing", "Civics", "Economics", "Arts")
subtests <- c("algebra", "geometry", "measurement", "number", "data", "information", "literary", "earth", "life", "physical", "environment", "space", "spatial", "cultures", "democracy", "technology", "world", "task", "ltt", "ltt_bridge", "international", "market", "national", "vocabulary", "univariate", "one", "overall")
dct_obj <- readLines(dct)
for (line in dct_obj) {
line <- trimws(tolower(line))
line <- gsub(" = ", "=", line)
line <- gsub(" =", "=", line)
line <- gsub("= ", "=", line)
if (grepl("irm=3pl", line)) {
# parse dichot
line_split <- unlist(strsplit(line, " "))
naepid <- line_split[1]
ipa <- as.numeric(unlist(strsplit(line_split[grepl("ipa", line_split)], "="))[2])
ipb <- as.numeric(unlist(strsplit(line_split[grepl("ipb", line_split)], "="))[2])
ipc <- as.numeric(unlist(strsplit(line_split[grepl("ipc", line_split)], "="))[2])
subtest <- as.numeric(unlist(strsplit(line_split[grepl("onsubtest", line_split)], "="))[2])
params_row <- as.data.frame(
list(
ItemID = tolower(naepid),
subtest = subtest,
slope = ipa,
difficulty = ipb,
guessing = ipc
)
)
dichotParamTab <- rbind(dichotParamTab, params_row)
} else if (grepl("irm=pcl", line)) {
# parse poly
line_split <- unlist(strsplit(line, " "))
naepid <- line_split[1]
ipa <- as.numeric(unlist(strsplit(line_split[grepl("ipa", line_split)], "="))[2])
ipb <- as.numeric(unlist(strsplit(line_split[grepl("ipb", line_split)], "="))[2])
ds <- c()
for (dnum in 1:5) {
d <- as.numeric(unlist(strsplit(line_split[grepl(paste0("ipd", dnum), line_split)], "="))[2])
if (length(d) == 0) {
d <- NA
}
ds <- c(ds, d)
}
subtest <- as.numeric(unlist(strsplit(line_split[grepl("onsubtest", line_split)], "="))[2])
params_row <- as.data.frame(
list(
ItemID = naepid,
subtest = subtest,
slope = ipa,
itemLocation = ipb,
d1 = ds[1],
d2 = ds[2],
d3 = ds[3],
d4 = ds[4],
d5 = ds[5]
)
)
polyParamTab <- rbind(polyParamTab, params_row)
} else if (grepl("^subtest", line)) {
# parse testDat
line_split <- tolower(unlist(strsplit(line, " ")))
line_split <- gsub("[[:punct:]]+$", "", line_split)
line_split <- gsub("^[[:punct:]]+", "", line_split)
subtest_name <- intersect(line_split, subtests)
### This part will need to be refined to capture all variations of subtest names ###
if (length(subtest_name) != 1) {
subtest_name <- unlist(strsplit(line_split[1], "="))[2]
subtest_name <- tolower(gsub("[[:punct:]]+", "", subtest_name))
if (subtest_name == "numbers") {
subtest_name <- "number"
}
}
if ((subtest_name == "space") & (grepl("earth", line))) {
subtest_name <- "earth"
}
if ((subtest_name == "one") | (subtest_name == "overall")) {
subtest_name <- "univariate"
}
### Up to here ###
subtest_num <- as.numeric(unlist(strsplit(line_split[grepl("id", line_split)], "="))[2])
subtest_scale <- as.numeric(unlist(strsplit(line_split[grepl("scale", line_split)], "="))[2])
subtest_loc <- as.numeric(unlist(strsplit(line_split[grepl("location", line_split)], "="))[2])
subtest_wgt <- as.numeric(unlist(strsplit(line_split[grepl("weight", line_split)], "="))[2])
if (identical(subtest_wgt, numeric(0))) {
subtest_wgt <- 0
}
subtest_row <- as.data.frame(
list(
subtest = subtest_name,
subtestNumber = subtest_num,
scale = subtest_scale,
location = subtest_loc,
subtestWeight = subtest_wgt
)
)
testDat <- rbind(testDat, subtest_row)
} else if (grepl("^test", line)) {
line_split <- trimws(gsub("[[:punct:] ]+", " ", (unlist(strsplit(unlist(strsplit(line, " ")), "=")))))
nums <- grep("[[:digit:]]+", line_split, value = TRUE)
theyear <- as.numeric(nums[1])
thelevel <- as.numeric(nums[2])
if (("age" %in% line_split) & ("grade" %in% line_split)) {
warning("Unclear whether grade or age of students.")
theleveltype <- ""
} else if ("age" %in% line_split) {
theleveltype <- "age"
} else if ("grade" %in% line_split) {
theleveltype <- "grade"
} else {
theleveltype <- ""
}
if (("national" %in% line_split) & ("state" %in% line_split)) {
warning("Unclear whether National or State test.")
theregion <- ""
} else if ("national" %in% line_split) {
theregion <- "national"
} else if ("state" %in% line_split) {
theregion <- "state"
} else {
theregion <- ""
}
thesubject <- intersect(line_split, tolower(subjects))
if (length(thesubject) == 1) {
thesubject <- thesubject
} else {
for (part in line_split) {
subject <- grep(part, tolower(subjects), value = TRUE)
if (length(subject) == 1) {
thesubject <- subject
break
} else {
thesubject <- ""
}
}
}
}
}
# check that the DCT had IRT attributes, if not return an error
if (nrow(dichotParamTab) == 0 && nrow(polyParamTab) == 0 && nrow(testDat) == 0) {
stop(paste0(
"Unable to locate dichotomous or polytomous IRT parameters in DCT file: ", dQuote(dct),
". Ensure you specified the correct file and retry."
))
}
if (nrow(testDat) == 0) {
stop(paste0(
"Unable to locate any test/subtest data IRT parameters in DCT file: ", dQuote(dct),
". Ensure you specified the correct file and retry."
))
}
# change subtest from number to label
dichotParamTab$subtest <- unlist(lapply(dichotParamTab$subtest, function(x) testDat[testDat$subtestNumber == x, "subtest"]))
polyParamTab$subtest <- unlist(lapply(polyParamTab$subtest, function(x) testDat[testDat$subtestNumber == x, "subtest"]))
testDat$subtestNumber <- NULL
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
testDat$test <- "composite"
} else {
testDat$test <- "overall"
}
# for feeding into mml.sdf
if (mml) {
if (nrow(dichotParamTab) > 0) {
dichotParamTab$D <- 1.7
dichotParamTab$missingValue <- "c"
dichotParamTab$missingCode <- 8
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
dichotParamTab$test <- "composite"
} else {
dichotParamTab$test <- "overall"
}
}
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
polyParamTab$missingValue <- "c"
polyParamTab$missingCode <- 8
if (tolower(thesubject) %in% tolower(CompositeSubjects)) {
polyParamTab$test <- "composite"
} else {
polyParamTab$test <- "overall"
}
}
} else {
# for making NAEPirtparams
if (nrow(dichotParamTab) > 0) {
dichotParamTab$level <- thelevel
dichotParamTab$levelType <- theleveltype
dichotParamTab$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
dichotParamTab$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
dichotParamTab$year <- theyear
}
if (nrow(polyParamTab) > 0) {
polyParamTab$level <- thelevel
polyParamTab$levelType <- theleveltype
polyParamTab$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
polyParamTab$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
polyParamTab$year <- theyear
}
if (nrow(testDat) > 0) {
testDat$level <- thelevel
testDat$assessmentCode <- paste0(toupper(substr(theregion, 1, 1)), substr(theregion, 2, nchar(theregion)))
testDat$subject <- paste0(toupper(substr(thesubject, 1, 1)), substr(thesubject, 2, nchar(thesubject)))
testDat$year <- theyear
}
}
# return list
res <- list(
dichotParamTab = dichotParamTab,
polyParamTab = polyParamTab,
testDat = testDat
)
return(res)
}
naepParamTabs <- function(params_use) {
paramTabs <- list()
# polyParamTab
poly <- params_use[!is.na(params_use$d1), ]
polyParamTab <- poly[ , colnames(poly)[!colnames(poly) %in% c("c")]]
polyParamTab <- polyParamTab[ , c("NAEPid", "subtest", "a", "b", paste0("d", 1:5))]
colnames(polyParamTab) <- c("ItemID", "subtest", "slope", "itemLocation", paste0("d", 1:5))
polyParamTab$ItemID <- tolower(polyParamTab$ItemID)
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
polyParamTab$missingValue <- "c"
polyParamTab$missingCode <- 8
}
# dichotomous
bi <- params_use[!params_use$NAEPid %in% poly$NAEPid, ]
dichotParamTab <- bi[ , colnames(bi)[!colnames(bi) %in% paste0("d", 1:5)]]
dichotParamTab <- dichotParamTab[ , c("NAEPid", "subtest", "a", "b", "c")]
colnames(dichotParamTab) <- c("ItemID", "subtest", "slope", "difficulty", "guessing")
dichotParamTab$ItemID <- tolower(dichotParamTab$ItemID)
if (nrow(dichotParamTab) > 0) {
dichotParamTab[is.na(dichotParamTab$guessing), "guessing"] <- 0
dichotParamTab$D <- 1.7
dichotParamTab$missingValue <- "c"
dichotParamTab$missingCode <- 8
}
paramTabs$polyParamTab <- polyParamTab
paramTabs$dichotParamTab <- dichotParamTab
return(paramTabs)
}
timssParamTabs <- function(params_use) {
paramTabs <- list()
# polyParamTab
poly <- params_use[!is.na(params_use$d1), ]
polyParamTab <- poly[ , colnames(poly)[!colnames(poly) %in% c("c")]]
ds <- grep("^d[0-9]$", colnames(polyParamTab), value = TRUE)
polyParamTab <- polyParamTab[ , c("TIMSSid", "content_subtest", "cognitive_subtest", "a", "b", ds, "subject", "scorePoints")]
colnames(polyParamTab) <- c("ItemID", "content_subtest", "cognitive_subtest", "slope", "itemLocation", ds, "test", "scorePoints")
ss <- is.na(polyParamTab$scorePoints)
for (i in seq_along(ds)) {
polyParamTab$scorePoints[ss] <- ifelse(!is.na(polyParamTab[ss, ds[i]]), i, polyParamTab$scorePoints[ss])
}
polyParamTab$ItemID <- tolower(polyParamTab$ItemID)
if (nrow(polyParamTab) > 0) {
polyParamTab$D <- 1.7
}
# dichotomous
bi <- params_use[!params_use$TIMSSid %in% poly$TIMSSid, ]
dichotParamTab <- bi[ , colnames(bi)[!colnames(bi) %in% paste0("d", 1:2)]]
dichotParamTab <- dichotParamTab[ , c("TIMSSid", "content_subtest", "cognitive_subtest", "a", "b", "c", "subject")]
colnames(dichotParamTab) <- c("ItemID", "content_subtest", "cognitive_subtest", "slope", "difficulty", "guessing", "test")
dichotParamTab$ItemID <- tolower(dichotParamTab$ItemID)
if (nrow(dichotParamTab) > 0) {
dichotParamTab[is.na(dichotParamTab$guessing), "guessing"] <- 0
dichotParamTab$D <- 1.7
}
paramTabs$polyParamTab <- polyParamTab
paramTabs$dichotParamTab <- dichotParamTab
return(paramTabs)
}
timssParam <- function(timssDir, theYear, theLevel) {
theYear <- as.numeric(theYear)
theLevel <- as.numeric(unlist(regmatches(theLevel, gregexpr("[[:digit:]]+", theLevel))))
if (theYear == 2011) {
df1Name <- paste0("^T11_G", theLevel, "_ItemParameters[.]xlsx$")
df2Name <- paste0("^T11_G", theLevel, "_ItemInformation[.]xlsx$")
df3Name <- paste0("^T11_G", theLevel, "_Transform[.]xlsx$")
df1File <- list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE) # if multiple files found, assume they are the same file but in different dirs
df2File <- list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE)
df3File <- list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE)
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2011/downloads/T11_ItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2011/downloads/T11_ItemInformation.zip"
)
timssDirout <- timssDir
if ("2011" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
df1m <- suppressMessages(read_excel(df1File[1], sheet = "MAT", progress = FALSE))
df2m <- suppressMessages(read_excel(df2File[1], sheet = "MAT", progress = FALSE))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "T11_Transform", progress = FALSE))
df1s <- suppressMessages(read_excel(df1File[1], sheet = "SCI", progress = FALSE))
df2s <- suppressMessages(read_excel(df2File[1], sheet = "SCI", progress = FALSE))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "T11_Transform", progress = FALSE))
} else if (theYear == 2015) {
df1Name <- paste0("^T15_G", theLevel, "_ItemParameters[.]xlsx$")
df2Name <- paste0("^T15_G", theLevel, "_ItemInformation[.]xlsx$")
df3Name <- paste0("^T15_G", theLevel, "_TransformConstants[.]xlsx$")
df1File <- list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE) # if multiple files found, assume they are the same file but in different dirs
df2File <- list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE)
df3File <- list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE)
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
if (theLevel == 4) {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G4_IRTItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G4_ItemInformation.zip"
)
} else {
zips <- paste0(
". Download them here: ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G8_IRTItemParameters.zip", " and ",
"https://timssandpirls.bc.edu/timss2015/international-database/downloads/T15_G8_ItemInformation.zip"
)
}
timssDirout <- timssDir
if ("2015" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
df1m <- suppressMessages(read_excel(df1File[1], sheet = "MAT", progress = FALSE))
df2m <- suppressMessages(read_excel(df2File[1], sheet = "MAT", progress = FALSE))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "MAT", progress = FALSE))
df1s <- suppressMessages(read_excel(df1File[1], sheet = "SCI", progress = FALSE))
df2s <- suppressMessages(read_excel(df2File[1], sheet = "SCI", progress = FALSE))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "SCI", progress = FALSE))
} else if (theYear == 2019) {
df1Name <- paste0("^eT19_G", theLevel, "_Item Parameters Adj[.]xlsx$|^T19_G", theLevel, "_Item Parameters[.]xlsx$")
df2Name <- paste0("^e?T19_G", theLevel, "_Item Information[.]xlsx$")
df3Name <- paste0("^T19_G", theLevel, "_Transform Constants[.]xlsx$")
df1File <- unique(list.files(timssDir, df1Name, full.names = TRUE, ignore.case = TRUE)) # if multiple files found, assume they are the same file but in different dirs
df2File <- unique(list.files(timssDir, df2Name, full.names = TRUE, ignore.case = TRUE))
df3File <- unique(list.files(timssDir, df3Name, full.names = TRUE, ignore.case = TRUE))
if (length(df1File) == 0 || length(df2File) == 0 || length(df3File) == 0) {
if (theLevel == 4) {
zips <- paste0(
". Download them here: ",
"https://timss2019.org/international-database/downloads/T19_G4_Item%20Information.zip", " and ",
"https://timss2019.org/international-database/downloads/T19_G4_IRT%20Item%20Parameters.zip"
)
} else {
zips <- paste0(
". Download them here: ",
"https://timss2019.org/international-database/downloads/T19_G8_Item%20Information.zip", " and ",
"https://timss2019.org/international-database/downloads/T19_G8_IRT%20Item%20Parameters.zip"
)
}
timssDirout <- timssDir
if ("2019" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
if ("TIMSS" == basename(timssDirout)) {
timssDirout <- dirname(timssDirout)
}
stop(paste0("Make sure ", df1Name, ", ", df2Name, ", and ", df3Name, " are downloaded in ", timssDir, zips, ". ", "Try running: downloadTIMSS('", timssDirout, "', '", theYear, "')"))
}
fixDF1 <- function(z, subject) {
res <- suppressMessages(read_excel(z, sheet = subject, progress = FALSE))
if (theYear == 2019 & "2015" %in% res[2, 4] & "RMSD" %in% res[1, 4]) {
res <- res[ , -4]
}
colnames(res) <- NA
return(res)
}
df1m <- do.call(rbind, lapply(df1File, fixDF1, subject = "MAT"))
df2m <- do.call(rbind, lapply(df2File, function(z) {
(suppressMessages(read_excel(z, sheet = "MAT", progress = FALSE)))
}))
df3m <- suppressMessages(read_excel(df3File[1], sheet = "MAT", progress = FALSE))
df1s <- do.call(rbind, lapply(df1File, fixDF1, subject = "SCI"))
df2s <- do.call(rbind, lapply(df2File, function(z) {
(suppressMessages(read_excel(z, sheet = "SCI", progress = FALSE)))
}))
df3s <- suppressMessages(read_excel(df3File[1], sheet = "SCI", progress = FALSE))
} else {
stop(paste0("Item parameters are currently not available for ", theYear, "."))
}
allParamsM <- timssParamForm(df1m, df2m, df3m, theYear, theLevel, "MAT")
allParamsS <- timssParamForm(df1s, df2s, df3s, theYear, theLevel, "SCI")
allParams <- list(
params = rbind(allParamsM$params, allParamsS$params),
transformations = rbind(allParamsM$transformations, allParamsS$transformations)
)
return(allParams)
}
timssParamForm <- function(itemParamDf, itemInfoDf, transConst, theYear, theLevel, subjectFilter) {
allParams <- list()
# clean
if (theYear %in% 2019) {
itemParamDf <- itemParamDf[3:nrow(itemParamDf), 3:ncol(itemParamDf)]
colnames(itemParamDf) <- c("Item ID", "", "a", "", "b", "", "c", "", "d1", "", "d2", "")
} else {
itemParamDf <- itemParamDf[3:nrow(itemParamDf), ]
colnames(itemParamDf) <- c("", "Item ID", "a", "", "b", "", "c", "", "d1", "", "d2", "")
}
itemParamDf <- itemParamDf[ , !colnames(itemParamDf) %in% ""]
itemParamDf <- itemParamDf[!is.na(itemParamDf$`Item ID`), ]
itemInfoDf <- itemInfoDf[ , c("Item ID", "Grade", "Subject", "Content Domain", "Cognitive Domain", "Maximum Points")]
# these did not merge, they will not be on this assessment
params <- merge(itemParamDf, itemInfoDf, by = "Item ID", all.x = TRUE)
# merge param and info together
params <- params[!params$"Cognitive Domain" %in% c("", NA), ]
params[is.na(params$Grade), "Grade"] <- unique(na.omit(params$Grade))
params[is.na(params$`Content Domain`), "Content Domain"] <- ""
params$Subject <- ifelse(subjectFilter == "MAT", "mmat", ifelse(subjectFilter == "SCI", "ssci", ""))
params$year <- as.numeric(theYear)
colnames(params) <- c(
"TIMSSid", "a", "b", "c", "d1", "d2", "level",
"subject", "content_subtest", "cognitive_subtest",
"scorePoints", "year"
)
# clean
params$TIMSSid <- tolower(params$TIMSSid)
colsNum <- c("a", "b", "c", "d1", "d2")
params[colsNum] <- sapply(params[colsNum], as.numeric)
params$content_subtest <- ifelse(params$content_subtest %in% c("Data Display","Data","Data and Probability","Data and Chance"), "mdat", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest %in% c("Geometric Shapes and Measures","Measurement and Geometry","Geometry"), "mgeo", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Number", "mnum", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Algebra", "malg", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Earth Science", "sear", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Life Science", "slif", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Biology", "sbio", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest == "Chemistry", "sche", params$content_subtest)
params$content_subtest <- ifelse(params$content_subtest %in% c("Physical Science","Physics"), "sphy", params$content_subtest)
prefix <- ifelse(subjectFilter == "MAT", "m", "s")
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Applying", paste0(prefix, "app"), params$cognitive_subtest)
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Knowing", paste0(prefix, "kno"), params$cognitive_subtest)
params$cognitive_subtest <- ifelse(params$cognitive_subtest == "Reasoning", paste0(prefix, "rea"), params$cognitive_subtest)
allParams$params <- params
# transformations
if (theYear == 2011) {
if (subjectFilter == "MAT") {
transformations <- transConst[3:7, 6:7]
transformations$subject <- "Mathematics"
} else { # SCI
transformations <- transConst[11:15, 6:7]
transformations$subject <- "Science"
}
} else { # 2015
transformations <- transConst[3:nrow(transConst), 6:7]
transformations$subject <- ifelse(subjectFilter == "MAT", "Mathematics", ifelse(subjectFilter == "SCI", "Science", ""))
}
colnames(transformations) <- c("location", "scale", "subject")
transformations$location <- as.numeric(transformations$location)
transformations$scale <- as.numeric(transformations$scale)
# year, grade
transformations$year <- theYear
transformations$level <- theLevel
params$subject <- ifelse(subjectFilter == "MAT", "mmat", ifelse(subjectFilter == "SCI", "ssci", ""))
allParams$transformations <- transformations
return(allParams)
}
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