Nothing
get.highest <- function(sort.frame) {
largest.value <- sort.frame[1, ]
output <- list(treatment = largest.value$variable,
es = largest.value$eta.sq,
total = largest.value$sample.size,
group.n = ceiling(largest.value$sample.size/max(sort.frame$lev)))
class(output) <- "highestClass"
return(output)
}
#' @export
print.highestClass <- function(x, ...) {
string.out <- sprintf("\nTreatment: %s\nEffect Size: %s\nTotal N: %d\nn per cell: %d\n\n",
x$treatment, x$es, x$total, x$group.n)
cat(string.out)
}
# Gets and prints all of the required sample sizes
get.all <- function(final.frame) {
group.n <- sapply(1:length(final.frame$variable), FUN = function(x) {
final.frame$sample.size[x]/max(final.frame$lev)
}
)
out.frame <- data.frame(final.frame, "n.group" = ceiling(group.n))
output <- data.frame("Treatment" = out.frame$variable,
"...Effect Size" = out.frame$eta.sq,
"...Total" = out.frame$sample.size,
"...n.per.cell" = out.frame$n.group)
return(output)
}
# Gets the data for result="select"
# The highest sample size and the results where the user
# input a numeric value for the effect size
get.select <- function(sort.frame) {
largest.value <- sort.frame[1, ]
es.list <- list("small", "med", "large")
frame.select <- data.frame()
for(i in 1:length(sort.frame$variable)) {
if(!(sort.frame$eta.sq[i] %in% es.list) & sort.frame$variable[i] != largest.value$variable) {
frame.select <- rbind.data.frame(frame.select, sort.frame[i, ], make.row.names = FALSE)
}
}
update.frame <- data.frame(rbind(frame.select, largest.value))
group.n <- sapply(1:length(update.frame$variable), FUN = function(x) {
update.frame$sample.size[x]/max(update.frame$lev)
}
)
out.frame <- data.frame("Treatment" = update.frame$variable,
"...Effect Size" = update.frame$eta.sq,
"...Total N" = update.frame$sample.size,
"...n.per.cell" = ceiling(group.n))
return(out.frame)
}
# Gets the data from the sample.oneway function
# Formats the data for output
get.oneway <- function(sample.size, name.iv) {
output <- list(treatment = name.iv,
es = sample.size$f,
total.n = ceiling(sample.size$n * sample.size$k),
group.n = ceiling(sample.size$n)
)
class(output) <- "oneway"
return(output)
}
#' @export
print.oneway <- function(x, ...) {
cat(sprintf("Effect size used in calculation: Cohen's f\n"))
cat(sprintf("Cutoffs: small = 0.10, med = 0.25, large = 0.40\n\n"))
cat(sprintf("Treatment: %s\nEffect Size (f): %1.3f\nTotal N: %d\nn per cell: %d\n\n",
x$treatment, x$es, x$total.n, x$group.n))
}
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