# Come to_px ma con l'aggiunta di un paio di DATASYMBOL...
# Argomenti:
# .cube: il data frame con il cubo di dati in formato semi-tidy (con la misura in colonna)
# vars: vettore character con i nomi delle variabili che ci sono in riga
# measure_var: vettore character con i nomi delle modalità della variabile in colonna
# che contiene le misure (i nomi delle misure, insomma)
# measure_name: nome che si vuole dare alla variabile delle misure ("misura"
# può andare bene)
# symbols = c("X", "..."): due stringhe che corrispondono a DATASYMBOL2 e DATASYMBOL3
# dei dati del cubo px...
#' @rdname to_px
#' @inheritParams to_px
#' @param .symbols character vector with the 'special' symbols for 2 and 3 dots in the px file
#' @param TITLE title of the data cube (default: "Title unknown")
#' @param PRECISION character vector with in the form c("measure_name", "measure") if a certain measure has to be shown with decimals values (default = NULL). Experimental
#' @param info name of the column with information on how missing values have to be treated (default: "info")
#' @param SHOWDECIMALS default number of decimals to show (default = 0)
#'
#' @examples
#' # to_px2 considers 2 types of 'special' data (missing or other). This information
#' # is retrieved from the 'info' column of the data cube.
#' table(c09C$info)
#' c09C_px2 <- to_px2(.cube = c09C,
#' vars = colnames(c09C)[1:4],
#' measure_vars = colnames(c09C)[5:10],
#' measure_name = "misura")
#'
#' head(c09C_px2, n = 50)
#'
#' @export
to_px2 <- function(.cube, vars, measure_vars, measure_name = NULL,
.symbols = c("X", "...", "()"), TITLE = "Title unknown",
PRECISION = NULL, SHOWDECIMALS = 0, info = "info"){
livelli_variabili <- lapply(.cube[ , rev(vars)], function(x) as.character(unique(x)))
# 1. Creazione STUB
s01 <- add_quotes(vars)
s02 <- riduci_virgole(s01)
STUB <- paste0("STUB=", s02, ";")
# 2. Creazione HEADING
if(is.null(measure_name)){
HEADING <- NULL
}else{
h01 <- add_quotes(measure_name)
HEADING <- paste0("HEADING=", h01, ";")
}
# 3. Creazione VALUES
v01 <- lapply(livelli_variabili, add_quotes)
v02 <- lapply(v01, riduci_virgole)
if(is.null(measure_name)){
v03 <- NULL
}else{
v03 <- paste0("VALUES(", add_quotes(measure_name), ")=",
riduci_virgole(add_quotes(measure_vars)), ";")
}
v04 <- lapply(rev(vars), add_quotes)
VALUES <- paste0("VALUES(", v04, ")=", v02, ";")
VALUES <- c(v03, VALUES)
if(is.null(PRECISION)){
PRECISION <- NULL
}else{
# PRECISION = c("misura", "ETP")
PRECISION <- paste(add_quotes(PRECISION), collapse = ", ")
PRECISION <- paste0("PRECISION(", PRECISION, ")=4;")
}
# 4. Creazione DATA
DATA <- .cube[ , measure_vars, drop = FALSE]
info <- .cube[[info]] # colonna 'info' del cubo in formato semi-tidy
k_X <- info == .symbols[1]
k_dots <- info == .symbols[2]
DATA[k_X, ] <- "\"..\""
DATA[k_dots, ] <- "\"...\""
# DATA[] <- lapply(DATA, round)
DATA <- Reduce(paste, DATA)
# DATA <- gsub("NA", "\"..\"", DATA)
DATA <- c("DATA=", DATA, ";")
# 4.1 DATASYMBOL2 e DATASYMBOL3
DATASYMBOL2 <- paste0("DATASYMBOL2=", add_quotes(.symbols[1]), ";")
DATASYMBOL3 <- paste0("DATASYMBOL3=", add_quotes(.symbols[2]), ";")
# 4.2 Eventuali DATANOTECELL e DATASYMBOL5
k_par <- which(info == .symbols[3])
if(length(k_par) == 0L){
DATANOTECELLS <- NULL
DATASYMBOL5 <- NULL
}else{
DATANOTECELLS_data <- .cube[k_par, c(vars, measure_name), drop = FALSE]
DATANOTECELLS <- vector(mode = "character", length = length(k_par))
# Provo con una DATANOTECELL
DATANOTECELLS_data[] <- lapply(DATANOTECELLS_data, as.character)
for(i in seq_along(DATANOTECELLS)){
DATANOTECELLS[i] <- paste0("DATANOTECELL(",
riduci_virgole(add_quotes(DATANOTECELLS_data[i, ])),
")=", add_quotes(.symbols[3]), ";")
}
DATASYMBOL5 <- paste0("DATASYMBOL5=", add_quotes(.symbols[3]), ";")
}
# 5. Assemblamento 1-4. più le keywords "fisse" (per il momento)
# in un vettore character che in pratica costituisce il file
# .px
creation_date <- gsub(pattern = "-", replacement = "", x = Sys.time())
creation_date <- substr(creation_date, 1, 14)
last_updated <- gsub(pattern = "-", replacement = "", x = Sys.time())
TITLE <- add_quotes(TITLE)
TITLE <- paste0(TITLE, ";")
keywords01 <- c("CHARSET=\"ANSI\";", "AXIS-VERSION=\"2000\";",
paste0("CREATION-DATE=\"", creation_date, "\";"),
"DECIMALS=11;", paste0("SHOWDECIMALS=", SHOWDECIMALS, ";"),
"MATRIX=\"file000\";",
"SUBJECT-CODE=\"xx\";",
"SUBJECT-AREA=\"unknown\";",
paste0("TITLE=", TITLE),
"CONTENTS=\"unknown\";",
"UNITS=\"unknown\";")
keywords02 <- c(paste0("LAST-UPDATED=\"", last_updated, "\";"),
"INFO=\"File generated using R\";")
res <- c(
keywords01,
STUB,
HEADING,
VALUES,
PRECISION,
keywords02,
DATASYMBOL2,
DATASYMBOL3,
DATASYMBOL5,
DATANOTECELLS,
DATA
)
res
}
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