Nothing
argumentChecks = function (dataMr, fileMr, header, colNames, obsPerBlock) {
if (is.null(fileMr) && is.null(dataMr)) {
stop("Please specify either fileMr or dataMr.",
call. = FALSE)
}
if (!is.null(fileMr) && !is.null(dataMr)) {
stop("Both fileMr and dataMr given. Please specify only one of them.",
call. = FALSE)
}
if (!is.null(dataMr) && !is.data.frame(dataMr) ) {
stop("dataMr must inherit from class data.frame.", call. = FALSE)
}
if (!is.logical(header)) {
stop("Argument header must be logical.", call. = FALSE)
}
if (!is.null(colNames)) {
if (!is.character(colNames)) {
stop("Argument colNames must be a character vector of strings.",
call. = FALSE)
}
}
if (!is.numeric(obsPerBlock)) {
stop("Argument obsPerBlock must be of class numeric or integer.", call. = FALSE)
}
if (obsPerBlock %% 1 != 0) {
stop("Argument obsPerBlock must be a whole number.", call. = FALSE)
}
}
errorMessageObsPerBlock = function (p, obsPerBlock) {
if (p >= obsPerBlock) {
stop("Number of regression coefficients is larger than or equal to the number of observations in each block.",
call. = FALSE)
}
}
warningMessageObsPerBlock = function (p, n, approach) {
if (p > n) {
warntext = ifelse(approach == '2',
sprintf("Fewer observations than coefficients in last block. Last block with %s observations is not included in model.",
n),
sprintf("Singular fit encountered in last block. Last block with %s observations is not included in model.",
n))
warning(warntext, call. = FALSE)
return(TRUE)
}
if (p == n) {
warning(sprintf("Number of regression coefficients is equal to number of observations in last block. Last block with %s observations is not included in model.",
n), call. = FALSE)
return(TRUE)
}
return(FALSE)
}
warningMessageObsPerVariable = function (p, obsPerBlock, approach) {
if ((obsPerBlock / p <= 25) && approach != "3") {
warning("Number of observations per regression coefficient <= 25 in all blocks. Models could be unreliable.",
call. = FALSE)
}
}
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