Nothing
make.predictorMatrix <- function(data, blocks = make.blocks(data)) {
data <- check.dataform(data)
predictorMatrix <- matrix(1, nrow = length(blocks), ncol = ncol(data))
dimnames(predictorMatrix) <- list(names(blocks), colnames(data))
for (i in row.names(predictorMatrix))
predictorMatrix[i, colnames(predictorMatrix) %in% i] <- 0
predictorMatrix
}
check.predictorMatrix <- function(predictorMatrix,
data,
blocks = NULL) {
data <- check.dataform(data)
if (!is.matrix(predictorMatrix))
stop("predictorMatrix not a matrix", call. = FALSE)
if (any(dim(predictorMatrix) == 0L))
stop("predictorMatrix has no rows or columns", call. = FALSE)
# if we have no blocks, restrict to square predictorMatrix
if (is.null(blocks)) {
if (nrow(predictorMatrix) != ncol(predictorMatrix))
stop(paste("If no blocks are specified, predictorMatrix must",
"have same number of rows and columns"),
call. = FALSE)
if (is.null(dimnames(predictorMatrix))) {
if (ncol(predictorMatrix) == ncol(data))
dimnames(predictorMatrix) <- list(colnames(data), colnames(data))
else
stop("Missing row/column names in predictorMatrix", call. = FALSE)
}
for (i in row.names(predictorMatrix))
predictorMatrix[i, grep(i, colnames(predictorMatrix), fixed = TRUE)] <- 0
return(predictorMatrix)
}
# check conforming arguments
if (nrow(predictorMatrix) > length(blocks))
stop(paste0("predictorMatrix has more rows (", nrow(predictorMatrix),
") than blocks (", length(blocks), ")"),
call. = FALSE)
# borrow rownames from blocks if needed
if (is.null(rownames(predictorMatrix)) &&
nrow(predictorMatrix) == length(blocks))
rownames(predictorMatrix) <- names(blocks)
if (is.null(rownames(predictorMatrix)))
stop("Unable to set row names of predictorMatrix", call. = FALSE)
# borrow blocknames from predictorMatrix if needed
if (is.null(names(blocks)) &&
nrow(predictorMatrix) == length(blocks))
names(blocks) <- rownames(predictorMatrix)
if (is.null(names(blocks)))
stop("Unable to set names of blocks", call. = FALSE)
# check existence of row names in blocks
found <- rownames(predictorMatrix) %in% names(blocks)
if (!all(found))
stop("Names not found in blocks: ",
paste(rownames(predictorMatrix)[!found], collapse = ", "),
call. = FALSE)
# borrow colnames from data if needed
if (is.null(colnames(predictorMatrix)) &&
ncol(predictorMatrix) == ncol(data))
colnames(predictorMatrix) <- names(data)
if (is.null(colnames(predictorMatrix)))
stop("Unable to set column names of predictorMatrix", call. = FALSE)
# check existence of variable names on data
found <- colnames(predictorMatrix) %in% names(data)
if (!all(found))
stop("Names not found in data: ",
paste(colnames(predictorMatrix)[!found], collapse = ", "),
call. = FALSE)
list(predictorMatrix = predictorMatrix,
blocks = blocks)
}
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