Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

31 lines (26 sloc) 0.728 kb
#' Quick data frame.
#'
#' Experimental version of \code{\link{as.data.frame}} that converts a
#' list to a data frame, but doesn't do any checks to make sure it's a
#' valid format. Much faster.
#'
#' @param list list to convert to data frame
#' @keywords internal
#' @export
quickdf <- function(list) {
rows <- unique(unlist(lapply(list, NROW)))
stopifnot(length(rows) == 1)
names(list) <- make_names(list, "X")
class(list) <- "data.frame"
attr(list, "row.names") <- c(NA_integer_, -rows)
list
}
make_names <- function(x, prefix = "X") {
nm <- names(x)
if (is.null(nm)) {
nm <- rep.int("", length(x))
}
n <- sum(nm == "", na.rm = TRUE)
nm[nm == ""] <- paste(prefix, seq_len(n), sep = "")
nm
}
Jump to Line
Something went wrong with that request. Please try again.