### Subversion checkout URL

You can clone with HTTPS or Subversion.

Fetching contributors…

Cannot retrieve contributors at this time

file 69 lines (61 sloc) 1.944 kb
 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 \name{laply}\alias{laply}\title{Split list, apply function, and return results in an array.}\usage{  laply(.data, .fun = NULL, ..., .progress = "none",    .drop = TRUE, .parallel = FALSE)}\arguments{  \item{.fun}{function to apply to each piece}  \item{...}{other arguments passed on to \code{.fun}}  \item{.progress}{name of the progress bar to use, see  \code{\link{create_progress_bar}}}  \item{.data}{list to be processed}  \item{.parallel}{if \code{TRUE}, apply function in  parallel, using parallel backend provided by foreach}  \item{.drop}{should extra dimensions of length 1 in the  output be dropped, simplifying the output. Defaults to  \code{TRUE}}}\value{  if results are atomic with same type and dimensionality,  a vector, matrix or array; otherwise, a list-array (a  list with dimensions)}\description{  For each element of a list, apply function then combine  results into an array. \code{laply} is similar in spirit  to \code{\link{sapply}} except that it will always return  an array, and the output is transposed with respect  \code{sapply} - each element of the list corresponds to a  column, not a row.}\section{Input}{  This function splits lists by elements and combines the  result into a data frame.}\section{Output}{  If there are no results, then this function will return a  vector of length 0 (\code{vector()}).}\examples{laply(baseball, is.factor)# cfldply(baseball, is.factor)colwise(is.factor)(baseball)laply(seq_len(10), identity)laply(seq_len(10), rep, times = 4)laply(seq_len(10), matrix, nrow = 2, ncol = 2)}\references{  Hadley Wickham (2011). The Split-Apply-Combine Strategy  for Data Analysis. Journal of Statistical Software,  40(1), 1-29. \url{http://www.jstatsoft.org/v40/i01/}.}\seealso{  Other array output: \code{\link{aaply}},  \code{\link{daply}}  Other list input: \code{\link{ldply}},  \code{\link{llply}}}\keyword{manip}
Something went wrong with that request. Please try again.