a_ply(.data, .margins, .fun, ..., .progress="none", .print=FALSE)
data
by. 1 splits up by rows, 2 by columns and c(1,2) by rows and columns, and so on for higher dimensions.fun
create_progress_bar
FALSE
).fun
to each piece,
and then combine the pieces into a single data structure. This
function splits matrices, arrays and data frames by dimensions and
discards the output. This is useful for functions that you are
calling purely for their side effects like display plots and saving
output.