jam_rapply: Jam-specific recursive apply

In jamba: Just Analysis Methods Base

Jam-specific recursive apply

Description

Jam-specific recursive apply

Usage

jam_rapply(x, FUN, how = c("unlist", "list"), ...)

Arguments

x	list
FUN	function to be called on non-list elements in x.
how	character string indicating whether to return the list or whether to call unlist() on the result.
...	additional arguments are passed to FUN.

Details

This function is a very lightweight customization to base::rapply(), specifically that it does not remove NULL entries.

Value

vector or list based upon argument how.

See Also

Other jam list functions: cPaste(), heads(), list2df(), mergeAllXY(), mixedSorts(), rbindList(), relist_named(), rlengths(), sclass(), sdim(), uniques(), unnestList()

Examples

L <- list(entryA=c("miR-112", "miR-12", "miR-112"),
   entryB=factor(c("A","B","A","B"),
      levels=c("B","A")),
   entryC=factor(c("C","A","B","B","C"),
      levels=c("A","B","C")),
   entryNULL=NULL)
rapply(L, length)
jam_rapply(L, length)

L0 <- list(A=1:3, B=list(C=1:3, D=4:5, E=NULL));
rapply(L0, length)
jam_rapply(L0, length)

jamba documentation built on April 4, 2025, 5:14 a.m.