View source: R/miscellaneous.R
unfold_idx | R Documentation |
fold_idx
takes a dfidx
object, includes the indexes as stand
alone columns, remove the idx
column and return a data frame,
with an ids
attribute that contains the informations about the
indexes. fold_idx
performs the opposite operation.
unfold_idx(x)
fold_idx(x, pkg = NULL, sort = FALSE)
x |
a |
pkg |
if not |
sort |
a boolean, whether the resulting |
a data frame for the unfold_dfidx
function, a dfidx
object for the fold_dfidx
function
Yves Croissant
mn <- dfidx(munnell, idx = c(region = "state", "year"), position = 3, name = "index")
mn2 <- unfold_idx(mn)
attr(mn, "ids")
mn3 <- fold_idx(mn2)
identical(mn, mn3)
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