View source: R/glist-functions.R
make_glist | R Documentation |
make a grouping list
make_glist(x, ref = NULL, max.levels = 25)
x |
object |
ref |
reference, a data frame to get |
max.levels |
if the number of groups exceed this level stop. |
description tables with grouping requires a list of indexes to group on. Often this should be equivalent to categorization according to some grouping variable. If so, the 'glist' needed can be created by either specifying that variable or the name of that variable in data source 'ref'.
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