group {IFC} | R Documentation |
Groups Combination
Description
Combines data.frame groups into a unique one
Usage
group(df, collapse = ".", keepNAlevels = FALSE, ...)
Arguments
df |
a data.frame whose columns represent grouping factor. |
collapse |
a string used to collapse groups levels. |
keepNAlevels |
whether to keep NA levels resulting from groups merging |
... |
other arguments to be passed. |
Value
a named list containing row indices of grouping combinations.
[Package IFC version 0.2.1 Index]