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Add [ method for grouped_df #4708

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hadley opened this issue Jan 7, 2020 · 0 comments

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feature grouping 👨‍👩‍👧‍👦

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hadley commented Jan 7, 2020

`[.grouped_df` <- function(x, i, j, drop = FALSE) {
   out <- NextMethod()
   groups <- intersect(names(out), dplyr::group_vars(x))

   if (length(groups)) {
     dplyr::grouped_df(out, groups)
   } else {
     dplyr::tbl_df(out)
   }
 }

Related to #4004

hadley added feature grouping 👨‍👩‍👧‍👦 labels

hadley added a commit that referenced this issue


          Drop groups when subsetting

713c61e

Fixes #4708

hadley closed this as completed in

1599df5

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