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Update pivot_wider() documentation #794

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Merged
merged 3 commits into from
Mar 29, 2022
Merged

Update pivot_wider() documentation #794

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8b55440
Update `pivot_wider()` documentation
mgirlich Mar 16, 2022
bc1ace7
Document reason why `pivot_wider()` cannot be lazy
mgirlich Mar 28, 2022
c0a74ed
Update R/verb-pivot-wider.R
mgirlich Mar 29, 2022
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4 changes: 4 additions & 0 deletions R/verb-pivot-wider.R
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Original file line number Diff line number Diff line change
@@ -1,10 +1,14 @@
#' Pivot data from long to wide
#'
#' @description
#' `pivot_wider()` "widens" data, increasing the number of columns and
#' decreasing the number of rows. The inverse transformation is
#' `pivot_longer()`.
#' Learn more in `vignette("pivot", "tidyr")`.
#'
#' Note that `pivot_wider()` is not and cannot be lazy because we need to look
#' at the data to figure out what the new column names will be.
#'
#' @details
#' The big difference to `pivot_wider()` for local data frames is that
#' `values_fn` must not be `NULL`. By default it is `max()` which yields
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2 changes: 2 additions & 0 deletions man/pivot_wider.tbl_lazy.Rd
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