groupby_rank: Helper for group_by |> mutate(rankID) |> filter(rankID)

In MARC-KC/marcR: Helpful Functions Used By The MARC-GIS Team

Helper for group_by |> mutate(rankID) |> filter(rankID)

Description

Usage

groupby_rank(
  .data,
  ...,
  rankby,
  rankDesc = TRUE,
  filterIDs = NULL,
  removeRankCol = TRUE,
  doUngroup = TRUE
)

Arguments

.data	data.frame/tibble
...	group_by fields passed to group_by
rankby	what column to rank by as character
rankDesc	descending rank? TRUE/FALSE
filterIDs	what rankID's to filter out. Default NULL
removeRankCol	Remove rank column? TRUE/FALSE. Only used if filtering
doUngroup	Ungroup the data? TRUE/FALSE

Details

Uses a dense rank to mimic Microsoft T-SQL rank

Value

tibble

Creation notes

First created in 2020-12-11 while working in the MARC-KC/CovidDataEntry Repository

Examples

## Not run: 
groupby_rank(iris, Species, rankby = "Sepal.Length", rankDesc = TRUE, filterIDs = 1)

## End(Not run)

MARC-KC/marcR documentation built on June 2, 2022, 9:31 p.m.