Aggregate category percentages in groups

Description

General function to aggregate percentage variables by creating a new variable holding the sum. If a variable with the name for the aggregate already exists, it is overwritten, giving a warning if it is changed, not NA, not zero and not named "peruncod".

Usage

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aggregate_pers(data, groups = v5_v4_aggregation_relations(), na.rm = FALSE,
  keep = FALSE, overwrite = names(groups))

Arguments

data

dataset to use in aggregation

groups

(named) list of variable name vectors to aggregate to a new one (as given in the name); see default value for an example of the format

na.rm

passed on to sum

keep

keep variables that were aggregated in result?

overwrite

Names of the variables that are allowed to be overwritten by aggregate. Defaults to all aggregate variable names. If a variable is overwritten, a message is issued in any case.

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