uncount: "Uncount" a data frame

In hadley/tidyr: Tidy Messy Data

"Uncount" a data frame

Description

Performs the opposite operation to dplyr::count(), duplicating rows according to a weighting variable (or expression).

Usage

uncount(data, weights, ..., .remove = TRUE, .id = NULL)

Arguments

data	A data frame, tibble, or grouped tibble.
weights	A vector of weights. Evaluated in the context of data; supports quasiquotation.
...	Additional arguments passed on to methods.
.remove	If TRUE, and weights is the name of a column in data, then this column is removed.
.id	Supply a string to create a new variable which gives a unique identifier for each created row.

Examples

df <- tibble(x = c("a", "b"), n = c(1, 2))
uncount(df, n)
uncount(df, n, .id = "id")

# You can also use constants
uncount(df, 2)

# Or expressions
uncount(df, 2 / n)

hadley/tidyr documentation built on Feb. 3, 2024, 10:45 a.m.