padr (version 0.7.0)

fill_by_function: Fill missing values by a function of the nonmissings

Description

For each specified column in x replace the missing values by a function of the nonmissing values.

Usage

fill_by_function(x, ..., fun = mean)

Value

x with the altered columns.

Arguments

x

A data frame.

...

The unquoted column names of the variables that should be filled.

fun

The function to apply on the nonmissing values.

Examples

x <- seq(as.Date("2016-01-01"), by = "day", length.out = 366)
x <- x[sample(1:366, 200)] |> sort()
x_df <- data.frame(
  x = x,
  y1 = runif(200, 10, 20) |> round(),
  y2 = runif(200, 1, 50) |> round()
)
x_df |>
  pad() |>
  fill_by_function(y1, y2)
x_df |>
  pad() |>
  fill_by_function(y1, y2, fun = median)