View source: R/fill_functions.R
fill_by_function | R Documentation |
For each specified column in x
replace the missing values by a
function of the nonmissing values.
fill_by_function(x, ..., fun = mean)
x |
A data frame. |
... |
The unquoted column names of the variables that should be filled. |
fun |
The function to apply on the nonmissing values. |
x
with the altered columns.
library(dplyr) # for the pipe operator 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)
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