/C++/Round all columns in R dataframe to 3 digits

Round all columns in R dataframe to 3 digits

round_df <- function(x, digits) {
    # round all numeric variables
    # x: data frame 
    # digits: number of digits to round
    numeric_columns <- sapply(x, mode) == 'numeric'
    x[numeric_columns] <-  round(x[numeric_columns], digits)
    x
}

round_df(data, 3)

Source: stackoverflow.com

How to round all numeric column types in r

library(dplyr)
df %>% 
 mutate_if(is.numeric, round)

-1

Source: stackoverflow.com

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