showNAs: Shows the extent of NAs in a data frame

In kikapp/kikapputils: Frequently Used Functions (one line, title case)

Description

Shows the extent of NAs in a data frame

Usage

showNAs(df, missing_strings = c("MISSING", "missing", ""))

Arguments

df	a data frame whose missingness is a mystery
missing_strings	an array of characters indicating which strings correspond to missing values

Value

a data frame containing count and proportion missing for each variable in the_only_argument_is_a_data_frame

Examples

> showNAs(ChickWeight)
     var NA_count NA_mean
1 weight        0       0
2   Time        0       0
3  Chick        0       0
4   Diet        0       0

> ChickWeightNA <- ChickWeight
> ChickWeightNA$weight[1:300] <- NA
> ChickWeightNA$Time <- NA
> showNAs(ChickWeightNA)
     var NA_count   NA_mean
1 weight      300 0.5190311
2   Time      578 1.0000000
3  Chick        0 0.0000000
4   Diet        0 0.0000000

kikapp/kikapputils documentation built on May 24, 2021, 10:41 p.m.