rows_with_na: Only keep rows that contain NA

In DesiQuintans/desiderata: Assorted utility functions

Only keep rows that contain NA

Description

It is sometimes useful to look at rows of a dataframe where a value is missing. For example, you may want to see why a function returns NA in some rows and not others.

Usage

rows_with_na(df)

Arguments

df	(Dataframe) The dataframe

Value

A dataframe with the same number of columns as df, but the only rows it has are rows that have at least 1 NA value.

Authors

• Desi Quintans (http://www.desiquintans.com)

Examples

na_starwars <- rows_with_na(dplyr::starwars)
dplyr::glimpse(na_starwars)

#> Observations: 58
#> Variables: 13
#> $ name       <chr> "C-3PO", "R2-D2", "R5-D4", "Wilhuff Tarkin", "Greedo",...
#> $ height     <int> 167, 96, 97, 180, 173, 175, 180, 66, 200, 150, NA, 160...
#> $ mass       <dbl> 75, 32, 32, NA, 74, 1358, 110, 17, 140, NA, NA, 68, 89...
#> $ hair_color <chr> NA, NA, NA, "auburn, grey", NA, NA, "brown", "white", ...
#> $ skin_color <chr> "gold", "white, blue", "white, red", "fair", "green", ...
#> $ eye_color  <chr> "yellow", "red", "red", "blue", "black", "orange", "bl...
#> $ birth_year <dbl> 112, 33, NA, 64, 44, 600, NA, 896, 15, 48, NA, NA, 92,...
#> $ gender     <chr> NA, NA, NA, "male", "male", "hermaphrodite", "male", "...
#> $ homeworld  <chr> "Tatooine", "Naboo", "Tatooine", "Eriadu", "Rodia", "N...
#> $ species    <chr> "Droid", "Droid", "Droid", "Human", "Rodian", "Hutt", ...
#> $ films      <list> [<"Attack of the Clones", "The Phantom Menace", "Reve...
#> $ vehicles   <list> [<>, <>, <>, <>, <>, <>, <>, <>, <>, <>, <>, <>, "Tri...
#> $ starships  <list> [<>, <>, <>, <>, <>, <>, "X-wing", <>, <>, <>, "A-win...

DesiQuintans/desiderata documentation built on April 9, 2023, 5:43 a.m.