count_na: Count the number of NAs in each row or in each column

In ryouready: Companion to the Forthcoming Book - R you Ready?

Description

Count the number of NAs in each row or in each column

Usage

count_na(x, along = 1)

Arguments

x	A dataframe or matrix.
along	Along which dimension to count the NAs in (1 = rows, 2=columns).

Value

A vector givning the number of NAs for each row or column.

Examples

x <- d.ngo

# count NAs row-wise across all variables
count_na(x)

# count NAs column-wise
count_na(x, along=2)

Example output

  [1] 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 [38] 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
 [75] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
[112] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
[149] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
[186] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
[223] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
    idnr jahrgang   geschl stunzahl  hausauf abschalt leistung begabung 
       0        0        0        0        0        4        0        0 
  urteil englisch  deutsch    mathe     zeng zdeutsch   zmathe    index 
       0        0        0        0        0        0        0        0 
   leist 
       0 

ryouready documentation built on May 1, 2019, 8:39 p.m.