na_count: Count the number of NAs in an object

In sjoerdvds/crtests: Classification and Regression Tests

Description

Count the number of NAs in an object

Usage

na_count(x, ...)

## S3 method for class 'data.frame'
na_count(x, columns = c(), ...)

## Default S3 method:
na_count(x, ...)

Arguments

x	An object, either a vector or a data.frame
...	Extra arguments to na_count
columns	Vector of column names

Methods (by class)

• data.frame: If columns are specified, returns the maximum of the count of NAs for those columns. Otherwise, it returns the number of rows that have a NA in any column.

• default: Calls na.omit on x, and returns the length of the result. This is only meaningful for one-dimensional objects (vectors).

sjoerdvds/crtests documentation built on May 30, 2019, 12:05 a.m.