na_count

na_count.data.frame

na_count.default

An object, either a vector or a data.frame

columns

Provides wrapper functions for running classification and
regression tests using different machine learning techniques, such as Random
Forests and decision trees. The package provides standardized methods for
preparing data to suit the algorithm's needs, training a model, making
predictions, and evaluating results. Also, some functions are provided to run
multiple instances of a test.

Sjoerd van der Spoel

crtests

Classification and Regression Tests

na_count function

<ul>
<li> <code>data.frame</code>: 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. </li>
<li> <code>default</code>: Calls <code><a rd-options="" href="/link/na.omit?package=crtests&version=0.2.1" data-mini-rdoc="crtests::na.omit">na.omit</a></code> on <code>x</code>, and returns the length of the result. This is only meaningful for one-dimensional objects (vectors).
</li>
</ul>

na_count: Count the number of NAs in an object

Description

Usage

Arguments

Methods (by class)