mutate_na

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Replace column values with <code>NA</code>s.

A set of functions to create random Analysis Data Model
(ADaM) datasets and cached dataset.  ADaM dataset specifications are
described by the Clinical Data Interchange Standards Consortium
(CDISC) Analysis Data Model Team.

Joe Zhu

random.cdisc.data

Create Random ADaM Datasets

mutate_na function

<dl><dt>ds</dt>
<dd>(<code>data.frame</code>) Any data set.</dd>
<dt>na_vars</dt>
<dd>(<code>list</code>) A named list where the name of each element is a column name of <code>ds</code>. Each
element of this list should be a numeric vector with two elements:<ul>
<li><code>seed</code> (<code>numeric</code>) The seed to be used for this element - can be <code>NA</code>.</li>
<li><code>percentage</code> (<code>proportion</code>) Percentage of elements to be replaced with <code>NA</code>.
If <code>NA</code>, <code>na_percentage</code> is used as a default.</li>
</ul></dd>
<dt>na_percentage</dt>
<dd>(<code>proportion</code>) Default percentage of values to be replaced by <code>NA</code>.</dd></dl>

Arguments

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Replace column values with <code>NA</code>s.

Replace Values with NA — mutate_na

<dl>

<dt>ds</dt>
<dd>(<code>data.frame</code>) Any data set.</dd>


<dt>na_vars</dt>
<dd>(<code>list</code>) A named list where the name of each element is a column name of <code>ds</code>. Each
element of this list should be a numeric vector with two elements:<ul>
<li><code>seed</code> (<code>numeric</code>) The seed to be used for this element - can be <code>NA</code>.</li>
<li><code>percentage</code> (<code>proportion</code>) Percentage of elements to be replaced with <code>NA</code>.
If <code>NA</code>, <code>na_percentage</code> is used as a default.</li>
</ul></dd>


<dt>na_percentage</dt>
<dd>(<code>proportion</code>) Default percentage of values to be replaced by <code>NA</code>.</dd>

</dl>

mutate_na: Replace Values with NA

Description

Usage

Value

Arguments