>vars</var> to the specified data type.
</p>
<p><var class="var">vars</var> is a cellstr or numeric vector specifying which variables to convert.
</p>
<p><var class="var">dataType</var> specifies the data type to convert those variables to. It is either
a char holding the name of the data type, or a function handle which will
perform the conversion. If it is the name of the data type, there must
either be a one-arg constructor of that type which accepts the specified
variables&rsquo; current types as input,