rmsd

The formula for RMSD is:
$$RMSD = \sqrt{\frac{\sum_{i = 1}^n(\hat \theta - \theta)^2}{n}}$$

internal

A collection of Item Response Theory (IRT) and Computerized
Adaptive Testing (CAT) functions that are used in psychometrics.

<dl><dt>est</dt>
<dd>A numeric vector of estimated values</dd>
<dt>true</dt>
<dd>A numeric vector of true values</dd></dl>

<dl>

<dt>est</dt>
<dd>A numeric vector of estimated values</dd>


<dt>true</dt>
<dd>A numeric vector of true values</dd>

</dl>