ipv_long_to_wide

Helper function to convert long format data into appropriate wide format for
ipv_est

Generate plots based on the Item Pool Visualization concept for
latent constructs. Item Pool Visualizations are used to display the
conceptual structure of a set of items (self-report or psychometric).
Dantlgraber, Stieger, & Reips (2019) <doi:10.1177/2059799119884283>.

Nils Petras

Item Pool Visualization

Michael Dantlgraber

Ulf-Dietrich Reips

Matthias Bannert

ipv_long_to_wide function

<dl><dt>x</dt>
<dd>data frame; raw data in long format</dd>
<dt>id</dt>
<dd>character; name of case identifying variable</dd>
<dt>value.var</dt>
<dd>character; name of variable that contains measurement values</dd></dl>

Arguments

IPV long to wide — ipv_long_to_wide

<dl>

<dt>x</dt>
<dd>data frame; raw data in long format</dd>


<dt>id</dt>
<dd>character; name of case identifying variable</dd>


<dt>value.var</dt>
<dd>character; name of variable that contains measurement values</dd>

</dl>

ipv_long_to_wide: IPV long to wide

Description

Usage

Arguments