achievement

The data set contains psychological measures and academic achievements of 600 college freshmen. This is a classic example data set in multivariate analysis. The data consists of three psychological variables: locus of control, self concept and motivation; four acadamic variables: read, write, math, science and the demographic variables: female.

datasets

Routines for the graphical representation of correlation matrices by means of correlograms, MDS maps and biplots obtained by PCA, PFA or WALS (weighted alternating least squares); See Graffelman & De Leeuw (2023) <doi: 10.1080/00031305.2023.2186952>.

Jan Graffelman

Correlplot

A Collection of Functions for Graphing Correlation Matrices

Jan De Leeuw

achievement function

A data frame with 600 observations on the following 8 variables.<dl>
 <dt><code>locus</code></dt>
<dd>Locus of control</dd> <dt><code>self</code></dt>
<dd>Self concept</dd> <dt><code>motivation</code></dt>
<dd>Motivation</dd> <dt><code>read</code></dt>
<dd>Standarized test score</dd> <dt><code>write</code></dt>
<dd>Standarized test score</dd> <dt><code>math</code></dt>
<dd>Standarized test score</dd> <dt><code>science</code></dt>
<dd>Standarized test score</dd> <dt><code>female</code></dt>
<dd>Gender indicator (1=female,0=male)</dd> 
</dl>

Format

Psychological Variables and Academic Performance — achievement

A data frame with 600 observations on the following 8 variables.<dl>
 <dt><code>locus</code></dt>
<dd>Locus of control</dd>

 <dt><code>self</code></dt>
<dd>Self concept</dd>

 <dt><code>motivation</code></dt>
<dd>Motivation</dd>

 <dt><code>read</code></dt>
<dd>Standarized test score</dd>

 <dt><code>write</code></dt>
<dd>Standarized test score</dd>

 <dt><code>math</code></dt>
<dd>Standarized test score</dd>

 <dt><code>science</code></dt>
<dd>Standarized test score</dd>

 <dt><code>female</code></dt>
<dd>Gender indicator (1=female,0=male)</dd>

 
</dl>

achievement: Psychological Variables and Academic Performance

Description

Usage

Arguments

Format

Examples