grades

The data consists of the test results of 220 boys in the 6 school
subjects:  
  <ul><li>Gaelic,</li><li>English,</li><li>history,</li><li>arithmetic,</li><li>algebra,</li><li>geometry.</li></ul>

datasets

This package provides routines to perform SIN model
        selection as described in Drton & Perlman (2004, 2008).  The
        selected models are represented in the format of the 'ggm'
        package, which allows in particular parameter estimation in the
        selected model.

Mathias Drton

A SINful Approach to Selection of Gaussian Graphical Markov
        Models

grades function

A list providing a summary of the data. The list contains:
  <tabular>lcl</tabular>{
    <code>grades$means</code> 	: 	the mean vector,<code>grades$stddev</code>   	: 	the vector of standard deviations,<code>grades$corr</code> 	: 	the correlation matrix, and <code>grades$n</code>    	: 	the sample size.
  }

format

Whittaker, J. (1990) <em>Graphical models in applied
    multivariate statistics</em>. Chichester: Wiley. (See p.266).

grades: School Grades

Description

Usage

Arguments

format

source

Examples