Howto7.md

title	Multiple Groups
author	Keon-Woong Moon
output	html_document

In this chapter, I will show you how to perform multiple group analysis.

Select Data and Edit Structural Equation

Please select the Confirmatory Factor Analysis among the Select Example selectInput. This selection will set the data to HolzingerSwineford1939(arrow) and make the structural equation as follows(arrow).

visual  =~ x1 + x2 + x3 
textual =~ x4 + x5 + x6
speed   =~ x7 + x8 + x9

Select group option

Among the Analysis/Summary Options, please select school as a group variable(1). Press do Analysis button(arrow).

Results of Analysis(1)

You can get the results of analysis followed by results for group 1 and group 2 seperately.

Results of Analysis(2)

Results of Analysis(3)

Plots for Multiple Groups

You can also get the resultant plots separately(In this example, you will be able to get 2 plots).

Measurement Invariance

If you are interested in testing the measurement invariance of a CFA model across several groups, select the measurementInvariance checkbox and press the do Analysis button.

You can get the results of measurementInvariance function of semTools package.