psych (version 1.6.12)

Harman.5: 5 socio-economic variables from Harman (1967)

Description

Harman (1967) uses 5 socio-economic variables for demonstrations of principal components and factor analysis. This example is used in the SAS manual for Proc Factor as well.

Usage

data(Harman.5)

Format

A data frame with 12 observations on the following 5 variables.

Source

Harman, Harry Horace (1967), Modern factor analysis. Chicago, University of Chicago Press.

Details

Harman reports that the data "were taken (not entirely arbitrarily) from a study of the Los Angeles Standard Metropolitan Statistical Area. The twelve individuals are used in the examples are census tracts." (p 13).

References

SAS users manual, chapter 26: pages 1123-1192

Examples

data(Harman.5)
if(require('GPArotation')){
pc2 <- principal(Harman.5,2,scores=TRUE)
pc2$residual
biplot(pc2,main="Biplot of the Harman 5 socio-demographic variables") }