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

Harman.5 {psych} | R Documentation

## 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.

`population`

  a numeric vector

`schooling`

  a numeric vector

`employment`

  a numeric vector

`professional`

  a numeric vector

`housevalue`

  a numeric vector

### 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).

### Source

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

### 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") }

[Package psych version 1.7.3.21 Index]