gew {VGAM}R Documentation

General Electric and Westinghouse Data

Description

General Electric and Westinghouse capital data.

Usage

data(gew)

Format

A data frame with 20 observations on the following 6 variables.

y1
a numeric vector which may be regarded as investment figures for the two companies
x1
market values
x2
capital stocks
y2
a numeric vector which may be regarded as investment figures for the two companies
x3
market values
x4
capital stocks

Details

The period is 1934 to 1953.

Source

Unknown.

References

Zellner, A. (1962) An efficient method of estimating seemingly unrelated regressions and tests for aggregation bias. Journal of the American Statistical Association, 57, 348–368.

Examples

data(gew)
str(gew)

[Package VGAM version 0.7-7 Index]