anscombeplus {lmreg}

Six data sets with similar regression summary

Description

Six synthetic data sets with similar regression summary, for illustrating the importance of regression diagnostics.

Usage

data(anscombeplus)

Format

A data frame with 20 observations on 8 synthetic real-valued variables, labelled as x1, y1, y2, y3, y4, y5, x2, y6.

x1

Explanatory variable of first five data sets

y1

Response variable of first data set

y2

Response variable of second data set

y3

Response variable of third data set

y4

Response variable of fourth data set

y5

Response variable of fifth data set

x2

Explanatory variable of sixth data set

y6

Response variable of sixth data set

Details

This data set is presented by Sengupta and Jammalamadaka (2019), after expanding on the ideas of Anscombe (1973)

Source

Anscombe, F.J. (1973), Graphs in statistical analysis, American Statistician, vol.27, pp.17-21.

Sengupta and Jammalamadaka (2019), Linear Models and Regression with R: An Integrated Approach, World Scientific Publishing Co., Table 5.1.

Examples

data(anscombeplus)
head(anscombeplus)