datana (version 1.1.0)

aboutrsq: About the R-Squared statistics: the Anscombe quartet dataset

Description

A dataset that contains four pairs of columns with the same descriptive statistics; however, there is a difference when representing the points through a graph.

Usage

data(aboutrsq)

Format

The data frame contains four variables as follows:

X1

Integers values that represent X-axis for Y1, Y2 and Y3 column

Y1

Float values that represent Y-axis for X1 column

Y2

Float values that represent Y-axis for X1 column

Y3

Float values that represent Y-axis for X1 column

X2

Integers values that represent X-axis for Y4 column

Y4

Float values that represent Y-axis for X2 column

References

Anscombe FJ. 1973. Graphs in statistical analysis. The American Statistician 27:17-21. tools:::Rd_expr_doi("10.2307/2682899")

Examples

data(aboutrsq)    
head(aboutrsq)