aboutrsq {datana} | R Documentation |
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
Source
Data were assembled by Dr Christian Salas-Eljatib (Santiago, Chile).
References
Anscombe FJ. 1973. Graphs in statistical analysis. The American Statistician 27:17-21. doi:10.2307/2682899
Examples
data(aboutrsq)
head(aboutrsq)
[Package datana version 1.1.1 Index]