Name:

Description:

The Burt data frame has 27 rows and 4 columns. The “data” were simply (and notoriously) manufactured. The same data are in the dataset “twins" in the alr3 package, but with different labels.

Variables:

This data frame contains the following columns:

IQbio

IQ of twin raised by biological parents

IQfoster

IQ of twin raised by foster parents

class

A factor with levels (note: out of order): high; low; medium.

Link To Google Sheets:

Rows:

Columns:

Files:

License Type:

References/Notes/Attributions:

Source

Burt, C. (1966) The genetic determination of differences in intelligence: A study of monozygotic twins reared together and apart. British Journal of Psychology 57, 137–153.

R Dataset Upload:

Use the following R code to directly access this dataset in R.

R Coding Interface: