R Dataset / Package boot / catsM

On this R-data statistics page, you will find information about the catsM data set which pertains to Weight Data for Domestic Cats. The catsM data set is found in the boot R package. You can load the catsM data set in R by issuing the following command at the console data("catsM"). This will load the data into a variable called catsM. If R says the catsM data set is not found, you can try installing the package by issuing this command install.packages("boot") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the catsM R data set. The size of this file is about 1,201 bytes.

Weight Data for Domestic Cats


The catsM data frame has 97 rows and 3 columns.

144 adult (over 2kg in weight) cats used for experiments with the drug digitalis had their heart and body weight recorded. 47 of the cats were female and 97 were male. The catsM data frame consists of the data for the male cats. The full data are in dataset cats in package MASS.




This data frames contain the following columns:


A factor for the sex of the cat (levels are F and M).


Body weight in kg.


Heart weight in g.


The data were obtained from

Fisher, R.A. (1947) The analysis of covariance method for the relation between a part and the whole. Biometrics, 3, 65–68.


Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.

Venables, W.N. and Ripley, B.D. (1994) Modern Applied Statistics with S-Plus. Springer-Verlag.

See Also


Dataset imported from https://www.r-project.org.

Attachments: csv, json

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