R Dataset / Package car / WeightLoss


On this R-data statistics page, you will find information about the WeightLoss data set which pertains to Weight Loss Data. The WeightLoss data set is found in the car R package. You can load the WeightLoss data set in R by issuing the following command at the console data("WeightLoss"). This will load the data into a variable called WeightLoss. If R says the WeightLoss data set is not found, you can try installing the package by issuing this command install.packages("car") and then attempt to reload the data. 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 WeightLoss R data set. The size of this file is about 848 bytes.

Weight Loss Data


Contrived data on weight loss and self esteem over three months, for three groups of individuals: Control, Diet and Diet + Exercise. The data constitute a double-multivariate design.




A data frame with 34 observations on the following 7 variables.


a factor with levels Control Diet DietEx.


Weight loss at 1 month


Weight loss at 2 months


Weight loss at 3 months


Self esteem at 1 month


Self esteem at 2 months


Self esteem at 3 months


Helmert contrasts are assigned to group, comparing Control vs. (Diet DietEx) and Diet vs. DietEx.


Originally taken from http://www.csun.edu/~ata20315/psy524/main.htm, but modified slightly. Courtesy of Michael Friendly.


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

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<iframe src="https://r-data.pmagunia.com/iframe/r-dataset-package-car-weightloss.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-67285.csv 848 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.