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 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 WeightLoss R data set. The size of this file is about 848 bytes.

Weight Loss Data

Description

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.

Usage

WeightLoss

Format

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

group: a factor with levels Control Diet DietEx.
wl1: Weight loss at 1 month
wl2: Weight loss at 2 months
wl3: Weight loss at 3 months
se1: Self esteem at 1 month
se2: Self esteem at 2 months
se3: Self esteem at 3 months

Details

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

Source

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.

Attachments: csv, json

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