On this R-data statistics page, you will find information about the liver data set which pertains to Liver related laboratory data. The liver data set is found in the texmex R package. You can load the liver data set in R by issuing the following command at the console data("liver"). This will load the data into a variable called liver. If R says the liver data set is not found, you can try installing the package by issuing this command install.packages("texmex") 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 liver R data set. The size of this file is about 20,943 bytes.

Liver related laboratory data

Description

Liver related laboratory data from a randomized, blind, parallel group clinical trial with 4 doses of a drug.

Usage

data(liver)

Format

A data frame with 606 observations on the following 9 variables.

ALP.B

Alkaline phosphatase at baseline. A numeric vector.

ALT.B

Alanine aminotransferase at baseline. A numeric vector.

AST.B

Aspartate aminotransferase at baseline. A numeric vector.

TBL.B

Total bilirubin at baseline. A numeric vector.

ALP.M

Alkaline phosphatase after treatment. A numeric vector.

ALT.M

Alanine aminotransferase after treatment. A numeric vector.

AST.M

Aspartate aminotransferase after treatment. A numeric vector.

TBL.M

Total bilirubin after treatment. A numeric vector.

dose

The treatment group (i.e. dose group). A factor with levels A B C D

Details

Dose A is the lowest dose, dose, B the next, C the next, and D the highest dose. The baseline values were taken prior to any treatment being received, and the clinical trial had a single post-baseline visit.

Source

AstraZeneca data on file.

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