BloodSamples {DirichletReg}

R Documentation

Serum Protein Composition in Blood Samples

Description

These data (Aitchison, 2003) list blood samples' compositions of Albumin, Pre-Albumin, Globulin A, and Globulin B in relation to two types of diseases. 14 patients suffer from disease A, 16 from disease B and 6 are unclassified.

Usage

BloodSamples

Format

A data frame with 36 observations on the following 6 variables.

Albumin, Pre.Albumin, Globulin.A, Globulin.B

the amounts of Albumin, Pre-Albumin, Globulin A, and Globulin B.

Disease

diagnosis of disease A, B, or NA for unclassified observations.

New

a factor indicating whether the observations are old and classified (No) or new and unclassified (Yes).

Source

Aitchison, J. (2003). The Statistical Analysis of Compositional Data. The Blackburn Press, Caldwell, NJ.

Examples

head(BloodSamples)
Bl <- DR_data(BloodSamples[,1:4])
summary(Bl)

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