R: Repeated CT scans on dogs

pixel {asreml} | R Documentation

## Repeated CT scans on dogs

### Description

This data set was collected by performing CT scans on dogs (dog) over time. Scans of the right- and left-side lymph nodes in the axillary region were recorded in form of pixel intensity. A total of 10 dogs were scanned over a period of 14 days. The dogs had received an intravenous application of a dye contrast at time zero.

### Usage

    pixel

### Format

A data frame with 5 columns and 102 rows:

- rec: Record ID, number of record

- Dog: Dog ID, factor with 10 levels

- Side: Side, factor with 2 levels

- day: Day of post injection, numeric variate

- pixel: Pixel intensity, numeric response

[Package asreml version 4.2.0.480 Index]