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