MEMSS (version 0.9-3)

Pixel: X-ray pixel intensities over time

Description

The Pixel data frame has 102 rows and 4 columns of data on the pixel intensities of CT scans of dogs over time

Format

This data frame contains the following columns:

Dog

a factor with levels A to J designating the dog on which the scan was made

Side

a factor with levels L and R designating the side of the dog being scanned

day

a numeric vector giving the day post injection of the contrast on which the scan was made

pixel

a numeric vector of pixel intensities

Examples

# NOT RUN {
options(show.signif.stars = FALSE)
str(Pixel)
summary(Pixel)
(fm1 <- lmer(pixel ~ day + I(day^2) + (1|Dog:Side) + (day|Dog), Pixel))
# }