design_matrix: Create a design matrix for a single-case design
Description
Create a design matrix containing a linear trend, a treatment effect, and a
trend-by-treatment interaction for a single-case design with m cases and n
measurement occasions.
Usage
design_matrix(m, n, treat_times = n/2 + 1, center = 0)
Arguments
m
number of cases
n
number of time points
treat_times
(Optional) vector of length m listing treatment introduction times for each case.