twoGroupDesignMatrix {jointMeanCov} | R Documentation |
This function returns the design matrix for two-group mean estimation. The first column contains indicators for membership in the first group, and the second column contains indicators for memebership in the second group.
twoGroupDesignMatrix(group.one.indices, group.two.indices)
group.one.indices |
indices of observations in group one. |
group.two.indices |
indices of observations in group two. |
Example
D <- twoGroupDesignMatrix(1:2, 3:5) # print(D) displays the following: [,1] [,2] [1,] 1 0 [2,] 1 0 [3,] 0 1 [4,] 0 1 [5,] 0 1
Returns a design matrix of size n by 2, where n is the sample size.