psd: Function for returning treatment assignments in Pocock's...
In Gtmille2/multiEndpoint: What the Package Does (One Line, Title Case)

This function takes a vector of factor level assignments, and returns treatment assignments

1	psd(x, p1 = 3/4, best = 0, tr = NULL, n.trt)

`x`	Vector of factor level assignments
`tr`	Tr is the vector of treamtnet assignments. Default is NULL
`n.trt`	Number of treatments used in the trial
`p`	Default is 3/4.
`Best`	is the selected best treatment if past the first analysis. Default is 0
`n.trt`	The number of treatments used in the analaysis if at the first stage in the analysis.