Creates a matrix of sparse data with NAs out of a list
Creates a matrix or three dimensional array of sparse data with NAs from a list of sparse data. The number of columns of the matrix will be equal to the length of the list (replications)
sparse.mat(datalist)
datalist |
A list object. Each element must be a matrix object where the rows correspond to argument values per individual. First column corresponds to time points and the following columns to argument values per variable. |
a matrix or array with ncol = length(datalist). First dimension corresponds to point observations, second dimension corresponds to replications and third dimension corresponds to variables.
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