SparsifyM: Sparsify a dense Riemannian process
In CrossD/RFPCA: Sparse and Dense Riemannian FPCA

SparsifyM

R Documentation

Sparsify a dense Riemannian process

Sparsify a dense Riemannian process

SparsifyM(X, pts, sparsity)

`X`	A three dimensional array such that X[i, j, t] = X_ij(t).
`pts`	A vector of grid points corresponding to the columns of `samp`.
`sparsity`	A vector of integers. The number of observation per sample is chosen to be one of the elements in sparsity with equal chance