thin — thin • scHOT

The thin function extracts the rows of a matrix evenly so that roughly n number of rows remain. Used for thinning down the weight matrix to speed up overall computation.

thin(W, n = 100)

Arguments

W: matrix
n: rough number of rows to keep

Value

matrix of thinned matrix keeping only roughly n rows.

Examples


W = trajectoryWeightMatrix(500)
#> type not specified, defaulting to triangular
#> span not specified, defaulting to 0.25
W_small = thin(W, n = 100)