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A function for filtering low expressed genes
SpFilter(ExpMat_Sp, Threshold = 5)
A sparse expression matrix in dgCMatrix class
A sparse, N x M expression matrix in dgCMatrix class with N genes and M spots
A threshold set to filter out genes with a total read count below this specified value
# create a sparse expression matrix Raw_ExpMat <- Matrix::rsparsematrix(nrow = 10000, ncol = 2000, density = 0.01, rand.x = function(n) rpois(n, 15)) Filtered_ExpMat <- SpFilter(Raw_ExpMat)
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