distance matrix using C++

This function provides fast and memory efficient distance matrix calculation

rcpp_parallel_distance(mat)

Arguments

mat	an R matrix (expression matrix), rows are genes, columns are cells

Value

a distance matrix

Examples

mat_test <-matrix(rnbinom(1000000,mu=0.01, size=10),nrow=10000)
#library(microbenchmark)
#microbenchmark(rcpp_parallel_distance(mat_test), dist(mat_test), times=3)