稀疏矩阵的存储

library(Matrix)
write(colnames(data_all), file = "Ramachandran2019_expression/baocodes.tsv",sep = "/t")
write(rownames(data_all), file = "Ramachandran2019_expression/features.tsv",sep = "/t")
writeMM(data_all, file = "Ramachandran2019_expression/sparsematrix.tsv",sep = "/t")