IP屬地：寧夏
https://stackoverflow.com/questions/51544044/r-what-does-rmlist-ls-do[ht...
1. :: The expression 'pkg::name' returns the value of the exported v...
The installation of lots of packages has to depend on other packages' in...
https://stackoverflow.com/questions/24536154/what-does-mean-in-r The inf...
求 array中非nan的median， mean， std numpy.nanmean(a,axis=None,dtype=None,out=...
Numpy.frompyfunc()將計算單個值的函數轉化為計算數組中每個元素的函數[https://www.cnblogs.com/yhpan...
The fundamental difference is thatrandom.choices()[https://docs.python.o...
發現一篇很形象的SVD 壓縮圖片的文章， 線性代數與我八字不合，看不懂原理，會用code達到應用目的也是好的。 http://timbauman...