warning不是error,有必要,但有时很烦人,怎么不让警告呢?
options(warn=-1)
from How to suppress warnings globally in an R Script - Stack Overflow
warning不是error,有必要,但有时很烦人,怎么不让警告呢?
options(warn=-1)
from How to suppress warnings globally in an R Script - Stack Overflow