in R, can I stop print(cat(“”)) from returning NULL? and why does cat(“foo”) return foo>

后端 未结 6 1256
栀梦
栀梦 2021-02-18 15:17

If I enter

print(cat(\"\"))

I get

NULL

I want to use cat() to print out the progress of an R sc

6条回答
  •  -上瘾入骨i
    2021-02-18 16:20

    NULL is the return value of "cat()". If you omit the outer "print()" you won't see the NULL.

提交回复
热议问题