我想知道为什么要ifelse(1<2,print("true"),print("false"))回来
ifelse(1<2,print("true"),print("false"))
[1] "true" [1] "true"
而ifelse(1<2,"true","false")回报
ifelse(1<2,"true","false")
[1] "true"
我不明白为什么print内部ifelse返回"true"两次
print
ifelse
"true"
if-statement r
if-statement ×1
r ×1