try catch
点击查看代码
tryCatch(libray(xx),warning = function(w){print("出现警告")},
error=function(e){print("出现错误")},
finally={
print("导入ggplot2包")
library(ggplot2)
}
)
tryCatch(libray(xx),warning = function(w){print("出现警告")},
error=function(e){print("出现错误")},
finally={
print("导入ggplot2包")
library(ggplot2)
}
)