Good Programming Practice for Clinical Trials - sasCommunity

as.character(bar) class(bar) "character" Similarly, you can change the class of any vector. But, you should pay attention here. If you try to convert a ―character‖ vector to ―numeric‖ , NAs will be introduced. Hence, you should be careful to use this command. List: A list is a special type of vector which contain elements of different ... ................
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