why couldnt i have just done age=13 instead of age=&age? what is the purpose of macro variables? ... View more

is proc format permanent?    when do you use format statement in data step? do you have to define a variable's format if its length is greater than 8? ... View more

since my university version of SAS can't be downloaded for some reason, would the same thing print if i said to "drop _name_" right before run instead of at the data statement?    ... View more

if the "if" statement must be used because values for the (IN=variables) are assigned during execution, then when do you use the where statement? ... View more

does the order matter in the data step? if so, for what? ... View more

can rename only be used in set statement?    when do you use rename= and name=? ... View more

why is the input(source, INFORMAT) while put(source, FORMAT)? ... View more

does length(“ “)=1? when do you use the length statement versus length('string')?   is “ the same thing as ‘ in SAS? ... View more

what are all the options for the alignment option in intnx()? ... View more

in my e-learning, there are two sas programming 2: data manipulation technique links (one released this month and the other retiring feb. '19). Do they overlap a lot or should I go over both in detail?    Also, i was told by a sas instructor that most of the things I need to know for the base programming exam are in the programming 2 link. Is that correct? ... View more

is the first. and last. statement temporary even though its in the data step? ... View more

is there any difference in the drop, keep, (drop=), and (keep=) function? ... View more

can _error_ be anything besides 0 and 1? ... View more

if the (drop=variable) statement is used in the data statement with 3 data sets, but i say to drop the same variable in all 3, can it still be used in calculations? ... View more