摘要: Values of variables which are missing or unobtainable can be set to the SAS missing value symbol . (p[阅读全文:]
摘要: The missover option in the infile statement is used to assign the SAS missing value to variables not[阅读全文:]
摘要: An internal SAS counter in the data step which contains the current iteration number of the data step[阅读全文:]
摘要: SAS names, for variables or data sets, are limited to a length of 8 characters with no embedded blank[阅读全文:]
摘要: The output statement is used in the datastep to write the current values of all variables to a data s[阅读全文:]
摘要: The pageno option sets the number of the next page of SAS output. This is often typed in the program[阅读全文:]
摘要: The pagesize option (synonym ps) sets the number of lines per page in the SAS output window. Example:[阅读全文:]
摘要: The retain statement is used to hold the values of variables accross iterations of the data step. Nor[阅读全文:]
摘要: The return statement branches to the bottom of the data step implicit loop. The implicit output state[阅读全文:]
摘要: The stop statement ends processing of a data step. Processing continues with the first command follow[阅读全文:]
