sas university edition interview questions

The data types in SAS are Numeric and Character. Mention What Are The Data Types Does Sas Contain? There should be at least one space between each word or statementįor example: Infile ‘H: StatHWyourfilename.dat’ There should be a semi-colon at the end of every lineĪ data statement that defines your data set To run program successfully, and you have following basic elements: What Is The Maximum Length Of The Macro Variable? SAS Programming,SQL server Interview Questions The end of the macro is defined by %Mend Statement. Macros in SAS make a small change in the program and have SAS echo that change thought that program. Parameters passed to the macro program customize the results without having to change the code within the macro program. A macro program can be reused many times. We can accomplish repetitive tasks quickly and efficiently. If we want use a program step for executing to execute the same Proc step on multiple data sets. For What Purposes Have You Used Sas Macros? R Programming language Tutorial Red Hat Linux System Administration Interview Questions %macro plot (yvar= ,xvar= ) proc plot plot &yvar*&xvar run %mend plot %plot(age,sex) Macro parameters allow you to pass information into a macro.

How Are Parameters Passed To A Macro?Ī macro variable defined in parentheses in a %MACRO statement is a macro parameter. We use CALL SYMPUT with this general form:ĬALL SYMPUT (“macro-variable-name”, value) To assign a value to a single macro variable, I can then use this macro variable in later steps.

ĬALL SYMPUT takes a value from a data step and assigns it to a macro variable.

Windows Administration Interview Questions What Are Automatic Variables For Macro?Įvery time we invoke SAS, the macro processor automatically creates certain macro var. MEMRPT: Specifies that memory usage statistics be displayed on the SAS Log. Specific options related to macro debugging appear in alphabetical order in the table below: The results associated with using macro options are automatically displayed on the SAS Log. The SAS System offers users a number of useful system options to help debug macro issues and problems. What System Options Would You Use To Help Debug A Macro? SYMPUT puts the value from a dataset into a macro variable where as SYMGET gets the value from the macro variable to the dataset. The %LOCAL that variable will be used only at the particular block only but in case of the %GLOBAL that variable will be used till the end of the SAS session. What Is The Difference Between %local And %global? The informat will tell SAS on how to read data into SAS variables.

SAS INFORMATS are used to read, or input data from external files known as Flat Files ASCII files, text files or sequential files).

Sas university edition interview questions