SAS Interview Questions and Answers- Part 6

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SAS Interview Questions and Answers- Part 6

If you’re just beginning your journey with SAS (Statistical Analysis System) and preparing for job interviews, you’re in the right place. SAS is a widely used tool for data analysis, statistical modeling, and business intelligence. From healthcare to finance, many companies rely on SAS to make data-driven decisions. Interviewers look for people who understand core SAS concepts, can write basic code, and know how to handle datasets.

This page includes commonly asked SAS interview questions and clear answers to help you prepare with confidence. Whether you’re applying for your first analytics role or switching from another tool like R or Python, mastering these questions will give you a strong advantage.

We’ve covered topics from data steps to PROC statements and advanced analytics. So take your time, practice well, and boost your chances of getting hired with this curated set of SAS interview questions and expert-approved answers.

Answer:

Proc Freq or “Procedure Frequency” refers to a statistical procedure in SAS used for analyzing and summarizing categorical data. It provides various statistics and output that help in understanding the distribution of categorical variables within a dataset. Proc Freq also helps to compute a variable’s percentage and frequency count.

Answer:

In SAS, a “Proc Gplot” stands for “Graphics Procedure” or “Graph Plot Procedure.” It is a component of the SAS system used to create various types of statistical graphs and plots to visualize and analyze data.

Answer:

The BDMP is used for managing and manipulating datasets in SAS. It provides a set of data management operations that allow you to perform tasks such as merging datasets, sorting data, creating subsets, and more. BDMP procedures are part of the SAS Base software and are used to process and manipulate raw data before performing statistical analysis or generating reports.

Answer:

Special characters are defined as character data types only in a SAS program.

Answer:

Following are some commonly used functions in a SAS program:

  • Trim
  • Tranwrd
  • Scan
  • Sum
  • Substr
  • Catx
  • Index

Answer:

The CROSSLIST option in the TABLES statement in SAS is used in conjunction with the PROC REPORT procedure. It is used when you want to display more than one table or report within a single output. It allows you to create a layout where tables are displayed side by side or in a grid-like fashion, making it easier to compare different aspects of your data in a single output.

Answer:

Here are some default statistics for means procedure:

  • n-count
  • mean
  • standard deviation
  • minimum
  • maximum

Answer:

The MERGE statement is used to combine two or more datasets based on common variables. It creates a single dataset containing data from all the input datasets.

Answer:

The SET statement is used in the DATA step to read data from an existing dataset and create a new dataset. It brings the data from the source dataset into the program data vector for further processing.

Answer:

Some commonly used procedures and techniques for data scrubbing in SAS include:

  • PROC SORT
  • PROC FREQ
  • PROC FORMAT
  • PROC SUMMARY
  • PROC TRANSPOSE