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This document discusses the use of case expressions in PROC SQL® for conditional processing, providing syntax examples, coding techniques, and scenarios for SQL users to implement conditional logic

How to fill out conditional processing using form

How to fill out Conditional Processing Using the Case Expression in PROC SQL®

1. Begin your PROC SQL statement with 'PROC SQL;'.
2. Identify the column(s) you want to conditionally process.
3. Use the 'CASE' expression to specify conditions.
4. Outline each condition using 'WHEN', followed by the condition and 'THEN' followed by the result you want for that condition.
5. End the 'CASE' expression with 'ELSE' to define a default result if none of the conditions are met.
6. Include 'END' to close the 'CASE' expression.
7. Use the 'SELECT' statement to retrieve and display the results.
8. End the PROC SQL step with a semicolon.

Who needs Conditional Processing Using the Case Expression in PROC SQL®?

1. Data analysts who need to perform conditional calculations within SQL queries.
2. Statisticians who want to categorize data based on certain conditions.
3. Database administrators managing complex datasets requiring conditional logic.
4. Anyone using PROC SQL in SAS to create reports or summary statistics with specific conditions.

People Also Ask about

What is proc SQL in SAS?

PROC SQL is a procedure that SAS developed for the implementation of Structured Query Language. You can use this procedure to modify, retrieve and report data in tables and views (created on tables). Just as with other SAS procedures, PROC SQL also has basic syntax structures.

What is a proc in SAS?

A group of SAS procedure statements is called a PROC step. SAS procedures analyze data in SAS data sets to produce statistics, tables, reports, charts, and plots, to create SQL queries, and to perform other analyses and operations on your data. SAS procedures also give you ways to manage and print SAS files.

What is a proc SQL?

PROC SQL is a procedure that SAS developed for the implementation of Structured Query Language. You can use this procedure to modify, retrieve and report data in tables and views (created on tables). Just as with other SAS procedures, PROC SQL also has basic syntax structures.

What is the meaning of SQL in SAS?

The SQL procedure implements Structured Query Language (SQL) for SAS. SQL is a standardized, widely used language that retrieves data from and updates data in tables and the views that are based on those tables.

Why use proc SQL in SAS?

PROC SQL can not only retrieve information without having to learn SAS syntax, but it can often do this with fewer and shorter statements than traditional SAS code. Additionally, SQL often uses fewer resources than conventional DATA and PROC steps.

What is the main advantage of using proc SQL in SAS?

Using PROC SQL, you can quickly count non-missing values for several variables and output the result on one line. (PROC FREQ would produce several output tables with the output sometimes continuing on to the next page.)

How do you suppress output in Proc SQL?

You use the NOPRINT option to suppress the output from the PROC SQL step. This form of the INTO clause does not trim leading or trailing blanks, but the %LET statement removes any leading or trailing blanks that are stored in the value of totalfee .

What is Proc SQL function in SAS?

PROC SQL is a wonderful tool for summarizing (or aggregating) data. It provides a number of useful summary (or aggregate) functions to help perform calculations, descriptive statistics, and other aggregating operations in a SELECT statement or HAVING clause.

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What is Conditional Processing Using the Case Expression in PROC SQL®?

Conditional Processing using the CASE expression in PROC SQL® allows you to perform conditional logic within SQL queries. It enables you to evaluate conditions and return specific values based on those conditions, similar to IF-THEN-ELSE statements in programming.

Who is required to file Conditional Processing Using the Case Expression in PROC SQL®?

Any data analyst or programmer who is using PROC SQL® to manage and manipulate data within SAS software may need to utilize conditional processing using the CASE expression to enhance their data queries and reporting.

How to fill out Conditional Processing Using the Case Expression in PROC SQL®?

To use the CASE expression in PROC SQL®, you need to define the conditions that you want to evaluate within a SELECT statement. You will specify WHEN conditions followed by their respective THEN outputs and conclude with an END statement.

What is the purpose of Conditional Processing Using the Case Expression in PROC SQL®?

The purpose of using the CASE expression in PROC SQL® is to enable dynamic data transformation and categorization based on specified conditions, allowing for more customized data retrieval and reporting.

What information must be reported on Conditional Processing Using the Case Expression in PROC SQL®?

When reporting on conditional processing using the CASE expression, you should include the conditions evaluated, the outputs generated for each condition, and how these outputs impact the overall data query and results.