Performing Conditional Logic in SAS Assignment Help

Performing Conditional Logic in SAS Assignment Help

Introduction

You can stop now if you’ve been composing the very same lines of code consistently in SAS. It should not be as tiresome as you’ve been because of this.

Accessibility of SAS Macros can make you work much faster and save your time. I’ve dealt with SAS for 3 years.

Performing Conditional Logic in SAS Assignment Help

Performing Conditional Logic in SAS Assignment Help

I remember composing exact same lines of code every early morning, till I found out Macros. Ever since, I’ve continued to find every bit of method of coding much faster in SAS.

Conditional Logic

GTL supports conditional logic that allows you to omit or add several GTL declarations at runtime

The IF declaration needs an ENDIF declaration, which delimits the IF block. IF block can be positioned anywhere within the BEGINGRAPH/ ENDGRAPH block.

The condition is an expression that assesses a numerical constant, where all numerical constants aside from 0 and MISSING hold true. The IF block is examined with a suggested EVAL( condition ), so it is not necessary to add an EVAL as part of the condition.

Here are some examples:

Examples of Conditional logic utilizing SAS code

Keeping the previous conversation in mind, one can comprehend the best ways to produce more effective SAS code. By getting rid of the unneeded review information, computer system resource use is lessened. Through the removal of unneeded rows and columns (observations and variables respectively), SAS information sets are kept as little as possible.

Smaller sized information sets cause reduced computer system resource use and increased total performance

Example – Extract cases matching a sensible condition

Conditional logic can get really complicated, especially when the requirements are based upon several values and/or several variables. How would we compose the conditional logic for a subset consisting of just male students, and that live in-state or are at least juniors? In this case, there are 3 requirements variables: gender, state residency, and class rank.

Every subject consisted of in the subset needs to be male, and in addition to being male, the subject should either a) be an in-state student, or b) be “a minimum of a junior”– i.e., a junior or a senior.

Summary

When you wish to conditionally process an information set (such as developing a brand-new variable based upon a condition), you usually consider utilizing IF-THEN logic, but IF-THEN logic is just legitimate in DATA action. In SAS Enterprise Guide, the Query Builder utilizes PROC SQL behind the scenes. In PROC SQL, the CASE declaration is utilized to do conditional processing.

In SAS Enterprise Guide 4.2, the technique of utilizing the CASE declaration has actually altered. Particularly, if CODE= 1, then TYPE is equivalent to ‘Fruit’.

Keeping the previous conversation in mind, one can comprehend how to develop more effective SAS code. Through the removal of unneeded rows and columns (observations and variables respectively), SAS information sets are kept as little as possible.

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Posted on August 26, 2016 in SAS Assignments

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