Lecture 2 Getting Started Using SAS Software

Lecture 2 Getting Started Using SAS Software - I OWA S TATE...

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Unformatted text preview: I OWA S TATE U NIVERSITY Department of Animal Science I OWA S TATE U NIVERSITY Department of Animal Science Getting Started Using SAS Software Animal Science 500 Lecture No. 2 I OWA S TATE U NIVERSITY Department of Animal Science SAS History ◆ Developed in the late 1960s and 1970s at North Carolina State University ■ Original use was for management and analysis of agricultural field experiments ◆ Headquarters still in Cary, NC ◆ Claim to be the most widely used statistical software ◆ SAS used to be an acronym for “Statistical Analysis System ■ No real meaning today – just “SAS” I OWA S TATE U NIVERSITY Department of Animal Science SAS Products ◆ Base SAS – data management and basic procedures ◆ SAS/STAT – statistical analysis ◆ SAS/GRAPH – presentation quality graphics ◆ SAS/OR – operations research ◆ SAS/ETS – econometrics and time series analysis ◆ SAS/IML – interactive matrix language ◆ SAS/AF – applications facility (menus and interfaces) ◆ I OWA S TATE U NIVERSITY Department of Animal Science Resources for SAS ◆ Numerous books ■ Published by SAS and frequently authored users themselves ■ Published independent of SAS ■ All can be purchased from a variety of on-line book stores ● Amazon ● ABE.com ● Etc. ◆ SAS documentation is available on-line I OWA S TATE U NIVERSITY Department of Animal Science Resources for SAS ◆ SAS documentation is available on-line ■ Majority of book or “hard” documentation can by found on-line ■ Extensive help section for SAS ◆ Can e-mail SAS software consultants with technical questions that appear to not have solutions available. I OWA S TATE U NIVERSITY Department of Animal Science On-line support ◆ http://support.sas.com/onlinedoc/913/docMain page.jsp I OWA S TATE U NIVERSITY Department of Animal Science Format of SAS program ◆ SAS is very user friendly ■ No rules about format of your program and several programming rules are allowed; ● Statements or program can be written in UPPERCASE or lowercase or a COMbinATion ● Statements can continue across multiple lines ● Two statements can be on the same line ● You can start the program or statements in any column I OWA S TATE U NIVERSITY Department of Animal Science Making your SAS program User Friendly ◆ Keep your program organized ■ Often it is easier to review your program by writing only one statement per line. ■ Start DATA and PROC statements in leading columns ● Indent other code that follows the DATA or PROC step ■ To keep your code understandable, include comments ● Future use ● Someone else has to use or manipulate your data or program I OWA S TATE U NIVERSITY Department of Animal Science Making your SAS program User Friendly ■ To keep your code understandable, include comments...
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Lecture 2 Getting Started Using SAS Software - I OWA S TATE...

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