Unit_1.ppt2007

Unit_1.ppt2007 - Introduction to SAS Programming STSCI 501...

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1 Introduction to SAS Programming STSCI 501 – Fall 2007 Simona Despa Cornell Statistical Consulting Unit (CSCU)
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2 Part 1 - Overview What is SAS? Overview of SAS Products Introduction to the SAS Windowing environment Overview of a SAS program: the two parts of a SAS program Overview of a SAS data set
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3 Part 1 - Overview Running a SAS program Introduction to SAS data library Submitting a SAS program Reading the log Reading the results Reading SAS data sets
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4 What is SAS SAS is a statistical software package. Among many functions you can perform: -data management, data entry and retrieval -statistical and mathematical analysis - reporting
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5 Overview of 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) • SAS/ QC - Quality control Many other specialized products are available
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6 SAS Processing Schematic C opyright 1999 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
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7 Introduction to the SAS Windows Environment There are five main SAS windows: 1. Explorer : SAS libraries , file shortcuts 2. Results : a tree-like summary of your Output Window. This window is empty until you submit a SAS program that creates output 3. Program Editor : Enter, edit, submit SAS program lines 4. Log : Notes and Error messages 5. Output : Output from SAS procedures Other windows: Graph Help
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8 SAS Windows
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9 The two parts of a SAS program 1 . DATA step 2. PROC step. These two types of steps, alone or combined, form all SAS programs.
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10 Data Step DATA steps create or modify SAS data sets For example, you can use DATA steps to: - put your data into a SAS data set - compute the values for new variables - check for and correct errors in your data - produce new SAS data sets by subsetting, merging, and updating existing data sets.
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Proc Step PROC (procedure) steps analyze and process data in the form of a SAS data set
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This note was uploaded on 02/13/2008 for the course STSCI 5010 taught by Professor Bunge during the Fall '07 term at Cornell.

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Unit_1.ppt2007 - Introduction to SAS Programming STSCI 501...

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