SAS_Accessing data - Accessing Data Accessing Last Updated...

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Accessing Data Accessing Data Last Updated : 29 June, 2004 Center of Excellence Data Warehousing
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Agenda Creating datasets using DATA step. Infile statement Different input styles. Combining datasets using DATA step
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What Is the SAS System? The SAS System is an integrated system of software products that enables you to perform data entry, retrieval, and management report writing and graphics statistical and mathematical analysis business planning, forecasting, and decision support operations research and project management quality improvement applications development.
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What Is the SAS System? In addition, you can integrate with SAS many SAS business solutions that enable you to perform large scale business functions, such as Data Warehousing and Data Mining Human Resources Management and Decision Support Financial Management and Decision Support
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Overview of Base SAS Software The core of the SAS System is base SAS software SAS language a programming language that you use to manage your data. SAS procedures software tools for data analysis and reporting. Macro facility a tool for extending and customizing SAS software programs and for reducing text in your programs. DATA step debugger a programming tool that helps you find logic problems in DATA step programs. Output Delivery System (ODS) a system that delivers output in a variety of easy-to-access formats, such as SAS data sets, listing files, or Hypertext Markup Language (HTML).
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Base SAS data access management analysis presentation
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Components of the SAS Language SAS Files Files with formats or structures known to SAS. All SAS files reside in a SAS data library. SAS data set is structured in a format that SAS can process. SAS catalog Many different kinds of information that are used in a SAS job are stored in SAS catalogs, such as instructions for reading and printing data values, or function key settings that you use in the SAS windowing environment. SAS stored program contains compiled code that you create and save for repeated use.
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Components of the SAS Language SAS Data Sets SAS data file both describes and physically stores data values. descriptor portion describes the contents of the SAS data set to SAS. Data portion data that has been collected or calculated. An observation is a collection of data values that usually relate to a single object. A variable is the set of data values that describe a given characteristic. SAS data view does not actually store values but create logical SAS data sets without using the storage space required by SAS data files.
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Structure of SAS Data Sets SAS Data Set Descriptor Portion Data Portion General Data Set Information *Label *Date/Time Created Number of Obs.
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SAS_Accessing data - Accessing Data Accessing Last Updated...

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