Posts Tagged ‘ sas programming ’

Select ODS tables by using wildcards and regular expressions in SAS

November 19, 2018
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You might know that you can use the ODS SELECT statement to display only some of the tables and graphs that are created by a SAS procedure. But did you know that you can use a WHERE clause on the ODS SELECT statement to display tables that match a pattern?

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Check out the SAS Student Series during winter break

November 13, 2018
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SAS is launching the SAS Student Series, which bundles thousands of dollars’ worth of training and certification materials into an affordable package for university students and recent graduates. The post Check out the SAS Student Series during wint...
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A trick to plot groups in PROC SGPLOT

October 31, 2018
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A trick to plot groups in PROC SGPLOT

A useful feature in PROC SGPLOT is the ability to easily visualize subgroups of data. Most statements in the SGPLOT procedure support a GROUP= option that enables you to overlay plots of subgroups. When you use the GROUP= option, observations are assigned attributes (colors, line patterns, symbols, ...) that indicate

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Five things you (probably) don’t know you can do with a hash table

August 9, 2018
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Hash tables are a very powerful and flexible data structure. Most SAS applications of hash tables focus on just one of their many powerful facilities: table lookup. Hash tables are a fantastic table lookup tool and their use for that should never be di...
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Meaningful names for columns of a design matrix

July 30, 2018
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Meaningful names for columns of a design matrix

A programmer recently asked a question on a SAS discussion forum about design matrices for categorical variables. He had generated a design matrix by using PROC GLMMOD and wanted to use the design columns in a subsequent procedure. However, the columns were named COL1, COL2, COL3,..., so he couldn't tell

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What DS2 can do for the DATA step

July 16, 2018
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The Base SAS DATA step has been a powerful tool for many years for SAS programmers. But as data sets grow and programmers work with massively parallel processing (MPP) computing environments such as Teradata, Hadoop or the SAS High-Performance Analytic...
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Using %IF-%THEN-%ELSE in SAS programs

July 5, 2018
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SAS programmers have long wanted the ability to control the flow of their SAS programs without having to resort to complex SAS macro programming. With SAS 9.4 Maintenance 5, it's now supported! You can now use %IF-%THEN-%ELSE constructs in open code. This is big news -- even if it only

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Custom Maps in SAS Visual Analytics: My Neighborhood

June 29, 2018
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The Geo Map Visualization has several built-in geographical units, including country and region names and codes, US state names and codes, and US zip codes. You can also define your own geographic units. This paper describes how to identify any geogra...
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