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Using the ‘PRESORTED’ Option with Proc SORT in SAS 9.2

In SAS 9.2 Proc SORT the 'PRESORTED' option has been added; we can use this option if we believe that our data is already sorted, causing SAS to simply verify... Read more...

Posted in SAS Programming; Tagged SAS Programming; Posted January, 2017 by Amadeus Technical Team

Piping Operating System Commands

The usual method of issuing an operating system command is via the X statement (or a similar facility such as CALL SYSTEM, %SYSEXEC or SYSTASK). Read more...

Posted in SAS Programming; Tagged SAS Programming, System Commands; Posted January, 2017 by Amadeus Technical Team

Using the IN Operator with the Macro Language in SAS 9.2

In data step code it is common practice to use an IN operator in place of lots of OR statements, this allows you to write code that is concise and... Read more...

Posted in SAS Programming; Tagged SAS Programming, IN Operator; Posted January, 2017 by Amadeus Technical Team

Conditionals in Macros

Here is a line of code from a macro definition. It is supposed to be issuing a Unix command to delete a file. Spot the deliberate mistake! Read more...

Posted in SAS Programming; Tagged SAS Programming, Macros; Posted January, 2017 by Amadeus Technical Team

Macro Loops by Month

Here's a macro which executes some code for each month in an interval. Months are assumed to be specified in the format YYYYMM. Read more...

Posted in SAS Programming; Tagged SAS Programming; Posted January, 2017 by Amadeus Technical Team

Stored Macros Where's the Source?

Until V9, there was a potential shortcoming when using compiled stored macros; only the compiled form was stored by SAS, so that you had to make sure you didn't lose... Read more...

Posted in SAS Programming; Tagged SAS Programming; Posted January, 2017 by Amadeus Technical Team

Removing Unwanted Characters from Text Strings

Various techniques are available. We are going to demonstrate several of them by looking at the problem of removing multiple commas from strings containing lists. Read more...

Posted in SAS Programming; Tagged Text Strings, SAS Programming; Posted January, 2017 by Amadeus Technical Team

Managing Division by Zero Exceptions Using the DIVIDE Function

Arguably one of the most common arithmetic calculation headaches that most programmers encounter in their programming life is the division by zero scenario. Read more...

Posted in SAS Programming; Tagged SAS Programming, DIVIDE function; Posted January, 2017 by Amadeus Technical Team

Using the EXTENDSN Option with Proc CIMPORT

SAS Transport files are used when there is a need to move or copy SAS files between different platforms. For example, SAS data sets and catalogs used in a Windows... Read more...

Posted in SAS Data Management; Tagged SAS Data Management; Posted January, 2017 by Amadeus Technical Team

Zero Filling

There are many occasions when it is desirable to create a template data set containing variables initialised to zero. Read more...

Posted in SAS Data Management; Tagged SAS Data Management; Posted January, 2017 by Amadeus Technical Team

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