Description
This app, “Data Steps: How Do You Do This in SAS?”, is one of a series of eBooks about SAS software programming focusing on frequently asked questions and answers, illustrated by code samples which can be sent by email directly from the app. It is designed to encourage users to contribute questions some of which will be included in future versions of the app. There are controls to select specific questions, move to the previous or next question, decrease or increase the font to suit the user’s preference, and send emails requesting answers to questions not yet included in that version of the eBook.
An email client must have been installed and set up prior to the first use of this app, otherwise the features involving email will cause the app the terminate!
The questions, with answers, included are:
- Introduction
- About the Author: Philip R Holland
- Carrying forward a non-missing value to following observations
- Separating duration data into periods
- Populating arrays with data values
- Processing a mixture of missing and non-missing values
- Rearranging variable values in a SAS data set
- Updating data with related records
- Reading Excel dates into SAS
- Selecting variables beginning with ‘S’
- Creating and converting date/time values
- Using look-up tables with Data Step Merge
- Using look-up tables with SAS Formats
- Using look-up tables with generated IF..THEN..ELSE statements
- Using look-up tables with generated SELECT..WHEN..OTHERWISE statements
- How do you find out which numeric variable has an input error
- How do you find out which date/time variable has an input error
- What is the difference between DROP and DROP=, and KEEP and KEEP=
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