Determining the size of a SAS data set

April 25, 2017
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When developing SAS® data sets, program code and/or applications, efficiency is not always given the attention it deserves, particularly in the early phases of development. Since data sizes and system performance can affect a program and/or an application’s behavior, SAS users may want to access information about a data set’s

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Will your next car be made in China?

April 24, 2017
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Building cars is towards the top of the manufacturing hierarchy - some countries are even known for the cars they build. If you want a good quality car, you probably think of Japan. If you want a stylish sports car, you probably think of Italy. If you ...
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Auto Creation of Linux Home Directories for SAS Users

April 24, 2017
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In a previous post I’ve described a method for configuring Active Directory Authentication for SAS® on Linux (with realmd). One of the packages that’s installed is oddjob-mkhomedir. This package normally handles any requirement for auto-creating home directories for those AD users on Linux. Unfortunately it doesn’t seem to get used by the SAS Object...
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Visualize an ANOVA with two-way interactions

April 24, 2017
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Visualize an ANOVA with two-way interactions

There are several ways to visualize data in a two-way ANOVA model. Most visualizations show a statistical summary of the response variable for each category. However, for small data sets, it can be useful to overlay the raw data. This article shows a simple trick that you can use to

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Nudging SAS Viya Services Timeout

April 24, 2017
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I had been puzzling over why some SAS® Viya™ services were not starting on a machine reboot. Initially I thought the answer appeared in the SAS Viya 3.2 Administration documentation set: see the General Servers and Services: Troubleshooting section. I found that all the expected services started after: # /etc/init.d/sas-viya-all-services stop #...
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Your mapping toolkit tip #6 – Geocoding your addresses

April 21, 2017
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You've got a database containing the addresses of all your customers ... but how can you plot them on a map or analyze them spatially? First, you'll need to convert the address into a numeric coordinate (latitude & longitude). SAS can do that ... with Proc Geocode! But before we

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People using smartphones while driving – the numbers are in!

April 19, 2017
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You're sitting in a line of cars at the intersection, waiting for the light to change - when it finally turns green, the 2nd car just sits there for several seconds until someone honks at them, and then they scoot through the light  ... but everyone behind them has to

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Regression with restricted cubic splines in SAS

April 19, 2017
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Regression with restricted cubic splines in SAS

Restricted cubic splines are a powerful technique for modeling nonlinear relationships by using linear regression models. I have attended multiple SAS Global Forum presentations that show how to use restricted cubic splines in SAS regression procedures. However, the presenters have all used the %RCSPLINE macro (Frank Harrell, 1988) to generate

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How to control the name of Excel sheets when they are all created at once

April 18, 2017
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Ok, so you know how to create multiple sheets in Excel, but can anyone tell me how to control the name of the sheets when they are all created at once? In the ODS destination for Excel, the suboption SHEET_INTERVAL is set to TABLE by default.  So what does that

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