Use the EFFECTPLOT statement to visualize regression models in SAS

June 22, 2016
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Use the EFFECTPLOT statement to visualize regression models in SAS

Graphs enable you to visualize how the predicted values for a regression model depend on the model effects. You can gain an intuitive understanding of a model by using the EFFECTPLOT statement in SAS to create graphs like the one shown at the top of this article. Many SAS regression

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Will independent voters decide the election?

June 21, 2016
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In recent years, more and more people have been registering as independent voters in the US, rather than Democrat or Republican - the independents now control well over 1/3 of the votes. Will they likely vote for the Democrat or Republican candidates in the upcoming election? Let's break down some numbers

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The SELECT statement in the SAS DATA step

June 20, 2016
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The SELECT statement in the SAS DATA step

Every beginning SAS programmer learns the simple IF-THEN/ELSE statement for conditional processing in the SAS DATA step. The basic If-THEN statement handles two cases: if a condition is true, the program does one thing, otherwise the program does something else. Of course, you can handle more cases by using multiple

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July 4th Fireworks Safety

June 16, 2016
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Here in the US, our July 4th Independence Day holiday is coming up. It's a festive holiday with lots of fun & fireworks, but you also need to also be careful ... and I've got the graphs to prove it! Last year, I wrote a blog post about a SAS

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Overlay plots on a box plot in SAS: Continuous X axis

June 15, 2016
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Overlay plots on a box plot in SAS: Continuous X axis

I have previously shown how to overlay basic plots on box plots when all plots share a common discrete X axis. It is interesting to note that box plots can also be overlaid on a continuous (interval) axis. You often need to bin the data before you create the plot.

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The big fat truth about the US weight problem

June 14, 2016
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I recently read an article that claims 35% of men, and 40% of women in the US are now obese. Yikes! I wondered when this happened, and whether it had been a gradual or sudden change. If I only had some graphs ... which the article didn't provide. I did some

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Analytics Experience – Maximize your conference trip

June 13, 2016
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When I travel for work, I want to get the most out of my trip. So while I was in Las Vegas in April for SAS Global Forum, I used my free time to check out what’s in store for the Analytics Experience at the Bellagio, Sept. 12-14. Take a

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Overlay plots on a box plot in SAS: Discrete X axis

June 13, 2016
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Overlay plots on a box plot in SAS: Discrete X axis

Box plots summarize the distribution of a continuous variable. You can display multiple box plots in a single graph by specifying a categorical variable. The resulting graph shows the distribution of subpopulations, such as different experimental groups. In the SGPLOT procedure, you can use the CATEGORY= option on the VBOX

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These aren’t the drones you’re looking for – but those are!

June 9, 2016
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With recent advances in quadcopters, or drones, they have become pretty capable and fun flying machines. And just about anybody can afford the entry-level models. They've recently become prevalent enough that the government has started coming up with rules, and the Federal Aviation Administration (FAA) started requiring owners to register drones that

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