In a previous blog, Random Sampling: What's Efficient?, I discussed the efficiency of various techniques for selecting a simple random sample from a large SAS dataset. PROC SURVEYSELECT easily does the job: proc surveyselect data=large out=sample method=srs /* simple random sample */ rate=.01; /* 1% sample rate */ run; Note:
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We are a few months away from SAS Global Forum in Orlando. You might think that the conference kicks off Sunday night at opening session, but there are plenty of weekend activities before then and I’d like to highlight one of them: SAS certification exam sessions. Isn’t now a great
I continue to find the concept of explaining analytics through storytelling intriguing. As I have written before, at first blush this did not seem immediately clear to me. The advice to use storytelling appeared somewhat vague, trite and without substance. More importantly, it seemed to conflict with the rigor required
"They'll eat you out of house & home! Their food bill will put you in the poor house! ... And they never gain an ounce!" - That's what my friends say about their teenage sons. They're probably exaggerating a little, but since it's a recurring theme, there's probably some truth
Here in the US, it's Girl Scout cookie season. This is when you get to spend a few bucks on cookies, break your New Year's resolution about losing weight ... and feel good about it, because the money's going to a good cause. Or is it? - Let's break down
For many years, the Toyota Prius was the hybrid with the best mpg - but in 2017 that's changing! Let's examine the data ... For analyses like this, I have found the fueleconomy.gov website to be a wonderful source of information. In recent years, they've even made all their data
They say "a picture is worth 1000 words" - and I think it might be more like 2000 when it comes to planning out fun/interesting things to do in a new city! I'm going to the SAS Global Forum (#SASGF) conference in Orlando this year, and I was wondering where
Whether your resolution is to get SAS certified or to become a more advanced SAS programmer, we’ve got you covered with these new titles and upcoming SAS Press books, many of which will be making their bookshelf debut at SAS® Global Forum 2017 in Orlando, FL! Want to be notified when a new book
If you do much traveling in the United States, you're bound to hear a few words and expressions that are unique to certain areas. Well y'all get ready, because I'm fixin' to analyze some of those words for ya! I recently found a really neat web application called The Great
How many of you have been given a SAS data set with variables such as Age, Height, and Weight and some or all of them were stored as character values instead of numeric? Probably EVERYONE! Yes, we all know how to do the old "swap and drop" (rename and convert), but