This page is slow!

January 22, 2010
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We received several comments noting extremley slow loading pages, especially in the search and browse areas. I checked on the pages and the slowness seemed random and impossible to reproduce. Then I remembered that the world just found out that S...
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Implementing Gap statistic for clustering number estimation

January 22, 2010
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Gap statistic is a method used to estimate the most possible number of clusters in a partition clustering, noticeablly k-means clustering. This measurement was originated by Trevor Hastie, Robert Tibshirani, and Guenther Walther, all from Standford U...
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R AnalyticFlow

January 21, 2010
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R AnalyticFlow seems to be a nice tool to have a good overview over the analysis. The same kind of mode is available in Orange and SAS Enterprise Guide. I have not tried it yet, though. Does anyone have any experiences with it?Update on 2010-07-31: the...
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Something to be excited about

January 21, 2010
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You have probably heard the news by now. SAS is ranked as the #1 best place to work by Fortune Magazine. You can read more about why SAS is ranked #1. But here's my story I have worked at SAS for a long time. Some of my best friends...
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Finding the Max Value In An Array

January 19, 2010
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The max() function makes it easy to find the maximum value in a SAS array. Given an array like:array x x1-x10;maxValue = max(of x);Pretty slick, eh? Remember, it doesn't return the position of the max element, just the max value.This can be pret...
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SaviCellsPro and Exciting Changes

January 16, 2010
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SaviCellsPro and Exciting Changes

Well, it was hectic week. I went back to work again (on a cool project) and spent a lot of personal time on SaviCellsPro. Specifically on a new utility that I think is pretty darn exciting.In the past, when you used SCP, you needed to write the XML for...
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PROC LOGISTIC: Traps for the unwary

January 8, 2010
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Have you had problems with PROC LOGISTIC? Maybe the solution is in this talk.
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Setting the HTML title tag in SAS ODS (the right way)

January 5, 2010
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In our department and various places on the Intertubes, SAS programmers set the HTML title tag (which sets the title in web browsers and on search engines) in ODS using the headtext option: ods html headtext="<title>My great report</tit...
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.NET Coders and the sas7bdat dll

January 5, 2010
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.NET Coders and the sas7bdat dll

I have been spending the last week working on how the interface to the sas dataset can be used by a .NET developer. It is of particular concern because once the initial dll is released, it will be hard to change it. Getting the interface 'mostly' corre...
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