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…
Implementing Gap statistic for clustering number estimation
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…
R AnalyticFlow
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…
Something to be excited about
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 work here…
Finding the Max Value In An Array
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…
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…