Tweak PROC FASTCLUS for 1-Nearest Neighbor / Closest Match
In most table lookup tasks, we are doing EXACT matching. However, sometimes we are looking for closest match in the lookup table. By 'closest', we mean smallest Eucleadian distance: ||X-Y||2 Typically...
View Article"Entrywise" Norm calculation using PROC FASTCLUS
In some data mining applications, matrix norm has to be calculated, for instance [1]. You can find a detailed explanation of Matrix Norm on Wiki @ Here Instead of user written routine in DATA STEP, we...
View ArticleImplement Randomized SVD in SAS
In the 2010 SASware Ballot®, a dedicated PROC for Randomized SVD was among the options. While an official SAS PROC will not be available in the immediate future as well as in older SAS releases, it is...
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