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...nfidence interval, and proportions using the Cluster Sample Analysis technique. For those familiar with Cluster Sampling, this dataset has ~ 30 clusters. This is a very straightforward job, and I think it should be easy for someone who's familiar with R coding. More on Cluster Sample: http://stattrek.com/Lesson6/CLSAnalysis.aspx Start Date: ASAP End Date: 1/30 at the latest. ASAP perferred. If you are interested, I would greatly appreciate your help. Please email me, I will send you the sample input and output files, and you can then decide if you want to take the job. For those interested i...

Hi all, I have been searching all sorts of documentation, reference cards, cheat sheets but can't find why R's crossprod(A, B) which is identical to A%*%B does not produce the same as Matlabs cross(A, B) Supposedly both calculate the cross product, and say so, or where do I go wrong? R is only doing sums in the crossprod however, as indicated by (z <- crossprod(1:4)) # = sum(1 +