[R] Clustering for social/complex networks

Hi group, Here is another clustering question. Is there anything available in R that I can cluster groups with overlaps? It looks like a Venn Diagram with two or more circles overlapping one another. I realize that Hierarchical Clustering (hclust in Stats) only group individuals into

[R] Clustering Question

Hi group, My case has N physicians with each seeing M patients. One physician could have seen a group of patients, or, a patient could have been seen by multiple number of physicians. In order words, there are overlaps. Now, I have the following NxM matrix Patient#1 Patient#2

[R] Combine vector of different length

Hi group, Is there a quick way to cbind vector of different length? I should have checked out the previous postings but somehow I can't access the list from CRAN website. Thanks for your help. Regards, Kelvin __ R-help@stat.math.ethz.ch mailing

[R] Nested Logistic Regression

Hi group, I did a quick search in the archive but still couldn't find a function that performs nested logistic regression. Please point me in the right direction. Thanks a million! Regards, Kel __ R-help@stat.math.ethz.ch mailing list

RE: [R] gbm (Kelvin Lam)

I have got some help from Greg during the course of my boosting procedure. I maybe able to help out. What exactly are you looking for? Message: 46 Date: Fri, 4 Mar 2005 12:07:06 -0600 From: WeiWei Shi [EMAIL PROTECTED] Subject: [R] gbm To: R-help@stat.math.ethz.ch Message-ID: [EMAIL PROTECTED]

[R] gamm with correlation structure question

Dear group, I am trying to use gamm() in mgcv. Here's the scenario. The data frame has approx. 110K observations with information on paediatric readmission binary outcome (Y/N) and total volume of their most responsible physician as the covariate. Since any physician can have multiple