search for: statisticaly

...rse college, to evaluate medical question forms. There are about 30 questions giving more than 110 parameters to describe each responding person's (gender, health etc.) and there are about 120 question forms to evaluate. I have basically 2 questions. 1. What to search for. 2. How to evaluate it statisticaly. As for No. 1. I have these ideas. To search for significant groups. Meaning, that i would like to find all "significant" groups that have a certain criteria in common. F.e. All men, that have a good doctor patient relationship. The idea is to fix 1,2,3,4 or five parameters f.e. white d...

...I want to permutate the following matrix and replace permutated columns. Is it possible to control the number of columns permutated. Let's say I only want to permute two columns. Can i do that with the sample method or should i any bootstrapping method ?? I'm not sure this is the best statisticaly way of doing it...?? So the idea behind is to ramdonly generate 1000 permutated matrices from the original data matrix and estimated the significance of each of the values. Any help would be extremely apreciated.. Here is the code i have so far... that works x <- matrix(1:10,nr=5,nc=6) >...