search for: bandyopadhyay

...ut the values that are repeated from the unique list of characters in x (i.e. y<-c("a","b")). One method can be to use a loop on the which function but that would be too time consuming. Any hint on using the apply function effectively would be useful Thanks and Regards Souvik Bandyopadhyay Lecturer, Dept of Biostatistics, Indian Institute of Public Health, Hyderabad [[alternative HTML version deleted]]

Hi Can anybody please suggest me about the documentation of "factanal.fit.mle()" (Not factanal()------ searching factanal.fit.mle() in R always leads to factanal()). Is there any function for doing principal component factor analysis in R. Regards Souvik Bandyopadhyay JRF, Dept Of Statistics Calcutta University [[alternative HTML version deleted]]

...s procedure for many data frames and nearly all the data frame contains approximately 15,000 repeated characters with more than 12,500 unique characters. Using the above code in a loop is taking a considerable amount of time to compute. Can anybody suggest me of a faster approach? Regards Souvik Bandyopadhyay Research Fellow, Dept Of Statistics Calcutta University [[alternative HTML version deleted]]

I have a data matrix with genes as columns and samples as rows. I want to create all possible gene ratios.Is there an elegant and fast way to do it in R and write it to a dataframe? Thanks for any help. Som. -- View this message in context: http://r.789695.n4.nabble.com/Calculating-all-possible-ratios-tp4627405.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML