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...ue how to do... and I've only used the simplest PCAs before, like this: pcaObj=prcomp(t(df[idx, c(40:47)])) biplot(pcaObj) Anyone who knows how to do? Best rageds, Joel _________________________________________________________________ Hitta hetaste singlarna på MSN Dejting! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...) # Search for missing value in the given position { X[j,i]=mean(X[1:p, i]) # Change missing value to the mean of the column } } } All the best, Joel _________________________________________________________________ Hitta hetaste singlarna på MSN Dejting! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...na(exprdata)) But is there a shorter way to remove the rows based on "(1-freqNA)>0.1" than looping through the whole matrix using a for loop? All the best, Joel _________________________________________________________________ Hitta kärleken i vinter! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...at limits can be used in a similar manner as with xlim and ylim, but though I've read about them I don't understand how to solve it... Anyone who can help me? All the best, Joel _________________________________________________________________ Hitta hetaste singlarna på MSN Dejting! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...plot(a$X, main = "Pre-processed data") plot(a$X%*%a$K, main = "PCA components") plot(a$S, main = "ICA components") } Best regards, Joel _________________________________________________________________ Hitta kärleken i vinter! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...d and there are 20 additional non-numerical columns in the data frame. By the way, can the iterations be made using R, or do you have to combine with for instance Perl? All the best, Joel _________________________________________________________________ Hitta hetaste singlarna på MSN Dejting! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...smallest value in the dataset col[col == NA] = (min.val / 10) # Doesn't work... col # Column index } Does any of you have any suggestions? Best regards, Joel _________________________________________________________________ Hitta kärleken i vinter! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...3 76.3 106 number <-- exclude 7 24 76.9 175 low . . . I really hope someone could help me, though you might think it's too easy... Best regards, Joel _________________________________________________________________ Hitta kärleken nu i vår! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

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...t sure how it works. Furthermore, I'm not sure how to deal with the evaluation of the results, are there any other factors I should consider, such as R square etc? All the best, Joel _________________________________________________________________ Hitta kärleken i vinter! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

...how do you decide how many components to use in "text(... labels=cutree(hcl,8), ...)"? Do you try with different values until i looks nice or what..? Best regards, Joel _________________________________________________________________ Hitta kärleken i vinter! http://dejting.se.msn.com/channel/index.aspx?trackingid=1002952 [[alternative HTML version deleted]]

Hi all. I would be very pleased if someone could help me, as I do not seem to get the different branches of my tree painted in different colours. The closest I get is colouring the names of my samples(=names of the branches). Here is the code. data <- read.table(file = "S://SEDIM//TRFLP//B12.5_50-700bp.txt" , as.is = TRUE, header = TRUE, sep = "\t", row.names =