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Dear Rlisters, When trying to indicate which data belong to which of 7 groups, the following plot shows only 5 groups: ss <- trellis.par.get("superpose.symbol") ss$col <- c("red","blue","green","yellow","orange","magenta","cyan&q...

Dear Rlisters, I'm writing to ask how to manipulate a matrix or dataframe in a specific way. To elaborate, let's consider an example. Assume we have the following 3 by 4 matrix A with elements either 0 or 1, 0 1 1 0 1 0 1 1 0 0 0 1 >From the original matrix A, I'd like to generate a ne...

Greetings RListers, I have a data set containing two types of outcomes; success and failure. Associated with each outcome are 12 different measurements. I'm trying to find out, for example, if some of the 12 measures are associated more with success or failure or, if there's any relationship at all betwee...

Hello, Rlisters I have to compute p-values that are on the tail of the distribution, P-values < 10^-20. However, my current implementations enable one to estimate P-values up to 10^-12, or so. A typical example is found below, where t is my critical value. ########### example - code adapted from Rassoc ###...

Dear Rlisters: I would personally disencourage to answer this letter and ,in my opinion, I would advise to reject from the list further mails like this one. They scam people through their VISA numbers. These emails from Nigeria are sadly familiar to an association that I belong (the Institute of Food Technolo...