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>From time to time people request symbolic computations beyond what D() and deriv() etc can provide. A brief look at the internet shows that there are many more or less developed computer algebra packages freely available. Therefore, I wondered if it would be an idea to try to 'integrate' one of these packages in R, which I guess can be done in more or less elegant ways... I do not know

Hello, My name is Sivan and I am a master degree student in statistics,my problem is as follows: I have a dataset containing gene sequences and I would like to create a phylogenetic tree from it. The problem that I can't seem to find a function to do this kind of operation. I read the ape package manual and I haven't found a command that takes raw data and turns it into a tree. does anyone

Hi Everyone, I am trying to work with a routine that is from the IMSL called BSVLS. I have the file as a .dll file. I have been trying to call the routine using the dyn.load function. I am working on a 32-bit windows 7 OS with 3 GB. For some reason i still keep getting the error message LoadLibrary %1 is not a valid Win32 application I looked at previous posting and they were all related to