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Hi, I am running R 2.0.1.1. on Windows. It is a Dell Dimension with a 3.2 Ghz Processor and 4Gb RAM. When using the ReadAffy() function to read in 97 arrays, I get the below error messages: Error: cannot allocate vector of size 393529 Reached total allocation of 1024Mb: see help(memory.size) When I use the comman "memory.limit(size=4000)" to increase the memory size to the

Hi, I'm sure this is pretty straightforward, but I cant seem to figure it out after playing around with grid, and a number of other packages for graphing I have data of the following type (much larger of course, and in this case is named "Medoid4"). The first column defines the x-axis, while as each other column is individual y-axes in different plots gene1 gene2 gene3 4

HI, I am Angshuman a postdoc in Buck Institute, Novato, CA. I am using random forest in R. I have a problem. I have a training file and a test file. I need to generate model file to classify a set of data of the test file. I need to know the command for that. Please let me know. Thank you. Angshuman

Hi, I'm sort of a newbie to using R to deal with array data. I'm trying to create a simple filtering function, which outputs only the rows of a data frame that satisfies a specific criterion. I've set up an iterative loop to apply the condition to each row. I can create a new matrix and use rbind to fill it in row by row in the loop, before writing the whole matrix to file. But