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hi, I have a dataset (the netflix dataset) which is basically ~18k columns and well variable number of rows but let's assume 25 thousand for now. The dataset is very sparse. I was wondering how to do kmeans/nearest neighbors or kernel density estimation on it. I tired using the spMatrix function in "Matrix" package. I think I'm able to create the matrix but as soon as I pass

Hi, Can the plenty of analytical functions provided by base R and contributed packages be called with ff objects as parameters directly, or do we have to write special version of the functions for ff objects? If it is the latter case, is there a list of functions which support ff objects already. Xiaobo.Gu [[alternative HTML version deleted]]

hola a todos, Me gustaria saber qué haceis cuando el dataset para trabsjar es tan grande que R no lo soporta. Lo troceo con alguna otra herramienta? Cual? Gracias y feliz año! Victoria > _______________________________________________ > R-help-es mailing list > R-help-es en r-project.org <javascript:;> > https://stat.ethz.ch/mailman/listinfo/r-help-es > -- Enviado con