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Hi, This is quite simple data manipulation task and I need help for it. I want to make new factor variable that is an aggregation of an existing factor. This works as I intended: X[Y == "original label"] <- " new label...
Hello everyone, I have estimated system of three linear equations with one non-linear restrictions with nlsystemfit. I was wondering how I can calculate the R-squared (or some alternative coefficient of determination) for the whole system. This is automatically...
Hello, I encountered problem with Linux machine (openSUSE, 3.1.1. version of R) while I tried to update the packages with update.packages(). Rcpp, RcppArmadillo and RcppEigen refused to compile because record-gcc-swtiches was missing. I don't...
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