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Hi All, Are there any best practices on R Server Sizing Guidelines? Especially around CPU to Memory Ratio and SDD Disks on the Server? Thanks, Manish CONFIDENTIAL NOTE: The information contained in this email is intended only...{{dropped:11}}

Hi, Using the sink we can redirect the output to sink files set as con. However is there a way to do both - Have the Op printed on screen and also to the log file? Thanks, Manish CONFIDENTIAL NOTE: The...

Hi All, For Binary Classification / Logistic Regression Models, Is there a specific preference or standard of what metric to be used for comparison of 2 models, especially when the model types are different - e.g logistic regression vs svd vs...

Hi, In glmnet, while using a matrix as an input, I get an error of NA's introduced by coercion. However in the input there is no NA value. cvfit = cv.glmnet( x = mat1, y = train$response,family="multinomial", type...

Hi David, I did search SO and R-Help Archive. But I haven't got the parallel option. It either prints on screen or logs to the file. Thanks, Manish -----Original Message----- From: David Winsemius [mailto:dwinsemius at comcast.net...

Hi, I have a dataset with approx 400K Rows and 900 columns with a single dependent variable of 0/1 flag. The independent variables are both categorical and numerical. I have looked as SO/Cross Validated Posts but couldn't...

Hi, I am trying to use caret, for feature selection on glmnet. I get a strange error like below - "arguments imply differing number of rows: 2, 3". x <- data.matrix(train[,features]) y <- train$quoteconversion_flag > str(x) num [1...

Thanks Ulrik. The answer was there in the forumn. Apologies. Also got an interesting solution - http://www.r-statistics.com/2010/05/helping-the-blind-use-r-by-exporting-r-console-to-word/ Thanks, Manish From: Ulrik Stervbo [mailto:ulrik...