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Is Collaborative Filtering available in R? It seems I could not find any R package implementing Collaborative Filtering? Thanks! -- View this message in context: http://r.789695.n4.nabble.com/R-Collaborative-Filtering-tp2249934p2249934.html Sent from the R help...

> .Machine$sizeof.pointer [1] 4 -- View this message in context: http://r.789695.n4.nabble.com/64-bit-R-on-64-bit-Windows-box-Still-not-enough-memory-tp2315742p2316493.html Sent from the R help mailing list archive at Nabble...

Thanks! But how could I find out their names on Amazon EC2? -- View this message in context: http://r.789695.n4.nabble.com/Looking-for-an-image-R-64-bit-on-Linux-64-bit-on-Amazon-EC2-tp2338938p2357731.html Sent...

sorry I opened a previous R version. Here is my 64-bit R session - > .Machine$sizeof.pointer [1] 8 -- View this message in context: http://r.789695.n4.nabble.com/64-bit-R-on-64-bit-Windows-box-Still-not...

How to install R on Linux via source compilation? Has anybody done it? I could not find step by step instructions online. I would appreciate if you could share your experience. Thanks. -- View this message in context: http://r.789695...

>> You have a 64 bit Linux? If so... >>Dowload the sources Do you mean download Linux kernel source code and then compile it on Amazon EC2? -- View this message in context: http://r.789695.n4.nabble.com/Looking-for-an...

Thanks. Marc! I tried using 'sudo yum install R' - but got the following error -- $ sudo yum install R Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile Setting up Install Process No package R available. Error: Nothing to do...

I have found an existing image on Amazon EC2 including R. But unfortunately, it is 32-bit R on 32-bit Linux. Does anybody know if there exists an mage (R 64-bit on Linux 64-bit) on Amazon EC2...

I am comparing kknn and logistic regression for binary outcome prediction - For kknn, I can do - kknn_<-kknn(out_come ~ age + gender , learn_, valid_) fit<-fitted(kknn_) table(valid_$out_come, fit) to get validation results in cross-tabulation. --------- For...

Have anybody used Decision Tree in Python or C++? (or written their own decision tree implementation in Python or C++)? My goal is to run decision tree on 8 million obs as training set and score 7 million in test...

I have written a function (see below) which encloses a boxplot. My function "xbox" takes in a variable name (such as "age"), and do a boxplot. Now I would like to add a title for the graph dynamically displaying the...

Currently, we have developed an R package for our company's internal use (at least for now). I have successfully built the package and generated zip file which can be easily installed. However, I am not sure how to generate...

I am using PROC LOGISTIC to model binary outcomes. I have observed Y (1 or 0) from original data. I also have got predicted probability for each observation (i.e. predicted probability of event Y=1) from PROC LOGISTIC. Let...

R version 2.8.1 (2008-12-22) on Linux 64-bit I am trying to run 'rulefit' function (Rule based Learning Ensembles). but I got the following error - > rulefit(x,y) Warning: This program is an suid-root program...

I am trying to figure out why 'biglm' can handle large data set... According to the R document - "biglm creates a linear model object that uses only p^2 memory for p variables. It can be updated with more data...

I am trying to install R on Linux (Redhat 4). But 'yum' does not seem to work... thanks for your help/hints/suggestions in advance! ------------ $ sudo cat /proc/version Linux version 2.6.34.6-54.24.amzn1.i686 (mockbuild...