search for: rishabh

Hello Rishabh, As per our previous discussion, we will talk each week now about the project. Please update the timeline/todo/journal accordingly so that we can check the status on this saturday for this week. Please remember that this half of the programme is smaller and hence we would need to be very punctual...

Hi Rishabh, As per our last progress meeting, I am off for some days and as now its the time to mid-term evaluation, it would be better to generate a progress report. For that, you should first commit the code as it is and then write 2 to 3 page summary explaining the deliverables so far and then the future...

Hi Rishabh, I had this feeling before. This is a really nice idea BUT we can not go ahead with the project which is still not tested in the experimental settings. Though it may be a wonderful research exercise, I would still vote to go for the state-of-the-art methods which are completely published with full...

...1. As I understand, when you calculate the principle components of a data set through correlation as < princomp( dataset, cor=T ) > then a similar calculation is performed. I would like to know how I can perform such a calulation directly. Any help would be greatly appreciated. Many Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

...e (there would be a different classification rule for each grouping variable). Can anybody explain what is the best way of doing this in R. What is the best package/function that would enable me to perform classification analysis. Any help would be greatly appreciated. Many Thanks For Your Help! Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

Hi Rishabh, I think its better not to expose RankiList to Letor.h and make it better user friendly. So my suggestion is to convert RankList to the following statement in this method. std::map<Xapian::docid, double> letor_score(const Xapian::MSet & mset); So just convert the RankList in std::map&l...

...if so how? Also, could somebody please tell me the difference between the aov() function and the anova() function. I've been using aov() so far and it seems to work fine. Could somebody tell me what the difference is and which one is better. Any help would be greatly appreciated. Many Thanks Rishabh

...creen, however when I use dev.copy2eps(file="FILENAME.eps") to save to the eps file, the margin has returned. Could someone please tell what I am doing wrong, should I be using different parameter to set the margins of the eps files. Any help would be greatly appreciated. Many Thanks Rishabh __________________________________________________ It's Samaritans' Week. Help Samaritans help others. Call 08709 000032 to give or donate online now at http://www.samaritans.org/support/donations.shtm

Hello Rishabh, The attached diff file should help you to refactor the existing letor code and plug in your code easily. I have defined the header files with the necessary flow. I have also specified the ranker class, which should be implemented by a new LTR models, ListNet and ListMLE in your case. The evaluati...

...or any other equivalent 3d plotting function. I understand that this would be a difficult task since there are 'no spare dimensions' but for example could the function differentiate between different groups using colours or find clusters Any help would be greatly appreciated. Many Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

Hi Rishabh, I took some time out in the recent days to work on the refactoring. And now it looks like I have included all the files necessary for the complete code. I am sure if it will be quite easy for you now to start with the new code. I would like you to complete it by implementing (copy/paste/little mo...

...have an 'a': X[pat = "a"] I know that the 'pat' option can be used when just listing all the object that exist, but is there any way to extract only certain dataset from within an object using a smiliar technique. Any help would be greatly appreciated. Many Thanks! Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

...olour on the plot so that they could be seen more clearly. I'm not sure whether such a function already exists within R or whether it would have to be written. Either way, I would appreciate it very much if somebody could help and give me some advice as to how I can achieve this. Many Thanks Rishabh __________________________________________________ Everything you'll ever need on one web page from News and Sport to Email and Music Charts

...H ERRORS are: d[,105] [1] 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Can anyone suggest a workaround for this problem. Your help would be greatly appreciated. Many Thanks For Your Help Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

...r, denominator). Value closer to 1 suggest that there is not much variation and hence the variable is not discriminant. The values that I actually get in R are sometimes less then 1. Should it be like that, have I just understood it wrongly? Any Help Here Would Be Greatly Appreciated! Many Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

Hi, Could somebody explain to be the different between the panel and the subpanel parameter in the cloud function of the lattice library. I'm not sure when to use which. Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

...e anyway that I can get the function to just ignore this error since there are some variables that are not constant within the groups. As far as I am concerned, the results are not an error and are just part of the data. If anyone could help me with this it would greatly appreciated. Many Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat...

...mary(lm(x~y)) and measure the f value or t value. Will that give me some kind of dependency measurement between the two variables. Essentially, i want to measure the deviation for a best-fit line between the two variables. I hope it makes sense. Any help would be greatly appreciated. Many Thanks Rishabh -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at sta...

...e/she could use additional features, the feature extraction module could be plugged in. Same for rank aggregation. *Relevant Background:* I have worked on few research oriented projects in Machine Learning, but most of them involved coding in Matlab/Java. More details about me: [link<http://www.rishabhmehrotra.com/index.htm> ]. I have been working on a project on Topic Modeling(using Latent Dirichlet Allocation) for Tweets. Link <http://code.google.com/p/tweettrends/> of the code on Google code. Also, I am involved in a collage project on building *focused crawler *& extending it to...

...d here ( http://www.linkedin.com/profile/view?id=79832898&trk=tab_pro) I am interested in "Learning To Rank" project. If I am not wrong, I found the framework incorporated by Parth in the cloned code. It needed some refactoring in order to incorporate more algorithms and was done by Rishabh and available in his git repo (https://github.com/rishabhmehrotra/xapian) but is still not merged. So, I assume I should think of additions to the code in Rishbh's repo. Moreover, I noticed that SVM-rank, ListMLE and ListNet is already present in the code. I am interested in addition of a rando...