I have been using R to calculate logistic regression with many independent variables for a Ruby on Rails web application. However, I can no longer import data from the database to R using RPostgreSQL. ...
I'm using rb-libsvm and the RBF kernel to make classifications. svm.predict(measurements) returns either -1.0 or 1.0. Is there a way to get a confidence for this ...
I am trying to model a system that generates events modeled by a Poisson process. I am using the following ruby code: ...
I am building ruby on rails (ActiveRecord) horse racing application. One of the features that I would like to include in the application is the ability to identify meaningful "Angles". For example, ...
This is also a question that relates very much to Python as a statistics workbench and excel as a statistics workbench. I know there is a huge discussion about Ruby versus Python but this is not the ...