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Hello all, Quick question, I''m using AAF and the following custom analyzer: class StemmedAnalyzer < Ferret::Analysis::Analyzer include Ferret::Analysis def initialize(stop_words = ENGLISH_STOP_WORDS) @stop_words = stop_words end def token_stream(field, str) StemFilter.new(StopFilter.new(LowerCaseFilter.new(StandardTokenizer.new(str)), @stop_words)) end However when

Hey all! We''ve been using Ferret to great success these past six months. But recently we''ved tried adding many new ContentItems (only thing being index by Ferret at the moment), and things came crashing to a halt. ferret gem: 0.10.9 acts_as_ferret plugin (not sure which version) How we''re using the plugin: class ContentItem < ActiveRecord::Base acts_as_ferret

Dear R fans, I am trying to do step-wise linear regression using the F-test to decide which variables to admit. Ewout Steyerberg suggests using the F-test for this purpose. I first build a model using no variables using lm(y ~ 1) and then using one variable that is a strong predictor using lm(y ~ x). When I call var.test on these two models, I do not get a significant p-value—0.07. But a summary of the second m...

Ok, first up, I''m a Rails newbie. My site is hosted on godaddy.com Godaddy has the Ferret GEM installed by default. They do not have acts_as_ferret installed so I can''t use that. I''m trying to follow the tutorial on the Ferret wiki http://ferret.davebalmain.com/trac/wiki It includes all of the code I need, but it doesn''t tell

I am going to re-ask a question that has been asked a few times in the past. What is the best way to represent an undirected self-referential many to many relationship. Trivial examples of this include an edge in an undirected graph, or a mutual friendship. Alice is a person Bob is a person Alice and Bob are friends of each other We have a whole bunch of extra information about their friendship

Dear All, Suppose that you are trying to create a binary logistic model by trying different combinations of predictors. Has R got an automatic way of doing this, i.e., is there some way of automatically generating different tentative models and checking their corresponding AIC value? If so, could you please direct me to an example? Thanks in advance, Paul

Hi everyone, We''re running a fairly heavily used Rails app that uses ferret (and acts_as_ferret) for search. We''re running on mongrel+Apache, Ruby 1.8.4, and ferret 0.10.13. We''re indexing a handful of attributes on our "Image" and "User" models. After the system has been running for several days, the index gradually becomes corrupted, and ferret