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...ant, is it necessary to test these variables in a non-linear model? Since most of non-linear form of a variable can be represented to a linear combination using Taylor's theorem, so I wonder whether the non-linear form is also not statistically significant in such a situation. Best Regards Hsiao-nan Cheung 2008/10/08 [[alternative HTML version deleted]]

...y, and amongst the first of its kind in India: We follow a two tier strategy of delivering highly engaging and creative client projects on one hand, and developing innovative, ''Intrapreneurial'' Web, Mobile and Social applications, on the other hand. Nicholas Adams (UK) and Anthony Hsiao (Germany), the guys behind EnTrip, have joined forces with Yann Le Gouic (France), of Noredox and formerly at StudiVZ. We are expanding the existing team behind EnTrip to develop more innovative in-house and client products, to make a mark for Web-Innovation Made-in-India. SapnaSolutions - We Dare...

...be using in the step of building our model not evaluation. I try to think about the numFold=n in the evaluate_Weka_classifier may be this: randomly(but in proportion) to select data in the dataset then redo n times, then to evaluate the performance.Is this correct? Thanks. Best regards , Hsiao

Hello I'm running into a variety of limitations with my computer complaining that it doesn't have sufficient memory. It is a Dell Latitude D630 Duo Core CPU T7700 @ 2.40 GHz, with 3.50 GB RAM. I'm working with relatively large dataframes > dim(AllYears) returns 4071840 records with 13variables sometimes this complains that it can not allocate vectors of 16.0 Mb and will

...Econometrics"? In its Section 4.11, how does the last two equations' HAC calculate? I've tried several groups of parameters in sandwich::NeweyWest, but I still cannot get the same result. I've tried lag=2 and lag=3, as long as prewhite=FALSE and prewhite=TRUE yet, but... Sincerely Hsiao-nan Cheung

Hi everyone, I am attempting to connect an already existing mysql database with Rails. For This I can''t use the traditional "generate scaffold" and "rake db:migrate" because (I think), I''ll loose the data already existing in that database table. So what I did was, I generated a scaffold for my table, and instead of running db:migrate, I added a

Hi guys, I am really new to these things like ROR and Postgres. When I was installing ROR 3.0 it says Successfully installed rails 3.0.0 beta 1 gem installed Installing ri document for rails 3.0.0 beta File not Found: lib This is the one which I really dont understand and dont know what to do? Help me out guys plz... And I want to configure the database with postgresql and I want to know how

Hello everyone, I would like to eager load scoped records to avoid queries executed in a loop (huge performance impact). The "scoped" part is what is giving me a hard time. I''m using Rails3 RC. Does anyone have any idea how I can do it? Here is a test case : we have an "Article" and a "Comment" Activerecord models, article has many comments comment