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Sharath Dandamudi
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Sharath Dandamudi's Discussions

Reasons behind deterioration of r squared for an OLS model over a period of time

Started Nov 16, 2011 0 Replies

Hi!,I am working on a project which involves investigation of deterioration in R squared over a period of time for an OLS model. I am wondering how to approach this problem considering the fact that…Continue

Computation of Weight of Evidence when either the number of bads or goods in a class of a variable is 0

Started this discussion. Last reply by kiran chapidi Dec 11, 2012. 3 Replies

Hi All!I want to understand the ways in which Weight of Evidence (WoE) is computed or adjusted in the following scenarios: 1. When number of goods in a class of a variable is 02. When number of bads…Continue

Pros and cons of Dummy variable vs WoE approach for variables in Model building

Started this discussion. Last reply by Sandeep Sunkara Mar 24, 2012. 4 Replies

Hi! I need inputs on the pros and cons of building a log-reg model using dummy variables instead of the Weight of evidence approach for categorical variables. Some of the cons that I can think of…Continue

Books or Reference material for FRAUD & RISK ANALYTICS

Started Apr 5, 2011 0 Replies

Hi!, Can anyone suggest titles of books or reference material found on the web for FRAUD & RISK ANALYTICS? Regards,SharathContinue


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Predictive Modeling, Data Mining, Statistical Programming
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Data Mining analyst
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