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Raghu Chittari
  • Hyderabad,Andhra Pradesh
  • India
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Raghu Chittari's Discussions

Queries : Random Forests

Started Jul 12, 2016 0 Replies

Hello All,I am building random forest on employee churn data where %events(churns) is 8%.Is there any upper cutoff on the number of trees  I mention in the RF command?Which accuracy metric should I…Continue

Market Mix Models : Confidence in coefficients

Started Jun 19, 2016 0 Replies

In market mix models, my sales(y) depends on 4 promotions(p1--p4). Let (b11, b21, b31, b41 ) be the coefficients of p1--p4 in one iteration and (b12, b22, b32, b42 ) be the coefficients in the second…Continue

Tags: effects, model, random, attribution, mixed

How to Define ordinal variables in SAS?

Started this discussion. Last reply by Raghu Chittari Feb 13, 2016. 2 Replies

Hello All,I need help in defining ordinal variables in SAS. I have age buckets given for each person. Say 26 Years-30 years as bucket 1, 31 years to 35 years as bucket 2, 36 years to 40 years as…Continue

Tags: SAS, Variables, Ordinal

Queries in modeling

Started Dec 29, 2015 0 Replies

Hi all,I am from engineering background. I would require your help in certain modeling concepts. Your help would be greatly appreciated!Following are my few questions...If a variable which is…Continue

Tags: P-Value, Regression, Logistic, Modeling, Statistical

 

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Field of Expertise:
Business Analytics, Predictive Modeling, Data Mining, Operations Research, Quant
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