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Manish's Groups
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Manish's Discussions
two-stage models to improve response prediction
Replied Aug. 14, 2009
How to prevent scores from caking in scoring models?
Replied Mar. 16, 2008
Credit Card Analytics
Started Mar. 11, 2008
Right question at the right time holds the key !
Profile Information
- Short Bio:
- Hi,
This is Manish, presently working with American Express and is a part its analytics (econometric modeling and marketing analytics) division. My core purpose of being here is to discuss issues related to my (rather OUR-- if you are in the same arena) work area and meet people with diverse set of research / industry experience.
Areas in which i specialize -- Econometrics/ Time Series Forecasting, Derivative Markets and Credit Card Analytics (Marketing/ Collections/ Fraud/ Operational Analytics).
In terms of my education i hold a masters degree in economics (and love to discuss this subject).
What else -- personal ??? Ok i stay close to my work, presently located in India, love playing badminton, read lot of stuff on economics and try understand human (specially kids) psychology.
For more : http://www.linkedin.com/in/manishigidr
- Field of Expertise:
- Finance, Marketing Databases, SAS, Statistical Consulting, Other
- Interests:
- Finding a New Position, Networking, New Venture, Recruiting
- Your Company:
- American Express
- Industry:
- Card Analytics
Latest Activity
A bit late to the table...One-class classification aka novelty detection might be worth a look at. There is a package called DD_Tools for Matlab, it contains a number of one-class classifiers including SVDD. 2 researchers active in this area are Dav…
Any thoughts on claims fraud modeling ?
"...a form of bootstrap sampling to boost your rare event cases higher for development purposes "
Have you considered adaptive methods (e.g Gradient Boosting aka Salford System's "Tree Net")?
Manish - something like your problem happened in Basel II Credit Risk analysis. About 2005, the financial regulators in Europe and US realised their rules would require banks to produce a probability of default model for some loan portfolios that in…
Hello,
I am not sure if this is the right place to ask this question but I am currently working on Supply chain Disruption Management. Specifically, I would like to model the impact of very low frequency but high impact events analytically - Not in…
You likely want to do Poisson or better, engative binomial regression. See my book:
Hilbe, Joseph M. (2007), Negative Binomial Regression, Cambridge University Press
I give a rather lengthy discussion of how this differs from logistic regression in…
Actually, you can model pretty much anything with a low incidence rate even less than 1 in 500. Believe it or not straight statistical methods like logistic regression or any other algorithm of your choice can handle this type of problem without too…
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Cheers!
Ronnie
Which city are you loacted.??