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Tejamoy Ghosh
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  • Delhi NCR (Gurgaon)
  • India
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Tejamoy Ghosh's Discussions

Recession an Analytics Job Market

Started this discussion. Last reply by JaakP Aug 14, 2009. 11 Replies

 

Tejamoy Ghosh's Page

Latest Activity

Tejamoy Ghosh replied to ratheen chaturvedi's discussion Creating a big data set from a small data set for logistic regression
"In that case, what you can do is: Create a linear combination of the variables (predictors), say, LC = a+b1*x1+...+bN*xN a, b1,...bN being known numbers (as opposed to parameters to be estimated). For example: LC = 12.64+0.32*x1+...-0.987*xN Crate…"
Jul 25, 2013
Tejamoy Ghosh replied to ratheen chaturvedi's discussion Creating a big data set from a small data set for logistic regression
"One possible way to simulate values for the dependent variable can beto use a conditional distribution estimated from the small data you have. This is somewhat extending Ralph's recommended method of using a suitable joint distribution to…"
Jul 25, 2013
Tejamoy Ghosh commented on Vincent Granville's blog post Famous Mathematician Makes Stock Market Predictions
"Is it not like ... since such a well known deadly omen's sitings has been publicised and it has also been publicised that many people are exiting the market, many more will tend to follow suit - and this herd behavior itself will fulfill the…"
Aug 27, 2010
Tejamoy Ghosh commented on Randy Bartlett's blog post Where Should We Place Statistics Within The Corporation?
"I agree with Paul. Analytics can be a powerful device for the high-level decision makers when used optimally incoprorating all aspects of a business. For instance, if marketing wants to show good numbers by acquiring any customer it can without any…"
Jun 21, 2010
Tejamoy Ghosh replied to Tejamoy Ghosh's discussion Should we revisit our models now in the group Risk Management
Apr 28, 2010
Tejamoy Ghosh replied to Lou Bajuk-Yorgan's discussion What sort of challenges have you faced bringing R into your organization? in the group R-Project and Other Free Software Tools
"Memory limitations - the most frequent questions I faced boil down to the one on how well it handles operations on large dataset (most often over a few million records)."
Mar 18, 2010
Tejamoy Ghosh added a discussion to the group Risk Management
Thumbnail

Should we revisit our models now

I've noticed that some people are insisting on continued use of the existing predictive models (in both marketing - e.g., acquisition, cross/up-sale models, and survival models for LTV estimation and risk practices - e.g., PD models, survival models for time to default estimation), that were in place before 2008/the latest recession. As expected, I've also noticed some major change in distribution of certain important variables (e.g., expendture under different spend-categories, loan…See More
Mar 9, 2010
Tejamoy Ghosh replied to Vincent Granville's discussion Which course did you enjoy most at University?
"Game Thoery: It did help develop a nice structured and logical approach towards problems - extremely helpful in strategic thinking Econometrics (both Theoretical and Applied) : It appealed because of it's ability to discern useful information…"
Mar 9, 2010

Profile Information

Field of Expertise:
Finance, Marketing Databases, SAS, Other
Professional Status:
Manager
Interests:
Finding a New Position, Networking, New Venture, Recruiting, Other

Comment Wall (9 comments)

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At 11:57pm on May 4, 2009, Kylie said…
At the time of financial crises we need to come together united and try to solve the problems which are responsible for such a hazard. We need to overcome it. It is meant to bring calm to the population and markets and display government strength and stability. In our contry jobs are cut in the in the number of millions, In our country many bad elemts of the society teaching youngsters the Directions for how to play craps games and start ruining their life and those innocent youngsters are misleaded by those.
At 6:13am on August 4, 2008, sammy said…
Hi,
Thanks a lot. Sure, I will share with you any problem in SAS I am comming across.
At 10:25pm on August 3, 2008, sammy said…
Hi,

I am not comfortable in SAS. I am still trying my hand in SAS. But our team did it in MATLAB. I provided them the SVD algorithm. How is your work going?
At 5:19am on July 30, 2008, sammy said…
Hi,

I did. Algorithm is ready and It is now at the implementation level. I am trying to tag the keywords and put thm into the DB.
At 12:48am on July 16, 2008, Rajkumari Gooptu said…
Hi Tejamoy,
Would you consider a senior analyst role in a Bangalore based start up in the Web 3.0 technology space and the media domain ; I have posted the job in the discussion forum page ,
regards
Rajkumari
At 11:58pm on July 3, 2008, sammy said…
User has the option of giving us the keyword
At 4:12am on July 3, 2008, sammy said…
Well the scenario is pretty stright forward. A client has the job of manually inspecting and recoding the defects in some of the installed structure across the golbe. Field staff will go and collect the data and they will be providing data ina semi structured form. Goal is to find keywords and store in the predefined DB.
At 3:51am on July 3, 2008, sammy said…
Thanks for your reply. I am strugling to apply my experience in statistics to this area. Once I find someone in this area who is knowledgable than surely I will let you know.
At 12:59am on July 3, 2008, sammy said…
Hi Tejamoy,

Any hands on experience in text mining? Please help me understand this topic better.
 
 
 

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