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Ram Ahluwalia
  • Member for 13 years
  • Last seen more than 11 years ago
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About

Ram Ahuwalia

CEO of Lumida We love research analysts, CFAs, quants and hire the best of the best! Send your resume to [email protected].

Previous roles: Fixed income credit portfolio decisioning at a major bank/broker-dealer, Management Consulting in Financial Services, Columbia Economics, and Machine Learning. Live and work in NYC.

All posts and comments represent my views and not that of my employer.

My favorite answers:

How do you mix quantitative asset allocation with qualitative views?

Empirical or theoretical insights that have shaped your thinking

Why is the first principal component a proxy for the market portfolio?

How do I graphically represent the evolution of a covariance matrix over time?

Which approach dominates? Mathematical modelling or data mining?

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Top posts
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question
41
Measures of similarity or distance between two covariance matrices
Aug 23, 2011
question
36
What are some useful guidelines for GBM parameters?
Apr 3, 2012
question
31
Testing for linear dependence among the columns of a matrix
Oct 1, 2011
question
23
Caret re-sampling methods
Oct 27, 2011
question
16
Is there a way to disable the parameter tuning (grid) feature in CARET?
Feb 27, 2012
question
15
Constrained Optimization library for equality and inequality constraints
Dec 14, 2011
question
10
Regularization $L_1$ norm and $L_2$ norm empirical study
May 15, 2012
question
7
Calculating the transfer entropy in R
Jun 30, 2011
question
7
Is there an R optimization package that can handle integer constraints and non-linear objective functions?
Jul 14, 2011
answer
6
Incorporating seasonality into CART models
Jul 18, 2011
Top network posts
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89
In a competitive market, why is movie theater popcorn expensive?
48
What is the best way to "fix" a covariance matrix that is not positive semi-definite?
43
Which approach dominates? Mathematical modeling or data mining?
38
Which approach to estimating fundamental factor models is better, cross-sectional (unobservable) factors or time-series (observable) factors?
37
How do you mix quantitative asset allocation with qualitative views?