Mathematics
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Alecos Papadopoulos
  • Member for 8 years, 10 months
  • Last seen more than a week ago
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About

PhD in Economics with a heavy dose of, and a not-so-secret love for, Econometrics and Statistics. The PhD thesis is a monograph on the Two-tier Stochastic Frontier model/framework, "The Two-tier Stochastic Frontier (2TSF) framework: Theory and Applications, Models and Tools".

https://alecospapadopoulos.wordpress.com/

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All Questions Answers
Score Newest
answer
68
Why the sum of residuals equals 0 when we do a sample regression by OLS?
Sep 17, 2013
answer
49
how to derive the mean and variance of a Gaussian Random variable?
Oct 9, 2013
answer
38
Identity for simple 1D random walk
Jan 8, 2014
answer
28
Derivation of the density function of student t-distribution from this big integral.
Aug 31, 2013
question
16
Non-zero Conditional Differential Entropy between a random variable and a function of it
Jul 28, 2013
answer
15
How to prove $\int_0^1\tan^{-1}\left[\frac{\tanh^{-1}x-\tan^{-1}x}{\pi+\tanh^{-1}x-\tan^{-1}x}\right]\frac{dx}{x}=\frac{\pi}{8}\ln\frac{\pi^2}{8}?$
Dec 9, 2013
answer
11
Why would I use Bayes' Theorem if I can directly compute the posterior probability?
Aug 30, 2013
answer
11
Why the expected value of the error when doing regression by OLS is 0?
Sep 18, 2013
answer
11
What is the difference between a random vector and a stochastic process?
Nov 17, 2013
answer
10
Teaser or fun calc equation to surprise husband (physicist/EE) at work
Sep 12, 2013
Top Meta posts
0
2
15
Is it OK to answer a question with a higher level of mathematics than I expect the OP to know?
4
Should full solutions be given (indiscriminately of the question being homework or not)?
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126
Mutual information versus correlation
123
Subscript notation in expectations
74
Dealing with a PhD student reneging on an agreement to appear in social media
56
Please explain the waiting paradox
56
Fundamental equations in economics

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