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107 votes

4 answers

264k views

Relationship between poisson and exponential distribution

asked Aug 25, 2010 at 8:33

37 votes

2 answers

88k views

Interpretation of biplots in principal components analysis

asked Aug 23, 2010 at 9:48

18 votes

1 answer

21k views

Correlation of log-normal random variables

asked Feb 3, 2011 at 18:14

9 votes

3 answers

5k views

The expected value of random variable on tosses of a coin

asked Aug 11, 2010 at 5:17

9 votes

1 answer

4k views

How to derive Poisson distribution from gamma distribution?

asked May 9, 2011 at 9:05

9 votes

3 answers

48k views

Why does t statistic increase with the sample size?

asked Jul 31, 2011 at 15:15

8 votes

1 answer

848 views

Origin of strange formula for equilibrium standard deviation

asked Apr 9, 2011 at 11:29

7 votes

1 answer

3k views

Why are cumulative residuals from regression on stock and index returns mean reverting

asked Apr 9, 2011 at 23:24

7 votes

1 answer

10k views

What does $\beta$ tell us in linear regression analysis?

asked Apr 30, 2012 at 21:55

7 votes

1 answer

2k views

Tangency portfolio in R

asked Aug 15, 2010 at 3:10

6 votes

2 answers

4k views

Expected value of certain exponential transformation of standard normal variable

asked Mar 31, 2011 at 5:23

5 votes

1 answer

651 views

Why local martingale property is important in Girsanov theorem?

asked Mar 31, 2011 at 18:00

5 votes

3 answers

9k views

Why is a deterministic trend process not stationary?

asked Mar 29, 2012 at 6:05

5 votes

2 answers

2k views

Computing probability distribution function for uniform random variables and Y=1-X

asked Aug 25, 2010 at 8:22

5 votes

2 answers

8k views

Find range of possible values for probability of intersection given individual probabilities

asked Aug 30, 2010 at 0:54

4 votes

2 answers

11k views

Standardized Student's-t distribution

asked Mar 18, 2011 at 19:07

3 votes

1 answer

160 views

Interpretation of an integrable time series of an order zero

asked Apr 7, 2011 at 4:00

2 votes

1 answer

848 views

Expression for conditional density for ARCH processes

asked Mar 19, 2011 at 1:03

2 votes

1 answer

448 views

How to prove that preimage of measurable space is measurable?

asked Sep 1, 2010 at 7:09

1 vote

2 answers

282 views

Conditional expectation given number of outcomes

asked Aug 22, 2010 at 4:51

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20 Questions

Relationship between poisson and exponential distribution

Interpretation of biplots in principal components analysis

Correlation of log-normal random variables

The expected value of random variable on tosses of a coin

How to derive Poisson distribution from gamma distribution?

Why does t statistic increase with the sample size?

Origin of strange formula for equilibrium standard deviation

Why are cumulative residuals from regression on stock and index returns mean reverting

What does $\beta$ tell us in linear regression analysis?

Tangency portfolio in R

Expected value of certain exponential transformation of standard normal variable

Why local martingale property is important in Girsanov theorem?

Why is a deterministic trend process not stationary?

Computing probability distribution function for uniform random variables and Y=1-X

Find range of possible values for probability of intersection given individual probabilities

Standardized Student's-t distribution

Interpretation of an integrable time series of an order zero

Expression for conditional density for ARCH processes

How to prove that preimage of measurable space is measurable?

Conditional expectation given number of outcomes