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mpiktas

Vilnius, Lithuania

vzemlys.wordpress.com

Age: 32

* denotes convolution, $\cdot$ denotes multiplication

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Top Questions
20 votes

Why law of large numbers does not apply in the case of Apple share price?

probability central-limit-theorem media asked Mar 13 '12 at 7:12
stats.stackexchange.com

14 votes

What kind of edits are counted in /users?tab=editors?

support editing users-page asked Mar 4 '11 at 8:30
meta.stackoverflow.com

13 votes

How to ensure properties of covariance matrix when fitting multivariate normal model using maximum likelihood?

maximum-likelihood optimization covariance asked May 30 '11 at 14:18
stats.stackexchange.com

13 votes

What is the average number of articles written per author in a year and has it increased recently?

journals citations scientific-productivity bibliometrics asked Sep 5 '12 at 13:09
academia.stackexchange.com

12 votes

The infinite-dimensional limit of sequence of solutions of linear equations when the number of equations goes to infinity

matrices functional-analysis limit asked Jun 22 '11 at 7:31
math.stackexchange.com

11 votes

Hessian of profile likelihood used for standard error estimation

maximum-likelihood profile-likelihood asked Aug 24 '11 at 12:59
stats.stackexchange.com

11 votes

How to do estimation, when only summary statistics are available?

estimation maximum-likelihood asked Sep 21 '12 at 6:58
stats.stackexchange.com

10 votes

How to find out which package version is loaded in R?

r asked Jun 19 '12 at 14:30
stackoverflow.com

8 votes

Sampling from bivariate distribution with known density using MCMC

sampling monte-carlo metropolis-hastings asked Dec 7 '10 at 10:35
stats.stackexchange.com

8 votes

Is it possible to launch multiple EC2 instances within R?

r amazon-ec2 asked Nov 9 '11 at 10:12
stackoverflow.com

1 2 3

Top Answers
35
How to summarize data by group in R?
stats.stackexchange.com

33
Understanding regressions - the role of the model
stats.stackexchange.com

29
Article about misuse of statistical method in NYTimes
stats.stackexchange.com

24
What is a complete list of the usual assumptions for linear regression?
stats.stackexchange.com

17
What is the meaning of the “.” (dot) in R?
stats.stackexchange.com

15
Does correlation assume stationarity of data?
stats.stackexchange.com

15
Is the R language reliable for the field of economics?
stats.stackexchange.com

12
Filtering a dataframe
stats.stackexchange.com

12
Simulation of ARIMA (1,1,0) series
stats.stackexchange.com

12
What are the major philosophical, methodological, and terminological differences between econometrics and other statistical fields?
stats.stackexchange.com

11
Variance of a function of one random variable
stats.stackexchange.com

11
Estimating a distribution based on three percentiles
stats.stackexchange.com

11
Covariance and independence?
stats.stackexchange.com

11
Regression analysis for a massive dataset
stats.stackexchange.com

11
Is there a name for the matrix $X(X^tX)^{-1}X^{t}$?
math.stackexchange.com

11
What is a good way to run during the winter?
sports.stackexchange.com

10
How to calculate Zipf's law coefficient from a set of top frequencies?
stats.stackexchange.com

10
How to calculate the hat matrix for logistic regression in R?
stats.stackexchange.com

10
Analytical solution to linear-regression coefficient estimates
stats.stackexchange.com

10
What kind of distribution is $f_X(x) = 2 \lambda \pi x e^{-\lambda \pi x ^2}$?
stats.stackexchange.com

10
How are correlation and cointegration related?
quant.stackexchange.com

9
How to optimize my R script in order to use “multicore”
stats.stackexchange.com

9
How to deal with omitted dummy variables in a fixed effect model?
stats.stackexchange.com

8
Calculate Newey-West standard errors without an lm object in R
stats.stackexchange.com

8
Interpreting Gaussian probabilities greater than 1
stats.stackexchange.com

8
When should I *not* permit a fixed effect to vary across levels of a random effect in a mixed effects model?
stats.stackexchange.com

8
What are some good references/advice for learning Emacs Speaks Statistics (with R)?
stats.stackexchange.com

8
Any reason why Octave, R, Numpy and LAPACK yield different SVD results on the same matrix?
stackoverflow.com

7
Calculating $Var\left\{(\hat{m}-m)^2\right\}$ for a univariate normal distribution
stats.stackexchange.com

7
Finding the change point in data from a piecewise linear function
stats.stackexchange.com

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