broccoli

http://bayesianthink.blogspot.com/2012/12/the-best-books-to-learn-probability.html

Statistician,Machine Learning,Data Mining,R,Perl. I maintain a blog listing out probability puzzles with the intention of spreading a simplistic understanding of the science of probability.

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Apply several summary functions (sum, mean, etc.) on several variables by group in one call

r aggregate r-faq asked Aug 21, 2012 at 22:55

stackoverflow.com

49 votes

Pandas filling missing dates and values within group

python pandas dataframe asked Jul 7, 2017 at 19:16

stackoverflow.com

43 votes

Conditionally change panel background with facet_grid?

r ggplot2 asked Mar 23, 2012 at 23:02

stackoverflow.com

35 votes

R data.table apply function to rows using columns as arguments

r data.table mapply asked Aug 21, 2014 at 16:26

stackoverflow.com

30 votes

R lubridate converting seconds to date

r lubridate asked Dec 21, 2012 at 22:51

stackoverflow.com

25 votes

Restricted Boltzmann machines vs multilayer neural networks

r machine-learning classification neural-networks asked Oct 17, 2012 at 17:09

stats.stackexchange.com

17 votes

Linux date command, finding seconds to next hour

linux bash date asked Dec 22, 2014 at 2:07

stackoverflow.com

13 votes

Restricted Boltzmann Machines for regression?

regression machine-learning classification neural-networks asked Oct 23, 2012 at 14:12

stats.stackexchange.com

10 votes

Box Cox Transforms for regression

r regression variance data-transformation asked Oct 19, 2012 at 21:00

stats.stackexchange.com

8 votes

Overlap matrix in R

r asked Jul 31, 2012 at 18:50

stackoverflow.com