Henrik

Freiburg, Germany

psychologie.uni-freiburg.de/Members/singmann

Age: 29

PhD student in Psychology at the University of Freiburg.

Programming languages:

Python for running experiments (using PsychoPy)

R for data analysis

I am maintainer of R packages afex and MPTinR

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110

171 votes

9 answers

How to sort a dataframe by column(s) in R

r sorting data.frame r-faq Oct 21 '12 at 14:36 Dirk Eddelbuettel

stackoverflow.com

193

166 votes

4 answers

R Grouping functions: sapply vs. lapply vs. apply. vs. tapply vs. by vs. aggregate vs

r plyr r-faq sapply tapply Dec 5 '12 at 20:59 GSee

stackoverflow.com

132

138 votes

12 answers

Tricks to manage the available memory in an R session?

memory-management r Aug 10 '12 at 10:13 Matthew Dowle

stackoverflow.com

104 votes

49 answers

What is your favorite “data analysis” cartoon?

humor Jan 29 at 14:18 kwanti

stats.stackexchange.com

192

88 votes

34 answers

What is the most useful R trick?

r tips-and-tricks Nov 18 '11 at 1:37 Kevin Wright

stackoverflow.com

84 votes

42 answers

What are common statistical sins?

best-practices big-list May 6 at 13:10 Graeme Walsh

stats.stackexchange.com

77 votes

6 answers

How to Correctly Use Lists in R?

r data-structures language-design language-features abstract-data-type Feb 14 at 9:07 Mien

stackoverflow.com

121

76 votes

12 answers

Workflow for statistical analysis and report writing

data r statistics data-visualization Oct 21 '11 at 1:11 Jeromy Anglim

stackoverflow.com

65 votes

7 answers

What is the difference between “likelihood” and “probability”?

probability likelihood-function Apr 13 at 20:49 Gypsy

stats.stackexchange.com

62 votes

15 answers

How can I check whether a radio button is selected in javascript?

javascript radio May 20 at 18:39 Chris

stackoverflow.com

60 votes

16 answers

How to annoy a statistical referee?

big-list referee Apr 3 at 16:34 D L Dahly

stats.stackexchange.com

59 votes

6 answers

Is $R^2$ useful or dangerous?

regression r-squared Jan 10 at 12:45 Scortchi

stats.stackexchange.com

57 votes

5 answers

Is R's apply family more than syntactic sugar?

r apply Apr 10 at 17:53 Michele

stackoverflow.com

49 votes

6 answers

Why does a 95% CI not imply a 95% chance of containing the mean?

probability confidence-interval Apr 26 '12 at 5:47 naught101

stats.stackexchange.com

47 votes

5 answers

Painless way to install a new version of R (on Windows)?

windows r upgrade packages Dec 16 '11 at 9:51 Matthew Dowle

stackoverflow.com

47 votes

19 answers

What is the single most influential book every statistician should read?

books Feb 14 '12 at 19:22 gung

stats.stackexchange.com

47 votes

19 answers

Resources for learning R

r Mar 31 at 1:01 yahelc

stats.stackexchange.com

44 votes

5 answers

How to efficiently manage a statistical analysis project?

best-practices project-management Nov 16 '12 at 21:51 chl

stats.stackexchange.com

42 votes

14 answers

Rules of thumb for “modern” statistics

modeling best-practices rule-of-thumb eda Apr 10 '11 at 14:26 Jason Morgan

stats.stackexchange.com

42 votes

25 answers

What's the biggest R-gotcha you've run across?

r r-faq Jan 2 at 15:57 Blue Magister

stackoverflow.com

41 votes

6 answers

What's the difference between a confidence interval and a credible interval?

bayesian confidence-interval frequentist credible-interval Nov 18 '12 at 21:29 Keith Winstein

stats.stackexchange.com

40 votes

4 answers

Creating an R dataframe row-by-row

list r data.frame Mar 13 '12 at 17:12 Dirk Eddelbuettel

stackoverflow.com

38 votes

10 answers

General suggestions for debugging R?

r debugging r-faq Aug 17 '12 at 14:29 Roman Luštrik

stackoverflow.com

38 votes

14 answers

What is the best way to identify outliers in multivariate data?

multivariable outliers Dec 27 '12 at 19:11 user603

stats.stackexchange.com

36 votes

8 answers

What is a good resource on table design?

tables Feb 13 '12 at 17:51 gung

stats.stackexchange.com

34 votes

7 answers

What are the differences between Factor Analysis and Principal Component Analysis

pca factor-analysis Apr 20 at 20:42 Brandon Bertelsen

stats.stackexchange.com

33 votes

2 answers

What are good references containing arguments against null hypothesis significance testing?

hypothesis-testing statistical-significance big-list Jun 23 '11 at 18:32 chl

stats.stackexchange.com

32 votes

4 answers

How to choose the number of hidden layers and nodes in a feedforward neural network?

neural-networks Nov 10 '12 at 6:22 doug

stats.stackexchange.com

32 votes

1 answer

Confused by …()?

r Apr 15 at 17:37 GSee

stackoverflow.com

32 votes

3 answers

What core packages should a professional R developer have, and why?

unit-testing debugging r development-environment Aug 2 '11 at 18:36 Gavin Simpson

stackoverflow.com