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If we're so different, why do we keep overlapping? When 1 plus 1 doesn't make 2 edit / delete
Why looking for overlapping confidence intervals isn't the right thing to do when comparing two distributions (contrary to some modern benchmarking advice) -- you can have overlapping but also have a significant difference.
to confidence statistics ... on 26 March 2014
FAQ: Why is the Mann-Whitney significant when the medians are equal? edit / delete
A nice example of why the rank-sum test *doesn't* test whether the medians are the same. (Unless the distributions are otherwise very similar.)
to median non-parametric significance statistics ... on 26 March 2014
Statistics with Confidence edit / delete
Susan's stats tutorial (which I first saw at ICARIS 2009). Highly recommended for students who're doing performance measurement.
to ag0803 benchmarking honours performance science significance statistics ... on 19 March 2014
Why standard deviation isn't necessarily that useful.
to ag0803 maths statistics ... on 17 January 2014
How not to lie with statistics: the correct way to summarize benchmark results edit / delete
"Using the arithmetic mean to summarize normalized benchmark results leads to mistaken conclusions that can be avoided by using the preferred method: the geometric mean."
to ag0803 benchmarking maths statistics ... on 14 December 2013
Welcome — Statistics Done Wrong edit / delete
"From basic t tests and standard error calculations to Cox proportional hazards models and geospatial kriging systems, we rely on statistics to give answers to scientific problems. This is unfortunate, because most of us don’t know how to do statistics."
to maths science statistics teaching ... on 01 December 2013
[citation needed]» Blog Archive » The homogenization of scientific computing, or why Python is steadily eating other languages’ lunch edit / delete
With links to lots of useful Python packages for scientific computing. Not new, but it's a good survey of just how far it's come.
to maths python science statistics teaching ... on 01 December 2013
Grad Student Who Shook Global Austerity Movement -- Daily Intelligencer edit / delete
Or why using a spreadsheet for your stats isn't necessarily a great idea.
to spreadsheet statistics validation ... on 29 April 2013
Failure is a Four-Letter Word - Software Engineering Chair (Prof. Zeller) - Saarland University edit / delete
How to lie with software engineering metrics (and, in a few cases, just outright lie).
to academia ag0803 amusements research statistics ... on 02 April 2013
A gallery of interesting IPython Notebooks · ipython/ipython Wiki · GitHub edit / delete
"This page is a curated collection of IPython notebooks that are notable for some reason." Lots of examples of people doing cool stuff interactively with Python.
to maths python research statistics ... on 24 March 2013
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tasty by Adam Sampson.