Several posts and articles, this week, starting with this nice“Quantifying the consensus on anthropogenic global warming in the scientific...
0 replies - 582 views - 05/21/13 by Arthur Charpentier in Articles
In a previous post, a few weeks ago, I mentioned that I will be in Las Vegas by the end of July. And I took the opportunity to write a post...
0 replies - 1712 views - 05/20/13 by Arthur Charpentier in Articles
A few months ago, I did published a post on negative values in triangles, and how to deal with them, when using a Poisson regression (the post was...
0 replies - 1507 views - 04/15/13 by Arthur Charpentier in Articles
This morning, Mathieu had a nice experience in his course on computational method in actuarial science. But let us start with some mathematical formal...
0 replies - 1582 views - 04/01/13 by Arthur Charpentier in Articles
Benford’s law is nowadays extremely popular (see e.g. http://en.wikipedia.org/…). It is usually claimed that, for a given set data set, changing...
0 replies - 2111 views - 03/30/13 by Arthur Charpentier in Articles
When you reject a data point as an outlier, you’re saying that the point is unlikely to occur again, despite the fact that you’ve already seen it. This...
0 replies - 1431 views - 03/15/13 by John Cook in Articles
(see John Wilkins’ article on the – interesting – history of that phrase http://scienceblogs.com/evolvingthoughts/…). We will see several...
0 replies - 951 views - 02/09/13 by Arthur Charpentier in Articles
In actuarial science, and insurance ratemaking, taking into account the exposure can be a nightmare (in datasets, some clients have been here for a...
0 replies - 1040 views - 02/05/13 by Arthur Charpentier in Articles
This morning, Stéphane asked me tricky question about extracting coefficients from a regression with categorical explanatory variates. More precisely, he...
0 replies - 1395 views - 02/01/13 by Arthur Charpentier in Articles
R is a statistical programming language, with a strong focus on mathematical operations. When writing code that is math-heavy, unit testing becomes very...
0 replies - 1403 views - 01/30/13 by Gary Sieling in Articles
In statistics, it might be difficult to know what a symbol stands for. For instance, can either be a real value, i.e. the value taken by a...
0 replies - 1567 views - 01/28/13 by Arthur Charpentier in Articles
I’ve thought about making a personal FAQ page. If I do, one of the questions would be what elementary statistics book I recommend. Unfortunately, I don’t...
0 replies - 1476 views - 01/15/13 by John Cook in Articles
As mentioned in the Appendix of Modern Actuarial Risk Theory, “R (and S) is the ‘lingua franca’ of data analysis and statistical computing, used in...
0 replies - 1270 views - 01/14/13 by Arthur Charpentier in Articles
The comSysto GmbH and more than 1,400 organizations in 111 countries are combining energies in 2013 to promote the International Year of Statistics...
0 replies - 1255 views - 01/09/13 by Daniel Bartl in Articles
I was supposed to take a holiday break, but Frédéric, professor in Tours, came back to me this morning with a tickling question. He asked me what were...
0 replies - 510 views - 01/04/13 by Arthur Charpentier in Articles
