
The floor of a real number x is the largest integer n ≤ x, written ⌊x⌋.The ceiling of a real number x is the smallest...
0 replies - 1471 views - 05/13/13 by John Cook in Articles

In the course on claims reserving techniques, I did mention the use of Poisson regression, even if incremental payments were not integers. For instance, we did...
0 replies - 402 views - 05/12/13 by Arthur Charpentier in Articles

I’ve been in the IT industry for almost 8 years working in 4 different companies. During this time I had a chance to work with a couple of dozens of...
4 replies - 13027 views - 05/10/13 by Yuriy Lopotun in Articles

Mobile browsers may look like desktop browsers, but their behavior sometimes is different and we need to understand them to provide the right user experience....
0 replies - 1474 views - 05/10/13 by Maximiliano Firtman in Articles

On March 26th I giddily said it takes about two months to write a technical book. Still high from the recent success it seemed like the thing to...
0 replies - 2134 views - 05/09/13 by Swizec Teller in Articles

Sublime Text is a very powerful and popular text editor. But it’s more than a text editor… it’s an ecosystem of programmer’s tools where you can...
0 replies - 2152 views - 05/09/13 by Mikko Ohtamaa in Articles

How to get from a txt-file with short names and labels to a QGIS-Style (qml-file)? I used the below R-script to create a style for this legend...
0 replies - 1378 views - 05/09/13 by Kay Cichini in Articles

Google Glass’s sensorsThis guy probed the depth of Glass’s kernal source code to dig up specifics about Glass’s sensors and hardware. He found a Texas...
0 replies - 3823 views - 05/09/13 by Eric Gregory in Articles

A couple of days ago I wrote about Why I am the world’s greatest lover (and other worthless security claims) and it really seemed to...
0 replies - 1327 views - 05/09/13 by Troy Hunt in Articles

The Perrin numbers have a definition analogous to Fibonacci numbers. Define P0 = 3, P1 = 0, and P2 = 2. Then for n >...
0 replies - 1483 views - 05/09/13 by John Cook in Articles

A few weeks back, webserver request queueing came under heightened scrutiny as rapgenius blasted Heroku for not using as much autotune as promised in...
0 replies - 999 views - 05/08/13 by Dan Kuebrich in Articles

There’s no elementary formula for the circumference of an ellipse, but there is an elementary approximation that is extremely accurate.
An ellipse has...
0 replies - 991 views - 05/08/13 by John Cook in Articles

I recently typed out a long, thoughtful response in a textarea. I clicked submit, like I've done millions of times, and I got the dreaded "session expired"...
0 replies - 1654 views - 05/08/13 by Jay Fields in Articles

The following sample will extract the contents of a court case and attempt to recognize names and locations using entity recognition software from Stanford...
0 replies - 1516 views - 05/08/13 by Gary Sieling in Articles

The extreme end of "paving the cowpaths" are people for whom the bug list is also the feature list. This is a very strange phenomenon, rarely seen, but...
0 replies - 2441 views - 05/08/13 by Steven Lott in Articles