It's possible to go further -- much further -- on bounding sums of random variables (mentioned in the previous post). For instance, if everything has been...
0 replies - 1620 views - 09/30/12 by Arthur Charpentier in Articles
Here is an R-script that reads a PDF-file to R and does some text mining with it: # here is a pdf for mining
url <-...
0 replies - 4044 views - 09/29/12 by Kay Cichini in Articles
For the last course MAT8886 of this (long) winter session, on copulas
(and extremes), we will discuss risk aggregation. The course will be
mainly on the...
0 replies - 2328 views - 09/27/12 by Arthur Charpentier in Articles
Here's an example of how to draw a grid in R and how to fill it.
I did use the grid-package and its functions for displaying species cover values...
0 replies - 2070 views - 09/23/12 by Kay Cichini in Articles
Following along with my course in R, here's some code to make interactive 3D plots:> library(rgl)
> library(evd);
> data(lossalae)
>...
0 replies - 2314 views - 09/22/12 by Arthur Charpentier in Articles
Some posts and articles found recently on the internet:
"It’s not what you know, but who: The role of...
0 replies - 2702 views - 09/21/12 by Arthur Charpentier in Articles
Here's how I did it in 3 easy steps:
(1) Set up a form in Google Docs/Drive.
(2) Choose "Actions" and "Embed in Website" to get the...
0 replies - 3577 views - 09/19/12 by Kay Cichini in Articles
Forecasters are often met with skepticism. Almost every time
I tell someone that I work in forecasting, they say something about...
1 replies - 2290 views - 09/19/12 by Rob J Hyndman in Articles
Originally posted by Vadim TkachenkoIn my previous post, I finished with a graph with unstable results. Now let's explore some different ways to present those...
0 replies - 2327 views - 09/17/12 by Peter Zaitsev in Articles
There are two common types of graph
engines. One type is focused on providing real-time, traversal-based
algorithms...
0 replies - 3034 views - 09/16/12 by Marko Rodriguez in Articles
In order to define assocation measures or concordance measures, define a concordance function as follows: Let be a random pair with copula , and with copula...
0 replies - 1921 views - 09/12/12 by Arthur Charpentier in Articles
A couple of days ago, on Twitter, @alung
mentioned an article I wrote (in French) about open data,
explaining how difficult it was to get access to data...
0 replies - 1873 views - 09/12/12 by Arthur Charpentier in Articles
If you're interested in analysing your blog's statistics, you can do it easily with a web-service like StatCounter -- a free (registration-required) service...
0 replies - 2264 views - 09/11/12 by Kay Cichini in Articles
You can query global climate data from the KNMI Climate Explorer (the KNMI is the Royal Netherlands Metereological Institute) with R.
Here's a little...
0 replies - 1894 views - 09/09/12 by Kay Cichini in Articles
I have updated the Google Scholar Web-Scraper Function GoogleScaper_2 to GoogleScraper_3
for it was deprecated due to changes in the Google...
0 replies - 3117 views - 08/27/12 by Kay Cichini in Articles
