R and Salesforce
Introduction R is widely used among scientists and statisticians to perform statistical analysis while Salesforce.com is one of the leading CRM software packages used for Marketing and Salesforce automation. Salesforce.com contains vital information regarding Leads, Customers, Contacts, Opportunities and Cases. Currently this data is mainly used for operational purposes by Sales and Marketing professionals. How 
A Roma
Today, I am going to Rome for a week, teaching my PhD course on ABC I first gave in Paris. The course takes place in La Sapienza Università di Roma, from Monday till Thursday. There will be an R lab in addition to the lectures. (I have no further item of information at the moment.) 
PCA for NIR Spectra_part 003: "NIPALS"
> X<-yarn$NIR> X_nipals<-nipals(X,a=10,it=100)Two matrices are generated (P and T)As in other posts, we are going to look to the loadings & scores, for firsts three principal components:> wavelengths<-seq(1,268,by=1)> matplot(w...
Why I don’t like Dynamic Typing
A lot of people consider the static typing found in languages such as C, C++, ML, Java and Scala as needless hairshirtism. They consider the dynamic typing of languages like Lisp, Scheme, Perl, Ruby and Python as a critical advantage (ignoring other features of these languages and other efforts at generic programming such as the Related posts:
Creating beautiful maps with R
Spanish R user and solar energy lecturer Oscar Perpiñán Lamigueiro has written a detailed three-part guide to creating beautiful maps and choropleths (maps color-coded with regional data) using the R language. Motivated by the desire to recreate this graphic from the New York Times, Oscar describes how he creates similar high-quality maps using R. In Part 1, Oscar grabbed...
I’m Hiring!
I direct the Bioinformatics Core at the University of Virginia, and I'm hiring. Visit this link on the UVA Jobs website for more information. Here's the description:The University of Virginia Bioinformatics Core is seeking a full-time position as a bio...
How to save high frequency data in mongodb
Are you looking for ways how to save real time, high frequency data taken from Interactivebrokers.com API ? I built an example in C++ which saves all incoming data in Mongodb. Check this link if you are interested: https://github.com/kafka399/TwsMongo
Synchronous vs. asynchronous agent activation example
This time I have implemented NetLogo Voting model to verify how agent activation scheme influences the results.The code executing the simulation is given below. It simulates two types of voter preferences encoded as 1 and -1. In this way...
Analyzing weblog data with R
The R-chart blog explains how to read a weblog file into R, so you can analyze traffic to a website. For example, here's a page request chart created with R: Now, charts like this are stock-in-trade for tools like Google Analytics, but this is still useful if you want to look at the performance of a site that hasn't...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
