Blog Archives

Basic A/B Testing plots and stats with R

January 12, 2014
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Basic A/B Testing plots and stats with R

Have you used Google Analytics Content Experiments? I’ve been using it lately and the most useful thing is that all data are integrated into the API to do what you want to do except for the standard reports. So, you can get them into your favorite data analysis tool and get more things done. In ...read more

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Google Analytics + R = FUN!

May 5, 2013
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Google Analytics + R = FUN!

The scope of this post it to show how simple it is to get data out of the Google Analytics and create your own reports (that you hope that they can be semi-automated at least) and you favourite statistical graphs (those that GA is currently missing). As you already know R is a favourite tool ...read more

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Download your Facebook photos using R

September 15, 2012
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Download your Facebook photos using R

So tonight I wanted to download all my Facebook pictures. For some reason the zip file was corrupted each of the 3 times I downloaded, so I remembered that some time ago I was playing around with an R project named Facebook Data-Mining. The project is conveniently located at github and you can access it here. Looking ...read more

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A tiny RCurl headache ;)

July 4, 2012
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As more and more data go online (plus we love Google Drive) we are forced to connect to our data over the net. We mostly do this via RCurl (but we could do this using RGoogleDocs as well).In that case all that is required to get the data into R is the two lines of ...read more

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Step up your R capabilities with new tools for increased productivity

July 1, 2012
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Step up your R capabilities with new tools for increased productivity

I guess a lot of us actually use many tools to accomplish various things in their everyday life. There is the (not that uncommon) case where you have to build something that others will use in their everyday business life to get insights, information and/or take decisions. The basic implementation scenario here would be to build an excel workbook where ...read more

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Book shoppin’…

November 24, 2011
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Book shoppin’…

I honestly have no book on R programming. In fact I have not a single book on programming at all (my coding proves that ;x). I am pretty sure that I am gonna order (just did!) that book. You can get a look of Matloff’s text here (= pdf for ya)

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Data is everywhere!

November 19, 2011
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Data is everywhere!

I was writing earlier today that I am getting really fed to using the same datasets over and over again. Of course using the same data over time with different methods (eg look this) serves really well on a comparison scope but still we can use other data in a web world. For example, you ...read more

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Bookshelf remodelling

August 18, 2010
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Bookshelf remodelling

I found time and read Gelman and Hill’s “Data Analysis Using Regression and Multilevel / Hierarchical Models“…Now, please do yourself a favour and get it (of course the paperback version ). Even for experienced or intermediate (myself) this will be a treat for your eyes and neurons. PS : (Confession) I didn’t like the Bayesian ...read more

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Read a new book…

July 31, 2010
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From the book website : IPSUR stands for Introduction to Probability and Statistics Using R, ISBN: 978-0-557-24979-4, which is a textbook written for an undergraduate course in probability and statistics. The approximate prerequisites are two or three semesters of calculus and some linear algebra in a few places. Attendees of the class include mathematics, engineering, ...read more

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A robust Hotelling test…

July 12, 2010
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Recently I was in need of testing a mean vector. I wrote a few lines of code in R and had it done perfectly. Hotelling test is one of the least interesting test to me. never really figured out why… At that time I had some time to search more about it. One of the ...read more

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