Posts Tagged ‘ r-project ’

Graphing Predicted Legislative Violence with Zelig & ggplot2

April 26, 2012
By
Graphing Predicted Legislative Violence with Zelig & ggplot2

In my previous post I briefly mentioned an early draft of a working paper (HERE) I've written that looks into the possible causes of violence between legislators (like the violence shown in this picture from the Turkish Parliament).  From The Gua...

Read more »

Getting Historical Weather Data in R and SAP HANA

April 19, 2012
By

For many of my latest data blogs, I needed historical weather data to perform data mash-ups to pin-point the cause.  For example, for my continued exploration into the airlines/airports historical data using SAP HANA and R, I wanted to find out wh...

Read more »

Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize Using Google Maps

April 11, 2012
By
Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize Using Google Maps

Technologies: SAP HANA, R, HTML5, D3, Google Maps, JQuery and JSONFor this fun exercise, I analyzed more than 200 million data points using SAP HANA and R and then brought in the aggregated results in HTML5 using D3, JSON and Google Maps APIs.  Th...

Read more »

Disproportionality Data

March 25, 2012
By
Disproportionality Data

So I was hunting around for some data on disproportional electoral outcomes (when the proportion of voters cast for political parties is not close to the proportion of legislative seats that they win).Michael Gallagher keeps an updated version of his L...

Read more »

Tracking SFO Airport’s Performance Using R, HANA and D3

March 22, 2012
By
Tracking SFO Airport’s Performance Using R, HANA and D3

This is my first introduction to D3 and I am simply blown away.  Mike Bostock (@mbostock), you are genius and thanks for creating D3!  With HANA, R, D3, HTML5 and iPad, and you got yourself a KILLER combo!I have been burning my midnight oil o...

Read more »

Geocode and reverse geocode your data using, R, JSON and Google Maps’ Geocoding API

March 20, 2012
By

Geocode and reverse geocode your data using, R, JSON and Google Maps' Geocoding APITo geocode and reverse geocode my data, I use Google's Geocoding service which returns the geocoded data in a JSON. I will recommend that you register with Google Maps A...

Read more »

How-to Extract Text From Multiple Websites with R

February 18, 2012
By
How-to Extract Text From Multiple Websites with R

I have been meaning to post this slideshow for awhile now. It gives a brief introduction to using R for scraping text from multiple websites. It includes some basic debugging, because R sometimes misses a website.Just click the arrows to change the sli...

Read more »

Update to Partisan Bias in Fed Inflation Forecasts

February 7, 2012
By
Update to Partisan Bias in Fed Inflation Forecasts

Since I'm in the depths of PhD thesis revisions I haven't had much time to do much other than update previous posts (see my Stata Country Standardizer Update).Here is an update of an earlier post about possible partisan biases in US Federal Reserve sta...

Read more »

Updated Sentiment Analysis and a Word Cloud for Netflix – The R Way!

January 30, 2012
By
Updated Sentiment Analysis and a Word Cloud for Netflix – The R Way!

The Netflix investors must be happy and cheerful as the stock is up more than 78% since the beginning of the year (YES, 78%, Source: Yahoo Finance!).  I am not going to talk about what turned the stock around after a much talked/hyp...

Read more »

Geocode your data using, R, JSON and Google Maps’ Geocoding APIs

January 24, 2012
By

Over the last year and half, I have faced numerous challenges with geocoding the data that I have used to showcase my passion for location analytics.  In 2012, I decided to take thing in my control and turned to R.  Here, I am sharing a simpl...

Read more »

Subscribe

Email:

Add to Google Reader or Homepage

  Subscribe