2594 search results for "Map"

Crime Against Women in India – Addressing 8 Questions Using rCharts, googleVis, and shiny

October 5, 2013
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Recent crimes against women, specifically the 2012 gang rape in New Delhi of a 23 year old lady, have pushed this issue as a substantially significant one for Indians to deal with. In this post, I try to address 8 different questions regarding crime against women in India. (1). How have numbers in different types of crimes and percentage of different...

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Post 1: A Bayesian 2PL IRT model

October 4, 2013
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Post 1: A Bayesian 2PL IRT model

In this post, we define the Two-Parameter Logistic (2PL) IRT model, derive the complete conditionals that will form the basis of the sampler, and discuss our choice of prior specification. We can find the appropriate values of numerically in R … Continue reading →

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Tomorrow: R+Hadoop Webinar with Cloudera and Revolution Analytics

October 2, 2013
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If you haven't already registered, don't miss tomorrow's webinar presented by Cloudera's Director of Product Strategy, Jairam Ranganathan and Michele Chambers, Chief Strategy Officer at Revolution Analytics. This will be a great opportunity to learn how R and CDH (Cloudera's Hadoop distribution) work together with the forthcoming Revolution R Enterprise 7. Here's what they will be talking about: The...

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Measuring Randomness in Capital Markets

September 29, 2013
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Measuring Randomness in Capital Markets

What is Random? As previously discussed, there’s no universal measure of randomness. Randomness implies the lack of pattern and the inability to predict future outcomes. However, The lack of an obvious model doesn’t imply randomness anymore than a curve fit one implies order. So what actually constitutes randomness, how can we quantify it, and why do we care? Randomness $\neq$ Volatility, and Predictability $\neq$ Profit First...

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Rcpp 0.10.5

September 29, 2013
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A new version of Rcpp is now on the CRAN network for GNU R; binaries for Debian have been uploaded as well. Once more, this release brings a large number of exciting changes to Rcpp. Some concern usability, some bring new features, some increase pe...

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Nice tutorials to discover R

September 28, 2013
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A series of tutorials, in R, by Anthony Damico. As claimed on http://twotorials.com/, “how to do stuff in r. two minutes or less, for those of us who prefer to learn by watching and listening“. So far, 000 what is r? the lingua statistica, s’il vous plaît 001 how to download and install r 002 simple shortcuts for the windows r...

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Visualizing “ObamaCare-related” Job Cuts

September 28, 2013
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Visualizing “ObamaCare-related” Job Cuts

I was reviewing RSS feeds when I came across this story about “ObamaCare Employer Mandate: A List Of Cuts To Work Hours, Jobs” over on Investors.com. Efficacy of the law notwithstanding, I thought it might be interesting to visualize the data since the folks over at Investors.com provided a handy spreadsheet that they seem to

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R 3.0.2 and RStudio 0.9.8 are released!

September 26, 2013
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R 3.0.2 (codename “Frisbee Sailing”) was released yesterday. The full list of new features and bug fixes is provided below. Also, RStudio v0.98 (in a “secret” preview) was announced two days ago with MANY new features, including: Amazing new debugging …Read more »

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Construire un moteur de reco simple avec R (1/2)

September 25, 2013
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Construire un moteur de rechercheOn va montrer comment on peut construire un moteur de recommandation simple en utilisant les outils de Textmining. Cette construction se fera en deux temps : On construit un moteur de recherche pour identifier par exemple, dans...

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NFL week 3 update

September 25, 2013
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NFL week 3 update

With another NFL week down we are starting to see separation from the contenders and the “better luck next year” teams.  Any paid TV mouthpiece worth their salt will tell you it is a quarterback driven league.  Driven indeed.  In the last post, I dabbled in the simple code of a correlation heat map.  Now, I realize I may...

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