639 search results for "sql"

Strata + Hadoop World 2013 Recap

November 4, 2013
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Strata + Hadoop World 2013 Recap

We're back from NYC after a very busy Strata + Hadoop World 2013 conference. Many thanks to all the friendly folks who dropped by the Revolution Analytics booth, attended Joe and Antonio's R and Hadoop tutorial, or simply came up to say hello during the event. It was a jam-packed conference, literally standing room only at many times, so...

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Species occurrence data to CartoDB

November 4, 2013
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We have previously written about creating interactive maps on the web from R, with the interactive maps on Github. See here, here, here, and here. A different approach is to use CartoDB, a freemium service with sql interface to your data tables that provides a map to visualize data in those tables. They released...

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Dream Team – combining Tableau and R

November 3, 2013
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Dream Team – combining Tableau and R

Last quarter was a bit too busy to write some new blog post because of a new job. And changing the job often come along with changing the tools you work with. That was my way to Tableau. Tableau is one of the new stars in the BI/Analytics world and definitely worth a look. The people at Tableau...

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Les k-plus prcoches voisins :Vite, il faut se la réapproprier…

November 2, 2013
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Les k-plus prcoches voisins :Vite, il faut se la réapproprier…

(This article was first published on Learning Data Science , and kindly contributed to R-bloggers) K-plus proches voisins K-plus proches voisins Fondamentaux La notion de voisinage d'un point est assez intuitive. Une définition simple serait : une zone de l'espace qui comprend ce point. C'est une notion centrale en mathématique, particulièrement en analyse lorsqu'on souhaite unifier la notion de...

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Quarterback Wonderlic Scores by Institution (Academic) Strength

November 1, 2013
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Quarterback Wonderlic Scores by Institution (Academic) Strength

## geom_smooth: method="auto" and size of largest group is <1000, so using## loess. Use 'method = x' to change the smoothing method. I remember my dad telling me that when he was at Northwestern in the mid-70s, the team...

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Alternative to Grouped Bar Charts in R

October 27, 2013
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Alternative to Grouped Bar Charts in R

The #spiffy @dseverski gave me this posit the other day: Hey, @hrbrmstr, doughnut chart aside, how would you approach the first graph at http://t.co/zjHoHRVOeo? Bump chart? Trend line? Leave as is?— David F. Severski (@dseverski) October 25, 2013 and, I...

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Creating an Open Source Revolution in Computational Proteomics

October 24, 2013
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Creating an Open Source Revolution in Computational Proteomics

First of all, I don’t want to discuss in this post about Open-Source, its strengths & strengths. This post is about the most useful Open-Source packages, frameworks or libraries in the field of computational proteomics (a short version of our manuscript “Open source libraries and frameworks for Mass Spectrometry based Proteomics: A developer’s perspective”). 

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My experience of learning R – from basic graphs to performance tuning

October 23, 2013
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My experience of learning R – from basic graphs to performance tuning

BackgroundR as some of you may know is a statistical and graphics programming language (see Wikipedia ) used by academia and recently by IT professionals of our ever growing software industry. There is a sudden demand for Data Scientists, Data Analysts and Statisticians with a background in R among other things data and development related subjects. I have...

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Build your own Twitter Archive and Analyzing Infrastructure with MongoDB, Java and R [Part 1] [Update]

October 22, 2013
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Build your own Twitter Archive and Analyzing Infrastructure with MongoDB, Java and R [Part 1] [Update]

UPDATE: The JAVA script is now also available with the streaming API. You can find the script on my github account Hey everybody, you sure know the problems which appear when you want to work with the Twitter API. Twitter created a lot of different restrictions minimizing the fun of the Data Mining process. Another …

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analyze the national vital statistics system (nvss) with r and monetdb

October 21, 2013
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ever since the dawn of the internet, the centers for disease control and prevention (cdc) has maintained a big data archive called the national vital statistics system (nvss).  the hardworking quants in hyattsville release two major annual microda...

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