690 search results for "sql"

Species occurrence data to CartoDB

November 4, 2013
By

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...

Read more »

Dream Team – combining Tableau and R

November 3, 2013
By
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...

Read more »

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

November 2, 2013
By
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 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 finitide (calcul de...

Read more »

Quarterback Wonderlic Scores by Institution (Academic) Strength

November 1, 2013
By
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...

Read more »

Alternative to Grouped Bar Charts in R

October 27, 2013
By
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...

Read more »

Creating an Open Source Revolution in Computational Proteomics

October 24, 2013
By
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”). 

Read more »

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

October 23, 2013
By
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...

Read more »

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

October 22, 2013
By
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 …

Read more »

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

October 21, 2013
By

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...

Read more »

The ACM 2013 Mining Big Data Camp and "Un-Conference"

October 17, 2013
By
The ACM 2013 Mining Big Data Camp and "Un-Conference"

by Joseph Rickert The 2013 Mining Big Data Camp was held last Saturday at Ebay’s Town Hall Conference Center in San Jose. The San Francisco chapter of the ACM has been sponsoring this data mining themed, “un-conference” event since 2009. Attendance, this year was lighter than I remembered in the past, however, the event continues to be a viable...

Read more »