November 2015

What it means to be a US Veteran Today

November 13, 2015 | Francis Smart

Six easy graphs that tell a big story:1. You represent a much small portion of the American people than veterans in the 1980s. The different lines represent different income quantiles with the 1st being the lowest income and the 4th being the highest income. We can see that veterans formerly ... [Read more...]

What it means to be a US Veteran Today

November 13, 2015 | Francis Smart

Six easy graphs that tell a big story:1. You represent a much small portion of the American people than veterans in the 1980s.2. You currently have the highest risk of being classified as poor for any time period since 1980. Since 2005, the rate of pov... [Read more...]

Blog Post at Pluralsight

November 13, 2015 | C

Final post in the three part series is now up at Pluralsight.  The series is geared towards business users so if you have some friends that you are encouraging to set aside their spreadsheets and take R for a spin - send them this way!http://blog.pluralsight.com/r-for-business-part-three ... [Read more...]

Blog Post at Pluralsight

November 13, 2015 | C

Final post in the three part series is now up at Pluralsight.  The series is geared towards business users so if you have some friends that you are encouraging to set aside their spreadsheets and take R for a spin - send them this way!http://blog.... [Read more...]

The Lady Loves Statistics

November 13, 2015 | Mango Blogger

By Paulin Shek Working at Mango is generally busy, fun, but also at times, quite surreal. Lunchtime conversation amongst the consultants can get quite animated, especially when Andy Nicholls, the Head of Consultancy, finds a topic that he has a … Continue reading → [Read more...]

In case you missed it: October 2015 roundup

November 13, 2015 | David Smith

In case you missed them, here are some articles from October of particular interest to R users. A video from the PASS 2015 conference in Seattle shows R running within SQL Server 2016. The preview for SQL Server 2016 includes Revolution R Enterprise (as SQL Server R Services). A way of dealing with ... [Read more...]

Szkolenie z analizy sieciowej

November 13, 2015 | Michał

Summary in English: We are organizing a two-day workshop on network analysis in R. The dates are 2-3 of December, 2015. The workshop will be in Polish. For more information and registration see this page. Zapraszamy na szkolenie z analizy sieciowej w R w dniach 2-3 grudnia 2015. Analiza sieci społecznych (... [Read more...]

Applied Statistical Theory: Quantile Regression

November 13, 2015 | atmathew

This is part two of the ‘applied statistical theory’ series that will cover the bare essentials of various statistical techniques. As analysts, we need to know enough about what we’re doing to be dangerous and explain approaches to others. It’s not enough to say “I used X because ... [Read more...]

importance sampling with infinite variance

November 12, 2015 | xi'an

“In this article it is shown that in a fairly general setting, a sample of size approximately exp(D(μ|ν)) is necessary and sufficient for accurate estimation by importance sampling.” Sourav Chatterjee and Persi Diaconis arXived yesterday an exciting paper where they study the proper sample size in an importance sampling ...
[Read more...]

H2O World 2015

November 12, 2015 | Joseph Rickert

by Joseph Rickert The second, annual H2O World conference finished up yesterday. More than 700 people from all over the US attended the three-day event that was held at the Computer History Museum in Mountain View, California; a venue that pretty much sits well within the blast radius of ground ... [Read more...]

Graph from Sparse Adjacency Matrix

November 12, 2015 | Andrew Collier

I spent a decent chunk of my morning trying to figure out how to construct a sparse adjacency matrix for use with graph.adjacency(). I'd have thought that this would be rather straight forward, but I tripped over a few subtle issues with the Matrix package. My biggest problem (which ... [Read more...]

Using MonetDB[Lite] with real-world CSV files

November 11, 2015 | hrbrmstr

MonetDBLite (for R) was announced/released today and, while the examples they provide are compelling there’s a “gotcha” for potential new folks using SQL in general and SQL + MonetDB + R together. The toy example on the site shows dumping mtcars with dbWriteTable and then doing things. Real-world CSV files ... [Read more...]

Red Cross Smoke Alarm Project

November 11, 2015 | dracodoc

SummaryThis is a write-up for my volunteer Data Science project for the American Red Cross. The project used public data to help Red Cross directing limited resources to homes that more vulnerable to fire risk and loss. My work in the project:Discovered the hidden information in NFIRS dataset, obtained ... [Read more...]
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