Jobs at Amazon

October 30, 2014
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I do not normally post job adverts, but this was very specifically targeted to “applied time series candidates” so I thought it might be of sufficient interest to readers of this blog. Here is an excerpt from an email I received from someone at Amazon: Amazon is aggressively recruiting in the data sciences, and we

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Wrangling F1 Data With R – F1DataJunkie Book

October 30, 2014
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Wrangling F1 Data With R – F1DataJunkie Book

Earlier this year I started trying to pull together some of my #f1datajunkie R-related ramblings together in a book form. The project stalled, but to try to reboot it...

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pander 0.5.0: the next generation of markdown tables in R

October 30, 2014
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pander 0.5.0: the next generation of markdown tables in R

A new version of pander was just released on CRAN with 200+ commits of new features, major performance updates and some minor fixes . One of...

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My Commonly Done ggplot2 graphs

October 30, 2014
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My Commonly Done ggplot2 graphs

In my last post, I discussed how ggplot2 is not always the answer to the question “How should I plot this” and that base graphics were still very useful....

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Some R Highlights from the Bay Area Data Science Camp and Unconference

October 30, 2014
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Some R Highlights from the Bay Area Data Science Camp and Unconference

by Joseph Rickert The San Francisco Bay Area Chapter of the Association of Computing Machinery (ACM) has been holding an annual Data Mining Camp and "unconference" since 2009. This...

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Extracting datasets from excel files in a zipped folder

October 30, 2014
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Extracting datasets from excel files in a zipped folder

The title of the post is a bit long, but that’s the problem I was facing this morning: importing dataset from files, online. I mean, it was not a “problem”...

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Milestone: 6000 packages on CRAN

October 29, 2014
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Package_per_time

Another 1000 packages were added to CRAN and this time in less than 12 months. Today (2014-10-29) on The Comprehensive R Archive Network (CRAN) package page:"Currently, the CRAN...

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Integrate R into applications with DeployR Open

October 29, 2014
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Integrate R into applications with DeployR Open

If you ever find you need to embed the results of R functions — data, charts, or even a single calculation — into other applications, then you might want...

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Getting old in baseball

October 29, 2014
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Getting old in baseball

We look at how batting average changes with age The post Getting old in baseball appeared first on Decision Science News.

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Online index of plots and corresponding R scripts

Online index of plots and corresponding R scripts

Dear Readers of The Chemical Statistician, While working in my job at the British Columbia Cancer Agency, I learned about a wonderful new data visualization resource from a colleague who works at...

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A Walk-Forward Attempt on FAA

October 29, 2014
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A Walk-Forward Attempt on FAA

So in the first post about FAA, I was requested to make a walk-forward test of FAA. While the results … Continue reading →

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LA R Meetup – November 11: Highlights from the useR! 2014 conference – Part 2

October 29, 2014
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At this meetup, five more LA R meetup members will present short talks of what...

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Don’t Worry _Too_ Much About The 2014 Gallup Crime Poll

October 29, 2014
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Don’t Worry _Too_ Much About The 2014 Gallup Crime Poll

Gallup released the results of their annual “Crime” poll in their Social Poll series this week and spent much time highlighting the fact that “cyber” was at the...

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R Class for Wildfire Scientists

October 29, 2014
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R Class for Wildfire Scientists

This entry is part 14 of 14 in the series Using RMazama Science has just finished creating class materials on using R for the AirFire team at the USFS...

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reliable ABC model choice via random forests

October 28, 2014
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reliable ABC model choice via random forests

After a somewhat prolonged labour (!), we have at last completed our paper on ABC model choice with random forests and submitted it to PNAS for possible publication. While...

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Type III tests and R

October 28, 2014
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by Terry M. Therneau Ph.D. Faculty, Mayo Clinic About a year ago there was a query about how to do "type 3" tests for a Cox model on the...

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analyze the social security administration’s national beneficiary survey (nbs) with r

October 28, 2014
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above and beyond its namesake roosevelt-era retirement safety net, the social security administration oversees two federal programs - social security disability insurance and supplemental security insurance.  currently covering more...

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Flexible Beta Modeling

October 27, 2014
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Flexible Beta Modeling

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Visualizing the History of Epidemics

October 27, 2014
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Visualizing the History of Epidemics

I really like National Geographic. Their magazine is great, their television documentaries are done well and they helped give me a lifelong love of maps. They generate very good...

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Create Fashion Fingerprints with R

October 27, 2014
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Create Fashion Fingerprints with R

How do you summarize fashion? For New York Fashion Week, the New York Times used the idea of "Fashion Fingerprints", distilling a designer's collections into small fragments highlighting the...

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Introducing Stepwise Correlation Rank

October 27, 2014
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Introducing Stepwise Correlation Rank

So in the last post, I attempted to replicate the Flexible Asset Allocation paper. I’d like to offer a thanks … Continue reading →

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Size Doesn’t Matter

October 26, 2014
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Size Doesn’t Matter

An invisible red thread connects those destined to meet, regardless of time, place or circumstances. The thread may stretch or tangle, but never break (Ancient Chinese Legend) I use...

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Probable Points and Credible Intervals, Part 1

October 26, 2014
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Probable Points and Credible Intervals, Part 1

After having broken the Bayesian eggs and prepared your model in your statistical kitchen the main dish is the posterior. The posterior is the posterior is the posterior, given...

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Syrian Refugee Informal Settlement Animation

October 26, 2014
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Syrian Refugee Informal Settlement Animation

This is an animation of the growth in Syrian refugee informal camp settlements in Lebanon over the past several years.  You can see from the .gif that the growth...

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Combating Multicollinearity by Asking the Right Questions and Uncovering Latent Features

October 26, 2014
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Combating Multicollinearity  by Asking the Right Questions and Uncovering Latent Features

Overview. When responding to questions about brand perceptions or product feature satisfaction, consumers construct a rating  by relying on their overall satisfaction with the brand or product plus some general...

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Quarterback Completion Heatmap Using dplyr

October 26, 2014
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Quarterback Completion Heatmap Using dplyr

Several months ago, I found Bryan Povlinkski's (really nicely cleaned) dataset with 2013 NFL play-by-play information, based on data...

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ALUES: Agricultural Land Use Evaluation System, R package

October 26, 2014
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Authors:Arnold R. Salvacion                                                                       [email protected] Analysis and Visualization using R (blog)                                          Al-Ahmadgaid B. Asaad (maintainer)[email protected] Land Use Evaluation System (ALUES) is an R package that...

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Visualizing (generalized) linear mixed effects models with ggplot #rstats #lme4

October 26, 2014
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Visualizing (generalized) linear mixed effects models with ggplot #rstats #lme4

In the past week, colleagues of mine and me started using the lme4-package to compute multi level models. This inspired me doing two new functions for visualizing random effects...

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Tuning Laplaces Demon III

October 26, 2014
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Tuning Laplaces Demon III

This is the third post with LaplacesDemon tuning. same problem, different algorithms. For introduction and other code see this post. The current post takes algorithms Independence Metropolis to Reflective...

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