littler is faster at doing nothing!

September 2, 2014
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With yesterday's announcement of littler 0.2.0, I kept thinking about a few not-so-frequently-asked but recurring questions about littler. And an obvious one if of course the relationship to Rscript. As we have pointed out before, littler preceded Rscript. Now, with Rscript being present in every R installation, it is of course by now more widely known. But there...

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Baseball: Probability of winning conditional on runs, hits, walks and errors

September 2, 2014
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Baseball: Probability of winning conditional on runs, hits, walks and errors

If a team scores X runs, what's the probability it will win the game? The post Baseball: Probability of winning conditional on runs, hits, walks and errors appeared...

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The Limit of ATR Order Sizing

September 2, 2014
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The Limit of ATR Order Sizing

Before beginning this post, I’d like to notify readers that I have a webcast tomorrow (Wednesday, Sep. 3) at 4:30 … Continue reading →

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The Importance of ‘Janitorial Work’ in Research

September 2, 2014
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As someone who has spent a significant amount of time ‘data wrangling’ outside the field...

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Win Books and T-shirts in Our DataScience.LA Meetup Raffles, Powered by R and dplyr!

September 2, 2014
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We have a few pieces of swag that we are raffling off to the community...

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New R course on Coursera: Data Analysis and Statistical Inference

September 2, 2014
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New R course on Coursera: Data Analysis and Statistical Inference

Yesterday (Monday 1st of September), a new session of Data Analysis and Statistical Inference, taught by Doctor Mine Çetinkaya-Rundel from Duke university, has started on Coursera. Just like with...

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“sinkr” – a collection of functions featured on “me nugget”

September 2, 2014
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“sinkr” – a collection of functions featured on “me nugget”

The R package sinkr (version 1.0) has now been released:  https://github.com/menugget/sinkrI have finally gotten around to learning how to create an R package...

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Using R to simulate the finances of public sector pension funds

September 2, 2014
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by Don Boyd, Senior Fellow, Rockefeller Institute of Government The Rockefeller Institute of Government is excited to be developing models to simulate the finances of public pension funds, using...

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Zoom, zoom, googleVis

September 2, 2014
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Zoom, zoom, googleVis

The Google Charts API is quite powerful and via googleVis you can access it from R. Here is an example that demonstrates how you can zoom into your chart....

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analyze the world values survey (wvs) with r

September 2, 2014
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a global barometer of public opinion, the world values survey (wvs) clocks in as your best source of cross-cultural moods, attitudes.   you might find its most famous product...

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Labor day distribution fun

September 1, 2014
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Labor day distribution fun

Pinned, entropy augmented, digitally normal distribution, of no particular work-related use and thus perfectly suitable for today. Code in R: iters = 1000 sd = 2 precision = 20...

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RSiteCatalyst Version 1.4 Release Notes

September 1, 2014
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RSiteCatalyst Version 1.4 Release Notes

It felt like it would never happen, but RSiteCatalyst v1.4 is now available on CRAN! There are numerous changes in this version of the package, so unlike previous posts,...

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Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

September 1, 2014
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Attention Is Preference: A Foundation Derived from Brand Involvement Segmentation

"A wealth of information creates a poverty of attention."Herbert SimonWe categorize our world so that we can ignore most of it. In order to see figure, everything else must...

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5 Ways to Do 2D Histograms in R

September 1, 2014
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5 Ways to Do 2D Histograms in R

Introduction Lately I was trying to put together some 2D histograms in R and found that there are many ways to do it, with directions on how to do...

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EditorConfig: force unified coding style from all your contributors

September 1, 2014
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EditorConfig: force unified coding style from all your contributors

In the past 10 years since I started using R, there were a series of things that changed the way I code (in chronological sequence): my first R function,...

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littler 0.2.0

September 1, 2014
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littler 0.2.0

We are happy to announce a new release of littler. A few minor things have changes since the last release: A few new examples were added or updated,...

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Yihui Xie, the useR! 2014 Interview

September 1, 2014
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yyyyyyyyyyyyyyyyyyihui

In science consensus is irrelevant. What is relevant is reproducible results. The greatest scientists in history...

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Points Per Touch (PPT): Running Backs

September 1, 2014
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Points Per Touch (PPT): Running Backs

Overview American writer Lewis Grizzard once said that “The game of life is a lot like football. You have to tackle your problems, block your fears, and score your...

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Rmetrics Software News

September 1, 2014
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog:...

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Introducing H2O Lagrange (2.6.0.11) to R

September 1, 2014
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From my perspective the most important event that happened at useR! 2014 was that I got to meet the 0xdata team and now, long story short, here I am introducing...

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A new candidate for worst figure

August 31, 2014
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A new candidate for worst figure

Today I read a paper that had been submitted to the IJF which included the following figure along with several similar plots. (Click for a larger version.) I haven’t...

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MongoDB – State of the R

August 31, 2014
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MongoDB – State of the R

Naturally there are two reasons for why you need to access MongoDB from R: MongoDB is already used for whatever reason and you want to analyze the data stored therein...

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Periodic matrix model for annual plant demography

August 31, 2014
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Periodic matrix model for annual plant demography

Let’s challenge to build a matrix population model of annual organisms and then calculate the population growth rate λ using R. Consider a simple life cycle of imaginary annual...

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Beta binomial revisited

August 31, 2014
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I got some comments on my priors of last week's post where better priors were proposed. Hence this week's post looks at them. After some minor adaptations, since I...

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Forecasts After Marina’s Turbulence

August 30, 2014
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Forecasts After Marina’s Turbulence

It’s more difficult than ever to tell who is going to continue in the runoff after the October 5th. After Marina’s campaign mate’s death, a big chunk of the...

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Age-Length Keys in FSA

August 30, 2014
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Age-Length Keys in FSA

I have updated the age-length key related functions in FSA and the age-length key vignette.  The details are below.   Let me know if you have questions or suggestions....

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pbapply()

In my previous post, I wrote about displaying a Windows progress bar (useful when going through long for-loops).  In the comments, a couple of users recommended that I check...

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BH release 1.54.0-4

August 29, 2014
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Another small new release of our BH package providing Boost headers for use by R is now on CRAN. This one brings a one-file change: the file any.hpp comprising the...

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LED is my new Hello World – R Time

LED is my new Hello World – R Time

Yep...as I have said many times before, the LED Number application has become my new Hello World...whenever I learn a new programming language I try to build this, because...

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