2149 search results for "twitteR"

Programming languages, ranked by popularity

December 17, 2010
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Programming languages, ranked by popularity

In a presentation to the Chicago R User Group last night, Drew Conway used his new Infochimps package in R to assess the relative popularity of programming languages. Drew used the word.stats function in the Infochimps package to count the frequency of common computer languages mentioned in Twitter messages, and displayed the results in this bar chart: It's not...

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Disas-tea-R at dawn

December 16, 2010
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Disas-tea-R at dawn

This was bound to happen sooner or later, given my addiction to tea and sleepless nights, so I eventually managed to spill a cup of tea over my Mac… I had been working for a few hours in my hotel room in Philadelphia, completing an ABC paper with Jean-Michel Marin and Robin Ryder. We had

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Area plots unmasked

December 15, 2010
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Area plots unmasked

RESULTS OF THE GREAT AREA PLOT QUIZ If you are the type of reader who remembers things from last week, you may remember the great area plot quiz we had running. This week, we are excited to announce that the results are in. The plot above shows answers to the four questions. The correct answers

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Examples for infochimps Package, and Intro Slides

December 15, 2010
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Examples for infochimps Package, and Intro Slides

Tomorrow I am headed out of town for a few weeks, so posting will be lighter than the usual lightness. My first stop is Chicago, and tomorrow night I will be speaking about my R package for the infochimps API at the Chicago R Users Group. If you are in the Chicagoland area and

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Logical operators in R

December 14, 2010
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Logical operators in R

In R, the operators “|” and “&” indicate the logical operations OR and AND. For example, to test if x equals 1 and y equals 2 we do the following: > x = 1; y = 2 > (x == 1) & (y == 2) TRUE However, if you are used to programming in

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Adap’skiii [latest]

December 13, 2010
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Adap’skiii [latest]

Just to point out there still is room for more participants to the Adap’skiii workshop! We have now reached 60 participants for this Utah workshop and would welcome more, quite obviously! All participants are also free to present a poster on the evening of the 4th, in the bar. Filed under: pictures, R, Statistics, Travel,

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Ghcn V3 Metadata improvements

December 12, 2010
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Ghcn V3 Metadata improvements

The Global Historical Climate Network  (GHCN) is in it’s beta stage. On of the stated goals of the project is to improve the metadata that is provided for the station data.  Over the past few months several independent volunteers have been focusing on the issue of station metadata, each with their own focus. Ron Broberg

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socialR: Reproducible Research & Notebook integration with R

December 10, 2010
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socialR: Reproducible Research & Notebook integration with R

I’ve created an R package that uses social media tools for reproducible research.  The goal of the package is this: whenever I run a code, output figures are automatically added to my figure repository (Flickr), linked to the timestamped version of the code that produced them in the code repository.  Figures should be tagged by

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Confidence bands with lattice and R

December 10, 2010
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Confidence bands with lattice and R

If you use lattice with R, and you need to plot confidence limits in your graphic, then panel.smoother and panel.quantile from latticeExtra will help you with this task. These functions internally calculate the error bounds and use panel.polygon from lattice. If you need to plot your own confidence limits, then you have to define a

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An R interface to the Google Prediction API

December 10, 2010
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An the New York R User Group* last night, 100 R users heard Ni Wang and Max Lin talk explain how "R is one of the important tools used by analysts and engineers at Google for analyzing data". During the talk, Lin revealed that Google plans to make "R more integrated with internal machine learning algorithms and infrastructure", and...

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