4337 search results for "git"

shinyPsychometric: simulating how experimental choices affect results uncertainty

July 25, 2013
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shinyPsychometric: simulating how experimental choices affect results uncertainty

In the R community, Shiny is trending a lot. Shiny is an R package for developing interactive web applications. I wanted to give it a try, and ended up with an app to simulate the impact of data collection choices on the outcome reliability of a curve fitting process. I wrote the code behind it

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Deferred evaluation in Renjin, Riposte, and pqR

July 24, 2013
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Deferred evaluation in Renjin, Riposte, and pqR

The previously sleepy world of R implementation is waking up.  Shortly after I announced pqR, my “pretty quick” implementation of R, the Renjin implementation was announced at UserR! 2013.  Work also proceeds on Riposte, with release planned for a year from now. These three implementations differ greatly in some respects, but interestingly they all try

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A Note About proj4 in R

July 24, 2013
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It's been a long time since I had to transform some coordinates 'manually'. I mean I had a list of coordinates that I needed to project. There are some nice proprietary tools for it, but who needs them when the opensource is everywhere?Proj4 is an ...

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Making infographics using R and Inkscape

July 24, 2013
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Making infographics using R and Inkscape

I have been making charts with R for almost as long as I have been using R, and with good reason: R is an amazing tool for filtering and visualizing data. With R, and particularly if we use the excellent ggplot2 library, we can go from raw data to compelling visualization in minutes. But what if we want...

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Making infographics using R and Inkscape

July 24, 2013
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Making infographics using R and Inkscape

I have been making charts with R for almost as long as I have been using R, and with good reason: R is an amazing tool for filtering and visualizing data. With R, and particularly if we use the excellent ggplot2 library, we can go from raw data to compelling visualization in minutes. But what if we want to...

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Archival, Analysis, and Visualization of #ISMBECCB 2013 Tweets

July 24, 2013
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Archival, Analysis, and Visualization of #ISMBECCB 2013 Tweets

As the 2013 ISMB/ECCB meeting is winding down, I archived and analyzed the 2000+ tweets from the meeting using a set of bash and R scripts I previously blogged about.The archive of all the tweets tagged #ISMBECCB from July 19-24, 2013 is and ...

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Making infographics using R and Inkscape

July 24, 2013
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Making infographics using R and Inkscape

I have been making charts with R for almost as long as I have been using R, and with good reason: R is an amazing tool for filtering and visualizing data. With R, and particularly if we use the excellent ggplot2 library, we can go from raw data to comp...

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Electricity Usage in a High-rise Condo Complex pt 4

July 24, 2013
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Electricity Usage in a High-rise Condo Complex pt 4

This is the fourth article in the series, where the techiness builds to a crescendo. If this is too statistical/programming geeky for you, the next posting will return to a more investigative and analytical flavor. Last time, we looked at … Continue reading →

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R Credit Scoring – WoE & Information Value in woe Package

July 23, 2013
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R Credit Scoring – WoE & Information Value in woe Package

In credit scoring, Information Value (IV) is frequently used to compare predictive power among variables. When developing new scorecards using logistic regression, variables are often binned and recoded using WoE concept. Package riv will help you to a...

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Using survival models for marketing attribution

July 23, 2013
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by Andrie de Vries Prior to joining Revolution Analytics in March this year, I spent several years in the field of market research and survey analytics. During this period, I spent a few months consulting to a digital marketing agency based in London. My role was to help build their capability in building customer surveys and integrating these into...

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