4158 search results for "git"

Contribute to The R Journal with LyX/knitr

February 17, 2013
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Contribute to The R Journal with LyX/knitr

(This paragraph is pure rant; feel free to skip it) I have been looking forward to the one-column LaTeX style of The R Journal, and it has arrived eventually. Last time I mentioned "it does not make sense to sell the cooked shrimps"; actually there is ...

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Gist for previous posts

February 17, 2013
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The more I use it, the more I understand the benefits and value of Github as a code-sharing resource. The gist found here is the R code for my posts on run scoring trends by league (found here, here, and here).  I will continue to use Github for t...

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Interactive stage-structured population model

February 16, 2013
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Interactive stage-structured population model

This is an example of interfacing R and shiny to allow users to explore a biological model often encountered in an introductory ecology class. We are interested the growth of a population that is composed of multiple, discrete stages or age classes. Patrick H. Leslie provides an in-depth derivation of the model in his 1945 paper “On the...

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More Haskell: a bootstrap

February 16, 2013
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More Haskell: a bootstrap

So my playing around with Haskell goes on. You can follow the progress of the little bootstrap exercise on github. Now it’s gotten to the point where it actually does a bootstrap interval for the mean of a sample. Consider the following R script: 10.31 2.5% 97.5% 9.72475 10.85200 So, that was a simple

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Interactive stage-structured population model

February 16, 2013
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Interactive stage-structured population model

This is an example of interfacing R and shiny to allow users to explore a biological model often encountered in an introductory ecology class. We are interested the growth of a population that is composed of multiple, discrete stages or age classes. Patrick H. Leslie provides an in-depth derivation of the model in his 1945 paper “On the...

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Market Filter Back Test Shiny web application

February 15, 2013
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Market Filter Back Test Shiny web application

Today, I want to share the Market Filter Back Test application (code at GitHub). This is the forth application in the series of examples (I plan to share 5 examples) that will demonstrate the amazing Shiny framework and Systematic Investor Toolbox to analyze stocks, make back-tests, and create summary reports. The motivation for this series

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Video: Data Mining with R

February 15, 2013
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Yesterday's Introduction to R for Data Mining webinar was a record setter, with more than 2000 registrants and more than 700 attending the live session presented by Joe Rickert. If you missed it, I've embedded the video replay below, and Joe's slides (with links to many useful resources) are also available. During the webinar, Joe demoed several examples of...

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Clustering Loss Development Factors

February 15, 2013
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Clustering Loss Development Factors

  Anytime I get a new hammer, I waste no time in trying to find something to bash with it. Prior to last year, I wouldn’t have known what a cluster was, other than the first half of a slang term used to describe a poor decision-making process. Now I’ve seen it in action a

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FillIn: a function for filling in missing data in one data frame with info from another

February 15, 2013
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Sometimes I want to use R to fill in values that are missing in one data frame with values from another. For example, I have data from the World Bank on government deficits. However, there are some country-years with missing data. I gathered data from ...

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January Seasonality Shiny web application

February 14, 2013
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January Seasonality Shiny web application

Today, I want to share the January Seasonality application (code at GitHub). This example is based on the An Example of Seasonality Analysis post. This is the third application in the series of examples (I plan to share 5 examples) that will demonstrate the amazing Shiny framework and Systematic Investor Toolbox to analyze stocks, make

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