4159 search results for "git"

The Rcpp Gallery and my <em>Seinfeld Streak</em>

February 3, 2013
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A good three weeks ago, we introduced the Rcpp Gallery. While this is a joint effort by several of us on the Rcpp team, the backend was conceived and implemented entirely by JJ who also bootstrapped it with same first content, drawing on posts by Ha...

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Arc Diagrams in R: Les Miserables

February 3, 2013
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Arc Diagrams in R: Les Miserables

In this post we will talk about the R package “arcdiagram” for plotting pretty arc diagrams like the one below: Arc Diagrams An arc diagram is a graphical display to visualize graphs or networks in a one-dimensional layout. The main idea is to display nodes along a single axis, while representing the edges or connections … Continue reading...

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A package for agricultural statistic: FAOSTAT

February 3, 2013
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After 8 years of using R, today I finally become a contributor to the community and released my first package, FAOSTAT.The package is designed to provide user with direct access to the FAOSTAT data base via R and to support the...

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Scatterplot with marginal boxplots

February 3, 2013
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Scatterplot with marginal boxplots

Using R and ggplot2 to draw a scatterplot with the two marginal boxplotsDrawing a scatterplot with the marginal boxplots (or marginal histograms or marginal density plots) has always been a bit tricky (well for me anyway). The approach I take here is, first, to draw the three separate plots using ggplot2:the scatterplot;the horizontal boxplot to appear in the...

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InstallOldPackages: a repmis command for installing old R package versions

February 3, 2013
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A big problem in reproducible research is that software changes. The code you used to do a piece of research may depend on a specific version of software that has since been changed. This is an annoying problem in R because install.packages only installs the most recent version of a package. It can be tedious to collect the old...

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qdap 0.2.0 released

February 2, 2013
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qdap 0.2.0 released

This is the first CRAN release of qdap (qdap 0.2.0) found here.  qdap (Quantitative Discourse Analysis Package) is an R package designed to assist in quantitative discourse analysis. The package stands as a bridge between qualitative transcripts of dialogue and … Continue reading →

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Yen and JGBs Short-Term vs Long Term

February 1, 2013
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Yen and JGBs Short-Term vs Long Term

I have read some articles arguing that the recent move in the Japanese Yen is overdone.  However, considering the short-term without regard to the long-term context is naïve and potentially dangerous.  Although I do not have significant proo...

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Overdispersion with different exposures

February 1, 2013
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Overdispersion with different exposures

In actuarial science, and insurance ratemaking, taking into account the exposure can be a nightmare (in datasets, some clients have been here for a few years – we call that exposure – while others have been here for a few months, or weeks). Somehow, simple results because more complicated to compute just because we have to take into account...

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#13 Mapping in R: Representing geospatial data together with ggplot

February 1, 2013
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#13 Mapping in R: Representing geospatial data together with ggplot

I have been trawling around for a while now trying to find a simple and understandable way of representing geospatial data in R, whilst retaining the ability to manipulate the visualisation in ggplot. After much searching I came across some articles which got me to a working product only after a lot of ball ache.

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Taking Expectations to the Next Level

January 31, 2013
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Taking Expectations to the Next Level

Higher Expectations I came across this post on Thursday and found it to be quite interesting. Clearly rental prices vary according to where you live. That isn't too surprising. I started thinking a bit more about it and thought that Boston and the nearby communities would have to...

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