Monthly Archives: August 2014

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 seen anything this bad for a long time. In fact, I think I would find it very difficult to reproduce using R, or even Excel (which is particularly adept at...

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BayesFactor version 0.9.8 released to CRAN

August 31, 2014
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BayesFactor version 0.9.8 has been released on CRAN! This is a both a bug fix and feature update. From the NEWS: Fixed bugs in model enumeration code Fixed bug leading to wrong computation of number of covariate when interactions between cont...

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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 You decide you want store your data in MongoDB instead of … Continue reading →

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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 plants; … Continue reading →

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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 have nine beta parameters and beta needs to be fairly high, I can conclude that these pr...

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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 electorate have been persuaded towards the alternative between PT and PSDB. The values I used to start the chains, my initial beliefs, were that Dilma would

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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. FSA Changes All code that used ageKey(), ageKeyPrep(), and ageKeyPlot() should … Continue reading →

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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 out pbapply().  This function is great too (and works on all … Continue reading →

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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 Boost.Any library --- as requested by a fellow package maintainer needing it for a pe...

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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 it compromises several language constructs and makes you learn more by trying to...

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