Monthly Archives: August 2015

Legoplots in R (3D barplots in R)

August 28, 2015
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Legoplots in R (3D barplots in R)

I previously mentioned these, but I thought about it some more and went ahead and wrote an R implementation.  With very little work you could rejig this code to display all kinds of 3D bar plots; I’ve commented the code thoroughly so it should be easy to follow.  Immediately below is an example plot and…

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Hierarchical modeling workshop in Monpellier

August 28, 2015
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One-day teaching workshop at ICCB/ECCB congress in Monpellier on August 1st, 2015.

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Ensuring R Generates the Same ANOVA F-values as SPSS

August 27, 2015
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Ensuring R Generates the Same ANOVA F-values as SPSS

When switching to R from SPSS a common concern among psychology researchers is that R gives the "correct" ANOVA F-values. By "correct" they simply mean F-values that match those generated by SPSS. Because ANOVA F-values in R do not match those in SPSS by default it often appears that R is "doing something wrong". This is not the case....

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Plotting Time Series in R using Yahoo Finance data

August 27, 2015
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Plotting Time Series in R using Yahoo Finance data

by Joseph Rickert I recently rediscovered the Timely Portfolio post on R Financial Time Series Plotting. If you are not familiar with this gem, it is well-worth the time to stop and have a look at it now. Not only does it contain some useful examples of time series plots mixing different combinations of time series packages (ts, zoo,...

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New release: Choroplethr v3.2.0

August 27, 2015
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New release: Choroplethr v3.2.0

Today I am happy to announce that a new version of choroplethr, v3.2.0, is now available. You can get it by typing the following from an R console: install.packages("choroplethr") Note that it sometimes takes a few days for new packages to get copied to each CRAN mirror. If install.packages(“choroplethr”) only gets you version 3.1.0, please try again tomorrow. The post

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Coloring (and Drawing) Outside the Lines in ggplot

August 27, 2015
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Coloring (and Drawing) Outside the Lines in ggplot

Time for another Twitter-inspired blog post this week, this time from a tweet by @JonKalodimos: Is there a way to do this in #rstats #ggplot2 https://t.co/kxWQFlYpbB— Jonathan Kalodimos (@JonKalodimos) August 27, 2015 I had seen and appreciated Ann’s post on her makeover of the main graphic in NPR’s story and did a quick mental check

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Measuring business health with Delta LifeCycle Grids and R

August 27, 2015
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Measuring business health with Delta LifeCycle Grids and R

There are several posts connected with LifeCycle Grids on this blog. If you are not familiar with the concept I highly recommend you to start with Jim Novo’s book, his blog or, at least, from the first post about on my blog. We will study how to use LifeCycle Grids concept for measuring a health of... Read More »

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Spatio-Temporal Kriging in R

August 27, 2015
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Spatio-Temporal Kriging in R

PrefaceI am writing this post more for reminding to myself some theoretical background and the steps needed to perform spatio-temporal kriging in gstat. This month I had some free time to spend on small projects not specifically related to my primary occupation. I decided to spend some time trying to learn this technique since it may become useful in...

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abcfr 0.9-3

August 26, 2015
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abcfr 0.9-3

In conjunction with our reliable ABC model choice via random forest paper, about to be resubmitted to Bioinformatics, we have contributed an R package called abcrf that produces a most likely model and its posterior probability out of an ABC reference table. In conjunction with the realisation that we could devise an approximation to the

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Most popular R packages and R package dependency visualization.

August 26, 2015
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Most popular R packages and R package dependency visualization.

Author and Project: – Author: XAVIER CAPDEPON – Xavier was a student of the Data Science Bootcamp#2 (B002) – Data Science, Data Mining and Machine Learning –

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