It can be difficult to work your way through hierarchical Bayes choice modeling. There is just too much new to learn. If nothing else, one gets lost in all ways that choice data can be collected and analyzed. Then there is all this ou...
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Easily plotting grouped bars with ggplot #rstats
Summary This tutorial shows how to create diagrams with grouped bar charts or dot plots with ggplot. The groups can also be displayed as facet grids. Importing the data from SPSS All following examples are based on an imported SPSS … Weiterlesen →
Load Balanced Parallelization with snowfall
For some reason, I didn't notice a few months ago the best way to perform a parallelized version of Lapply with package snowfall. We implemented the parallel version of function lapply with the function sfLapply, in the development of our pipeline p...
Shiny with PerformanceAnalytics Example
The folks at Rstudio have done some amazing work with the shiny package. From the shiny homepage, “Shiny makes it super simple for R users like you to turn analyses into interactive web applications that anyone can use.” Developing web applications has always appealed to me, but hosting, learning javascript, html, etc. made me put … Continue reading...
The options mechanism in R
Customization in R. Basics Several features benefit from being customizable — either because of personal taste or specifics of the environment. The way R implements this flexibility is through the options function. This both sets and reports options. For example, we can see the names of the options that are set by default: > names(options())
The post The...
Summary of My First Trip to Strata #strataconf
In this post I am goIing to summarize some of the things that I learned at Strata Santa Clara 2013. For now, I will only discuss the conference sessions as I have a much longer post about the tutorial sessions that I am still working on and will post at a later date. I will add to this post...
Automatic Notice When Vacancy Available
Today, I visited a webpage inadvertently and found several job positions that I am competent with, unfortunately all of them has expired. How many chances we lost in this way?! So I decide to do somthing to limit this kind of loss, and of course using our smart R!
The idea is simple: check the job vacancy webpages reguarly, if...
R Bootcamp Materials!
Learn about ColoRs in R!Analyze model results with custom functions.Good and Bad GraphicsTo train new employees at the Wisconsin Department of Public Instruction, I have developed a 2-3 day series of training modules on how to get work done in R. These...
the BUGS Book [guest post]
![the BUGS Book [guest post]](http://www.mrc-bsu.cam.ac.uk/bugs/thebugsbook/bugsbook_cover.png)
(My colleague Jean-Louis Fouley, now at I3M, Montpellier, kindly agreed to write a review on the BUGS book for CHANCE. Here is the review, en avant-première! Watch out, it is fairly long and exhaustive! References will be available in the published version. The additions of book covers with BUGS in the title and of the corresponding 
Multi-species dynamic occupancy model with R and JAGS
This post is intended to provide a simple example of how to construct and make inferences on a multi-species multi-year occupancy model using R, JAGS, and the ‘rjags’ package. This is not intended to be a standalone tutorial on dynamic community occupancy modeling. Useful primary literature references include MacKenzie et al. (2002), Kery and Royle (2007), Royle and Kery...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
