At AIPL, we've been posting Manhattan plots of the marker effects for each breed-trait combination with each official release of our genomic predictions. For example, consider the plot of lifetime net merit for Holsteins from the April, 2010 run: Thes...
OK, so, the title of this article is actually Do not log-transform count data, but, as @ascidacea mentioned, you just can’t resist adding the “bitches” to the end. Onwards. If you’re like me, when you learned experimental stats, you were taught to worship at the throne of the Normal Distribution. Always check your data and
The proposal to create a StackExchange site for statistical analysis is steadily moving forward. We have now completed the scoping stage which involved finding enough people willing to express an interest in the idea, and voting on some example questions to define what is allowed and what is not allowed on the site. The on-topic
The Federal Reserve of St. Louis has an amazing amount of economic data available through their API. You need to apply for an API key, and once you have been approved you include your API key as URL parameter to access your data. api_key='YOUR API KE...
Ruby is best known as the language behind the rails web application framework. However, it is a very flexible general purpose language that can be used for tasks of direct interest to R Developers (parsing files, interacting with databases, processing...
Popping Part III off the stack—where I ended up unexpectedly discovering that the primes and primlist functions are broken in the schoolmath package on CRAN—let's see what prime numbers look like when computed correctly in R. To do this, I've had to roll my own prime number generating function.
Personalizing primes in R
For what I want...
Popping Part III off the stack—where I ended up unexpectedly discovering that the primes and primlist functions are broken in the schoolmath package on CRAN—let's see what prime numbers look like when computed correctly in R. To do this, I've had to roll my own prime number generating function.
Personalizing primes in R
For what I want...
At AIPL, we’ve been posting Manhattan plots of the marker effects for each breed-trait combination with each official release of our genomic predictions. For example, consider the plot of lifetime net merit for Holsteins from the April, 2010 run: These … Continue reading →
This was really frustrating. I’m trying to modify a package from Matt Johnson and although I could get the package he sent me to install flawlessly, I couldn’t un-tar it, make a change, re-tar it, and then R CMD INSTALL … Continue reading →
R is great for graphics, but I've found that the PDF's R produces when drawing large plots can be extremely large. This is especially common when using spplot() to plot a large raster. I've made a 15 page PDF full of rasters that was hundreds of MB in size. Obviously I don't need all the detail (every pixel of...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
