So I was trying to figure out a fast way to make matrices with randomly allocated 0 or 1 in each cell of the matrix. I reached out on Twitter, and got many responses (thanks tweeps!). Here is the solution I came up with. See if you can tell why it...
228 search results for "knitr"
Generate simple HTML slides using deck.js and markdown
RStudio and knitr are an excellent conbination for generating dynamic reports. But in this blog, I will show you how to generate HTML-style presentaion using R only. OK, I confess that we still need something else: deck.js and markdown and R.utils. ...
Setting Up the Development Version of R
My coworkers at Fred Hutchinson regularly use
the development version of R (i.e., R-devel) and have urged me to do the same.
This post details how I have set up the development version of R on our Linux server,
which I use remotely because it is much faster than my Mac.
First, I downloaded the R-devel source into ~/local/, which...
Custom CSS for HTML generated using RStudio
People have been telling me for a while that the latest version of RStudio, the IDE for R, is a great way to generate reports. I finally got around to trying it out and for once, the hype is justified. Start with this excellent tutorial from Jeremy Anglim. Briefly: the process is not so different 
Open Research Data Processes: KMi Crunch – Hosted RStudio Analytics Environment
One of the possible barriers to widespread adoption of open notebook science is knowing where to start. Video reports of lab experiments hosted on Youtube can be easily embedded in a hosted WordPress blog; a MediaWiki wiki can be used to provide one page per experiment, with change tracking/history on each page and a shadow 
ggplot2 maps with insets
Here's a quick demo of creating a map with an inset within it using ggplot. The inset is achieved using the gridExtra package. Install libraries, set directory, read file setwd("/Users/ScottMac/Dropbox/CANPOLIN_networks_ms/data") # change ...
Creating beautiful reports from R with knitr
People use the R language every day to create the elements of reports: tables, charts, analyses, and forecasts. But assembling all of that information into a print-ready document laid out with text can a hassle. You can cut-and-paste all of the elements into Word, but then what do you do when the data file gets updated at the last...
Mid-August flotsam
Reached mid-semester point, with quite a few new lectures to prepare. Nothing extremely complicated but, as always, the tricky part is finding a way to make it meaningful and memorable. Sometimes, and this is one of those times, I sound … Continue reading →
read raster data in parallel
Use library(parallel) to read raster data in parallel fashion
Recently, I have been doing some analysis for a project I am involved in. In particular, I was...
The Statistical Sleuth (second edition) in R
For those of you who teach, or are interested in seeing an illustrated series of analyses, there is a new compendium of files to help describe how to fit models for the extended case studies in the Second Edition of the Statistical Sleuth: A Course in...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
