The knitr package provides an easy way to embed R code in a Jekyll-Bootstrap blog post. The only required input is an R Markdown source file. The name of the source file used to generate this post is 2012-07-03-knitr-jekyll.Rmd, available here. Steps taken to build this post are as follows:
Create a Jekyll-Boostrap blog if...
I’d like to introduce you to the Grid2Polygons function; an R function for converting sp spatial objects from class SpatialGridDataFrame to SpatialPolygonsDataFrame. The significance of this conversion is that spatial polygons can be transformed to a different projection or datum with the spTransform function in package rgdal. Postscript files created with spatial polygons are reduced in size and...
I’d like to introduce you to the Grid2Polygons function; an R function for converting sp spatial objects from class SpatialGridDataFrame to SpatialPolygonsDataFrame. The significance of this conversion is that spatial polygons can be transformed ...
Colors are mysterious business and choosing the right color or color palette for an R graphics can sometimes be a chore. To alleviate this burden, I present two functions for choosing color values.
To access these functions install the RSurvey and dichromat packages:
install.packages(c("RSurvey", "dichromat"))
library(RSurvey)
The first function, ChooseColor (source), calls upon a graphical user interface (GUI)...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
