R has many powerful libraries to handle spatial data, and the things that R can do with maps can only grow. This exercise tries to demonstrate a few basic functionalities of the ggmap package in R while dealing with raster images. The ggmap package can be used to access maps ... [Read more...]

In many situations, we require that several plots are placed in the same figure as subplots. R has various ways of doing it. Base Graphics has three different ways to draw subplots, i.e. mfrow, layout and split.screen, with increasing degree of complexity, and, at the same time, with ... [Read more...]

R has many powerful libraries to handle spatial data, and the things that R can do with maps can only grow. This exercise tries to demonstrate a few basic functionalities of R while dealing with shapefiles. A shapefile is a simple, nontopological format for storing the geometric location and attribute ... [Read more...]