Rolling-window add-on for plyr.

Documentation for package ‘rollply’ version 0.2

build_grid_ahull_crop	Create a grid within the alpha hull of a set of points.
build_grid_ahull_fill	Create a grid within the alpha hull of a set of points.
build_grid_identical	Create a regular grid with the same number of points on each dimension.
build_grid_proportional	Create a grid with a number of points on each dimension proportional to the length of that dimension.
rollply	Rollply