
4
Inspecting and Explorin g Data
This Chapter covers techniques for inspecting, manip ulating and exploring spatial data.
4.1 Plotting
Graphics are essential in statistical science. In spatial statistics, plotting the original spatial d ata
is useful for checking errors in the data reco rd, for motivating the appropriate analysis, and for
investigating anomalies. Plotting transformations of the data, and results of the analy sis, is essential
for exploratory and formal statistical analysis. Effective plots of spatial data are important for
communication.
4.1.1 Overview of plot commands
The generic plot function in R is intended to ‘gene rate a sensible ...