
260 Spatial Point Patterns: Methodology and Applications with R
different point patterns, or to monitor changes in spatial cluster ing over time. Their main weakness
is that they compress all the spatial inf ormation into a single number, conflating information from
different spatial scales and different spatial locations.
8.2.3 E xploratory graphics
Nearest-neighbour and empty-space distances can also be represented spatially and graphically.
This can be useful for exploratory investigation of spatial point pattern data.
Region I
Region II
Ripley’s subset
Figure 8.3. California redwo od seedlings and
saplings, full d ataset of Strauss [643].
Figure 8.3 ...