] sum number of events by covariate using applynbd
PLEASE!!! Do NOT confuse "covariate" with "mark". They are very different
concepts. You want to "segregate by ***mark***" (etc.) NOT by covariate. The
latter makes no sense at all.
As to how to accomplish th
PLEASE!!! Do NOT confuse "covariate" with "mark". They are very
different concepts. You want to "segregate by ***mark***" (etc.)
NOT by covariate. The latter makes no sense at all.
As to how to accomplish the desired task, see below.
On 12/05/12 09:23, Wall, Wade A ERDC-RDE-CERL-IL wrote:
Hi all,
I am wanting to sum the number of events within r=5 distance of a set of points
and segregate by a covariate. I want to use the function applynbd, but not sure
how to write a custom function to do this.
For example, I have a ppp object, LS.ppp. LS.ppp$marks has two levels, M and F.
Fo
