Closed GoogleCodeExporter closed 9 years ago
This won't be too difficult to do, especially with the use of the Boost Graph
Library. However, I need to know what qualifies as an "island" in the case of
non-symmetric weights. Do we say that an undirected graph (ie non-symmetric
weights) has no islands iff it is weakly connected, or do we require strongly
connected? My hunch is strongly connected, but I'm not sure.
Original comment by mmcc...@gmail.com
on 12 Jan 2011 at 8:23
This has been clarified. An "island" is really an "isolate." An isolated
observation is any observation that has no neighbors, although it may itself be
a neighbor of another observation. We should add another category to the LISA
map to indicate isolated observations which do not have valid LISA values. I
imagine that isolates need to be excluded from Moran's I calculations as well.
Original comment by mmcc...@gmail.com
on 14 Jan 2011 at 7:09
Resolved by SVN revision 1233. This will appear in 0.9.8.19 release. A new SVN
issue has been created to add a new class of LISA clusters for observations
with no neighbors.
Original comment by mmcc...@gmail.com
on 1 Feb 2011 at 10:36
Original issue reported on code.google.com by
jkoschin...@gmail.com
on 7 Dec 2010 at 9:39