Good morning,
what about creating a buffer with a distance of your choice and counting the
points inside the buffer (count points inside polygon)? If you dissolve the
buffers, you should get the sum of accidents in a range defined by you
buffer distance. That could help in case your accident point
If every Accident has an ID for location you can use the group stats
plugin to summarize the # of wrecks in each location. You could then
save that out to a text file and join it to a point layer and get the
graduated symbol you are after.
If not - I'm thinking you set a very small buffer in e
Hi,
The easy way out is to do a cross tabulation in excel or libre office calc and
to then link both data bases together based on the point id. I think
there may also be a cross tabulation plugin in QGIS??? I would need to
look on a computer to make sure.
Nicolas Cadieux M.Sc.
Les Entrepris
Hi,
I'm having trouble working out what should be a simple problem.
I have data that lists all the traffic accidents in our local area. Each
accident has a unique ID, but there can be many accidents at the one
location.
I want to show the accumulated accident numbers using a graduated symbol
s