I m trying to create clusters of nearby points (which would be the adresses of my customers around a store). Buffer is not an option cauz i need the zone to be limited by customers, so a polygone shape not round I've tried the convex hull but then my attibute table is empty and I need all the associated data inside the shape I've also tried contour but i have 500 stores and i need to do it for each store separately The point to polygone extension considers all the points together

Does someone have an idea of how to do this? I've tried looking into the questions but i can't find a specific answer to my problem I'm working on QGIS 2.0.1

Thank you