Here are some resources we found helpful over the course of our project.
NY Post Worst Parking Spots: identifies streets in NYC incurring the most parking tickets.
Geosphere Package: includes documentation regarding the use of the destPoint function.
Map Overlay: discusses how to use the over function to determine whether points are within a polygon.
Reverse Geocoding: documentation on using the revgeo function to obtain a street address from a set of coordinates.
NY State Fire Code: describes the requirements for fire hydrant placing in NY state.