Orthogonal projection of 13 original pumps.
ortho.proj.pumpA data frame with 6 variables that records the position of the orthogonal projection of the 13 original pumps onto the network of roads.
pump.idnumeric ID
road.segment"address" road segment
x.projx-coordinate
y.projy-coordinate
ortho.distorthogonal distance to home road segment
nodenode ID
lonlongitude
latlatitude