data prep changes and rules for merged dataset from 07/03/2019 meeting

[cgmoreno]

for growpgh source - type set to "Grow PGH Garden"

for summer sites, new USDA source for 2019; type = "Summer Food Site"

on merged datasets applied following rules:

• if type = "Farmers Market", SNAP = 1
• if food_bucks = 1, SNAP = 1
• if type = "Farmers Market", FMNP = 1
• if type = "Farmers Market", food_bucks = 1

For easier long/lat look up -- changed address field to include street_one and street_two if address was NA.