changed defaults for risk-factor values to -1
changed defaults for risk-factor values to -1

codefordurham/Durham-Restaurants,codefordurham/food-inspector,codefordurham/food-inspector,codefordurham/food-inspector,codefordurham/food-inspector,codefordurham/Durham-Restaurants,codefordurham/Durham-Restaurants,codefordurham/Durham-Restaurants