"","Estimate","Cluster s.e.","t value","Pr(>|t|)","Analysis","Variable","Location" "Tourism",-0.005,0.009,-0.635,0.535,"PA","Tourism","Inside PA + Buffer 3km" "PopDensity",-0.047,0.069,-0.677,0.508,"PA","Pop. Density","Inside PA + Buffer 3km" "Precipitation",-0.01,0.007,-1.443,0.168,"PA","Precipitation","Inside PA + Buffer 3km" "OilPriceAdj",-0.068,0.147,-0.466,0.648,"PA","Oil Price","Inside PA + Buffer 3km"