4.6 SLIDE Vectors - Spatial Aggregation
condenses data
mean, average or sum - return single value per grouping variable - like Section 3.2.3
Book revisits NZ earlier example and aggregates average value of height of the features. Fig 4.8
condenses data
mean, average or sum - return single value per grouping variable - like Section 3.2.3
Book revisits NZ earlier example and aggregates average value of height of the features. Fig 4.8