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# System prepended metadata

title: Week 4 More complex geo-processing

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# Week 4 More complex geo-processing

## Step 1. Fishnet: GridTopology()

## Step 2. Spatial intersection: gIntersection()

## Step 3. Field calculation: xtabs()

## Step 4. Data join: left_join()

## Step 5. Spatial mapping: choropleth()
