loading joining census_data_arcmap
TRANSCRIPT
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Open ArcMap. Click on the Add Data button to addthe census dbf file and the Canada Digital Boundaryfile.
The ‘Add Data’ icon…
Load the data in ArcMap
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Both files should appear in the table of contents
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Join the two files
• To join the two files, a common field containing the same values must be identified.
• To identify a common, open the attribute table for both files by right clicking on each file and selecting Open Attribute Table.
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• You will notice that CTUID from the boundary file is common to COL1 in the census table. We will use these two fields highlighted below for our join.
• Close the Attribute Tables.
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• To join the census data to the boundary file, right click on the boundary file and select “Join and Relates.”
• Select “Join.”
Note: Do not join startingwith the dbf file to theboundary file.
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In this Join window, choose the fields that the join will be based on.
• In this example, we use CTUID, and are basing this join on COL1 from the census table.
• Select the radio bottom to “keep only matching records”
• Click OK.
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Open the Attribute Table to see if the join worked.
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If the join was successful, remove the .dbf file
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To visualize the census data, right-click on the layer, and selectProperties
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The layer properties-window will open
Click on Symbology
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Under Quantities on the left, select Graduated Colors.
You can now visualize the census data using the color ramp
In this example, we chose to visualize col4
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