Mapping in Tableau
Please review this mapping tutorial
basic-mapping-transcript
Sample Workbook
Videos: https://www.tableau.com/learn/tutorials/on-demand/getting-started-mapping?playlist=230855
Build a Map COVID-19 Positivity in Arkansas Counties
Data: County data for one day.
–Import the countyonlytoday.csv data as text into Tableau
–Check the geographic role of county is assigned to county.
–Go to Sheet 1:
a) drag Longitude to columns
b) Latitude to rows
c) County Name to the pane
–A map of Arkansas appears.
d) In top Menu: MAP | Edit Locations | State / Province | Fixed – Select the great state of Arkansas
–The map now has all counties represented as dots
e) In Marks card: Change Automatic to Map
f) drag Positive to the pane – you now have a map of positive rates by county.
Video below with all of these steps:
Dual Mapping – Bubble Maps
Tutorial
https://onlinehelp.tableau.com/current/pro/desktop/en-us/maps_dualaxis.html
Using countyonlytoday.csv
New sheet, begin map: Drag counties to map
Fix the missing counties: Map | Edit Locations | Fixed | Arkansas
Marks Card | Map
Drag Deaths map
Here’s where it is tricky:
Click on Longitude pill in Columns. Press Command key. Drag to Right. Release mouse
–Creates two Longitude pills and two maps
–Marks Card Now Has Controls for Two Maps
Marks Card Has Two Maps.
Lower Map, Drag off color pill. Marks Card, switch to Circle.
Drag Deaths to Size. Enlarge the Circles
Drag Deaths to Labels.
In Columns, Select Down Arrow on Longitude | Dual Axis
–Maps are combined
Drag County to Marks Card | Tooltip
Edit Tooltips so data displays properly