Geographic Data and Mapping Flashcards

Which Tableau field role icon (globe) indicates a field has been assigned a geographic role?

Answer: A small globe icon next to the field

Tableau displays a small globe icon beside any dimension assigned a geographic role.

What happens when you double-click a field with a geographic role like Country in Tableau?

Answer: It automatically generates a map view with Latitude and Longitude

Double-clicking a geographic field auto-creates Latitude (generated) and Longitude (generated) and plots a map.

Which geographic role would you assign to U.S. five-digit postal codes?

Answer: ZIP Code/Postcode

The ZIP Code/Postcode role maps five-digit U.S. postal codes to coordinates.

What is the purpose of the 'Edit Locations' dialog in Tableau?

Answer: To resolve unrecognized or ambiguous geographic values

Edit Locations lets you match ambiguous or unknown place names to the correct geographic location.

In Tableau, what does the 'X unknown' indicator in the lower-right of a map typically mean?

Answer: Some location values could not be matched to the map

The unknown indicator counts location values Tableau could not geocode or match.

Which map type in Tableau encodes values by shading geographic areas (polygons) with color intensity?

Answer: Filled map (choropleth)

A filled (choropleth) map colors entire geographic regions based on a measure's value.

What does a symbol map (point map) in Tableau use to represent each location?

Answer: A mark such as a circle plotted at the location's coordinates

A symbol map places individual marks (often circles) at each location's coordinates.