Lab 1_ Deliverable
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School
University of Minnesota-Twin Cities *
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Course
1502
Subject
Geography
Date
Dec 6, 2023
Type
Pages
2
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Lab 1 Deliverable
Name:
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1. When you read about census data in the Social Explorer help files and online at the US Census website,
and when you play around with the map selection menus, you will notice that census geography has a
hierarchical organization. In this hierarchy, different spatial units nest inside each other (e.g. census tracts nest
within counties).
What is the
smallest
unit ever used in the census geography hierarchy?
Type your answer here
What is the
largest
unit available for mapping the US in Social Explorer?
Type your answer here
2. The reading describes many aspects of data and data collection, ranging from the fine technical details to
the larger social, political, and economic dimensions.
First describe one method of data collection for the Census that may result in undercounting or
misrepresentation. Then describe the political implications of undercounting or misrepresentation. Make sure to
refer to a specific passage in the reading, citing it and providing a section number (each section has a number,
like 2.1 or 2.5). Keep in mind that if you use text verbatim (e.g., copy it directly), you must use quotation
marks. Consult the course guide on avoiding scholastic dishonesty for more information.
Type your answer here
3. In creating your map of renter housing, you used the 2010 Census Tract as your choice in the map selection
menus; see Figure 2 in the lab assignment for an example of these menus. Now, let’s say you want to track
changes in housing over time by comparing two periods: 1950 and 2010. Select 1950 Census Tract and
explore the categories available in the menus below. You will see differences between the 1950 and 2010
censuses. These differences often result in poor data interoperability because some of the attribute data
measure different variables from year to year, and some of the spatial data don’t describe the same places in
the same way. As discussed in lecture, for example, spatial data mapped at different resolutions (i.e., counties
in one map, zip codes in another) are less interoperable than data reported at the same resolution.
Comparing the 1950 and 2010 data pertaining to housing, describe one difference in terms of attribute
interoperability, and one difference in terms of spatial interoperability.
Type your answer here
How would these differences affect your ability to track changes in the housing variable over time?
Type your answer here
4. Insert your completed map below.
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