Bauman_Lab 1

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University of Minnesota-Twin Cities *

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1152

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Geography

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Apr 3, 2024

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docx

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Download and Submission: Click “File” → “Download as” → “Microsoft Word (docx)”. Once downloaded, fill in your responses to the questions and when completed, upload to Canvas. Lab 1 Deliverable Name: Carter Bauman 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? The smallest unit ever used was a Census Block, or a city block. What is the largest unit available for mapping the US in Social Explorer? The largest unit available is state. 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. One method of collecting data, in person data gathering, may result in undercounting because people who live in very remote areas or don’t trust the government are less likely to talk to the people that go out and try to gather the information. (2.4.2 para. 3) 3. In creating your map of renter housing, you used the 2010 Census Tract as your choice in the map selection menus. Now, let’s say you want to track changes in housing over time by comparing two periods: 1940 and 2010. Select 1940 Census Tract and explore the data categories available in the menus below. You can use Social Explorer’s “Side by side” view to look at the 1940 and 2010 results within the same screen, if you’d like (check out Social Explorer’s Use Side by side and Swipe maps help page). There are differences between the 1940 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. Describe a difference between the 1940 and 2010 data pertaining to housing in terms of interoperability. In other words, is there a difference between years in how attributes are measured or in how the data are mapped spatially? There is a difference between the 1940 and 2010 data sets because in 2010 the ability to gain knowledge for the census was far more advanced. Email’s could be sent out to homeowners in 2010 to complete the forms which made it more readily available. 4. Insert your completed map (of the number of renter occupied housing units in 2010 (“Occupied Housing Units: Renter Occupied”) mapped by Census tract) below . Follow the instructions in the “Maps in Assignments” guide on Canvas to complete your map. Occupied Housing Units: Renter Occupied (2010) Figure 1: Renter occupied housing units in the USA from 2010

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