# Episode 14: A Torrance Data Workflow Combines question design, source selection, reproducibility, uncertainty, and local context. ## Sources and attribution - [Discovering the American Community Survey](https://www.census.gov/data/academy/courses/discovering-the-american-community-survey.html) by Vicki Mack and U.S. Census Bureau; published by U.S. Census Bureau Census Academy. - [Understanding and Using American Community Survey Data: What All Data Users Need to Know](https://www.census.gov/content/dam/Census/library/publications/2020/acs/acs_general_handbook_2020.pdf) by U.S. Census Bureau; published by U.S. Census Bureau. - [Data Tables](https://www.census.gov/programs-surveys/acs/data/data-tables.html) by U.S. Census Bureau American Community Survey; published by U.S. Census Bureau. - [Comparing ACS Data](https://www.census.gov/programs-surveys/acs/guidance/comparing-acs-data.html) by U.S. Census Bureau American Community Survey; published by U.S. Census Bureau. - [Introduction to the Census Bureau Data API](https://www.census.gov/data/academy/courses/intro-to-the-census-bureau-data-api.html) by U.S. Census Bureau Census Academy instructors; published by U.S. Census Bureau Census Academy. - [Census Data API Terms of Service](https://www.census.gov/data/developers/about/terms-of-service.html) by U.S. Census Bureau; published by U.S. Census Bureau. - [Census Geographic Relationship Files](https://www.census.gov/geographies/reference-files/time-series/geo/relationship-files.html) by U.S. Census Bureau Geography Program; published by U.S. Census Bureau. - [About Torrance](https://www.torranceca.gov/Government/About-Torrance) by City of Torrance; published by City of Torrance. - [General Plan](https://www.torranceca.gov/Government/Departments-Offices/Departments-Offices/Community-Development/Planning-Division/Comprehensive-Planning/General-Plan) by City of Torrance; published by City of Torrance. - [General Plan: Housing Element](https://www.torranceca.gov/Government/Departments-Offices/Departments-Offices/Community-Development/Planning-Division/Comprehensive-Planning/General-Plan) by City of Torrance; published by City of Torrance. - [Transportation Analysis Requirements for Private Development](https://www.torranceca.gov/Government/Departments-Offices/Departments-Offices/Public-Works/Traffic-Engineering/Transportation-Analysis-Requirements-for-Private-Development) by City of Torrance; published by City of Torrance. - [Financial Documents and Audit Reports](https://www.torranceca.gov/Government/Departments-Offices/Departments-Offices/Finance/Audit-Reports) by City of Torrance; published by City of Torrance. This episode is an independent study production based on the sources listed above. Source attribution does not imply affiliation, approval, sponsorship, or endorsement by any author, publisher, or institution. ## License U.S. Government work not subject to copyright in the United States; third-party material excluded; U.S. Government work not subject to copyright in the United States; API terms apply; Use subject to Census Data API Terms of Service and required non-endorsement notice; Copyrighted local government webpage; facts summarized with attribution, no expressive text reproduced; Copyrighted local government webpage; document availability summarized with attribution ## Production notes Independent educational production. Not an official U.S. Census Bureau or City of Torrance course, not endorsed or certified by either, and not legal or statistical advice. The narration is an original synthesis. Verify current law, guidance, course requirements, and source terms before relying on it. Stable episode ID: `ad2ea53e-3145-5f46-94cc-94ab8b1a98f5` ## Transcript This episode focuses on end-to-end practice. Census data becomes useful when the population, measure, geography, and time period are stated before anyone searches for a number. A defensible workflow begins with a written question, decision owner, population, measure, geography, period, and acceptable uncertainty. It then selects the Census program and the local primary source for their distinct roles. Create a source register with titles, publishers, URLs, vintages, table or variable identifiers, universes, geographic codes, and retrieval dates. Save raw downloads and API requests before calculations. Check margins of error, product compatibility, boundary changes, inflation, and disclosure constraints. Record every transformation and preserve a dated interpretation that distinguishes evidence from assumptions and adopted policy. Torrance application segment. This local application is separate from the Census Academy instruction. The cited City of Torrance primary source is City of Torrance primary-source set, published at https://www.torranceca.gov/Government/About-Torrance. For a local analysis, assemble the About Torrance, General Plan, housing, transportation-analysis, and audit pages as separately labeled local records, then pair each claim with the appropriate federal dataset. Do not present City policy or administrative records as Census Bureau findings, and do not present a federal estimate as adopted City policy. Keep a reproducibility packet containing the question, source URLs, exact vintage, table or query, geography codes, raw result, calculations, and uncertainty note. This narration is an original synthesis of cited U.S. Census Bureau government works and separately cited City of Torrance material. Third-party videos, software, graphics, and linked works are excluded. This product uses Census Bureau information but is not endorsed or certified by the Census Bureau. It is not an official City product and does not imply City endorsement.