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What’s New in Data?. Liesl. Overview. Changes in data availability Climate for Federal and state agency data provision Implementation of the American Community Survey (ACS) Other data challenges Confidential data/suppression Synthetic data Survey-based data

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Presentation Transcript

Overview
Overview

  • Changes in data availability

    • Climate for Federal and state agency data provision

    • Implementation of the American Community Survey (ACS)

  • Other data challenges

    • Confidential data/suppression

    • Synthetic data

    • Survey-based data

  • Alternative data sources and other options


Overview1
Overview

  • Changes in data availability

    • Climate for Federal and state agency data provision

    • Procedural changes with ACS

  • Other data challenges

    • Confidential data/suppression

    • Synthetic data

    • Survey-based data

  • Alternative data sources and other options


Budgetary political threats
Budgetary/Political Threats

  • Already targeted

    • Bureau of Economic Analysis Local Area Personal Income & Employment

    • Bureau of Labor Statistics special initiatives (e.g. Green Jobs surveys)

  • Vulnerable

    Data “arms” of other agencies including Economic Research Service (USDA), Energy Information Administration (Dept. of Energy), etc.

  • Always under threat

    • Census Bureau in general

    • American Community Survey in specific


Acs implementation
ACS Implementation

http://www.icip.iastate.edu/sites/default/files/uploads/help/census-overview-icip.pdf


Overview2
Overview

  • Data availability

    • Climate for Federal and state agency data provision

    • Procedural changes with ACS

  • Other data challenges

    • Confidential data/suppression

    • Synthetic data

    • Survey-based data

  • Alternative data sources and other options



Synthetic data
Synthetic Data

  • When a small-area data set looks too good to be true, it probably is.

    • Health status indicators from BRFSS

    • Commuting data from On the Map (LED/LEHD)

    • Air quality indicators

  • Requires a judgment call on when to use and how to document


Survey based data
Survey-Based Data

  • Many small area data sets from Census Bureau are survey-based and are published with MOE values.

    • ACS

    • SAIPE

    • SAHIE

  • How much does this matter for our project?

    (clue: A LOT!!!!)

  • How do other data providers handle this issue?

    (clue: DERELICTION OF DUTY)



Overview3
Overview

  • Changes in data availability

    • Climate for Federal and state agency data provision

    • Procedural changes with ACS

  • Other data challenges

    • Confidential data/suppression

    • Synthetic data

    • Survey-based data

  • Alternative data sources and other options



Alternative data providers
Alternative Data Providers?

  • Reality check

    • Most private sector providers are using data from the same Federal sources we are.

    • If they’re not, assume the worst about data quality (non-representative samples, unknown methods & motives).

    • State agency data collection fulfills administrative needs, not data analysis needs.

    • State agencies face budgetary and political constraints, too.

  • My philosophy

    • Accept our reality

    • Don’t apologize, EDUCATE!!!


Poor no acknowledgement of uncertainty in map or text
Poor: No acknowledgement of uncertainty in map or text

http://www.povertyusa.org/the-state-of-poverty/poverty-map-county/


Fair: No acknowledgement of uncertainty in map or text, but uses a reference value that allows for significance testing

http://usatoday30.usatoday.com/news/graphics/2012/poverty-maps/index2.htm



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