ACS 2010 3-Year Summary File: Technical Documentation - Social Explorer

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Data Documentation

Documentation:

ACS 2010 (3-Year Estimates)

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Publisher: U.S. Census Bureau

Survey: ACS 2010 (3-Year Estimates)

Document:	ACS 2010 3-Year Summary File: Technical Documentation
citation:	Social Explorer; U.S. Census Bureau; American Community Survey 2008-2010 Summary File: Technical Documentation.

Documentation

ACS 2010 (3-Year Estimates)

ACS 2010 3-Year Summary File: Technical Documentation

Chapter 1. Introduction

1.1. The American Community Survey

1.2. The American Community Survey Summary File

1.3. Topics and Geographies Covered

1.4. Tools for Obtaining Data

1.5. Notable Changes to the Summary File

1.6. Contact Us

Chapter 2. How to Use the ACS Summary File

2.1. Locating the Summary File

2.2. Summary File Organization

2.3. Sequence Numbers

2.4. Geography File

2.5. Estimate and Margin of Error Files

2.6. How to Join the ACS Summary File to the TIGER/Line Shapefiles

Chapter 3. User Tools

3.1. Summary File Excel Retrieval Tool

3.2. Summary File SAS Tool

3.3. Summary File Excel Import Tool

Chapter 4. User References

4.1. Detailed Tables

4.2. Summary Levels/Components For Detailed Tables

4.3. Sequence Number and Table Number Lookup

4.4. Table Shells List

4.5. Excel Geography File

Appendix A. Supplemental Documentation

2010 Subject Definitions

General Information

Living Quarters

Population Variables

Derived Measures

Quality Measures

American Community Survey Multiyear Accuracy of the Data (3-year 2008-2010 and 5-year 2006-2010)

Puerto Rico Community Survey Multiyear Accuracy of the Data (3-year 2008-2010 and 5-year 2006-2010)

Data Collection

Weighting Methodology

Estimation Methodology For Multiyear Estimates

Confidentiality of the Data

Errors in the Data

Measures Of Sampling Error

Calculation of Standard Errors

Testing for Significant Differences

Examples of Standard Error Calculations

Control of Nonsampling Error

Issues with Approximating the Standard Error of Linear Combinations of Multiple Estimates

Instructions for Applying Statistical Testing to the 2008-2010 3-Year Data and the 2006-2010 ACS 5-Year Data

Obtaining Standard Errors

Obtaining Standard Errors for Derived Estimates

Instructions for Statistical Testing

Appendix B: Graphical Representation of ACS Summary File Organization

B.1 2008-2010 ACSSF All In 1 Giant File (Experienced-Users-Only)

B.2 2008-2010 ACSSF By State All Tables

B.3 2008-2010 ACSSF By State By Sequence Table Subset

Appendix C. User Notes

C.1 Population Thresholds

C.2 Geography Restrictions

C.4 Rounding Rules and Margins of Error

C.5 Data Release Filtering Rules

C.6 Display of Estimates

C.7 Sequences Used Only for United States Tables or Only for Puerto Rico Tables

C.8 Multiple Sequences for a Table

Appendix D. Examples

D.1 Creating a Table

D.2 Creating a Table Using SAS

Appendix E. Detailed Tables for the 2010 ACS 3-Year Estimates

Appendix F. ACS 3-Year Summary Levels/Components for Detailed Tables

Document History

Social Explorer; U.S. Census Bureau; American Community Survey 2008-2010 Summary File: Technical Documentation.