Title: Business Register: Quality Practices
1Business RegisterQuality Practices
- Eddie Salyers
- Eddie.Joe.Salyers_at_Census.GOV
- 301-763-2638
2An Assessment of Current Quality Assurance
Practices and Ongoing Work to Develop a
Comprehensive Quality Plan for the U.S. Census
Bureau Business Register
3Business RegisterQuality Practices
- Introduction
- Database Redesign
- Quality Assurance Team
- Business Register Overview
- Quality Assurance
- Migration
- Administrative Records
- Census Bureau Data Collections
- Recommendations
- Conclusion
4BR Database Redesign
- Complete redesign
- Old Standard Statistical Establishment List
(SSEL) VAX RDB - New Business Register (BR) Oracle
- All software rewritten
- New BR production Fall 2002
5Quality Assurance Team
- Mission
- Assure the quality of the new BR is a minimum
commensurate with the old SSEL which it replaces,
and to establish a complete quality framework.
6Quality Assurance Team
- Definitions
- Quality "The totality of features and
characteristics of a product or service that bare
on its ability to satisfy specified or implied
needs." (ISO, 1986). - Reliability - The ability of a system or
component to perform its required functions under
stated conditions for a specified period of
time. IEEE 90. - Integrity - Information in the system follows
designated standards and is consistent both
within an individual table as well as between
associated tables.
7Business Register Overview
- Primary Functions
- Economic Census enumeration list
- Survey sampling frames
- Central storage of administrative data
- Control file for data collection/processing
- Data for statistical products
- Data for economic research
-
8Key Concepts and Definitions
- The BRs Units
- Business/Statistical
- Establishment
- Enterprise
- Enterprise segment
- (e.g., alternate reporting unit)
- Administrative
- EIN unit
- SSN unit
Standard Statistical Units
Variable
Mainly for IRS tax reporting
9Business Organization
- Basic Types
- Single-establishment enterprise
- An enterprise that operates just one
establishment (i.e., at one physical location) -
a single unit or SU - Multi-establishment enterprise
- An enterprise that operates two establishments or
more (2-plus locations)
10Multiunit
- A more complex MU may have
- Multiple EIN units
- One subsidiary enterprise or more
11Complex Multiunits
- The largest U.S. Multi-units may have
- Several thousand EINs
- More than 10,000 establishments
12System
- Oracle Database
- Many Related Tables
- Interactive Web-Based Interface built with Oracle
Forms PL/SQL - Interface used for research and updates
- Software for interactive and batch updates and
edits
13Migration
- Complete Redesign
- New IDs
- New Table Structures
- All New Software
- Copy Existing data - 2001
- Load new data - 2002
-
14Migration
- Quality Checks
- Create SAS Datasets from Old SSEL and New BR for
2001 Records - Record to Record Match of 2001 SSEL and 2001 BR
- After accounting for differences cause by design
no significant differences were found - Comparison of 2001 BR to 2002 BR
- Checks both migration and software used to load
2002 records - Year to Year Changes as Expected
15Administrative Records
- Internal Revenue Service
- Business Master File (BMF)
- Payroll tax returns
- Business income tax returns
- Bureau of Labor Statistics (BLS)
- Description Industrial classification assigned
by State Employment Security Agencies as part of
Covered Employment and Wages - Social Security Administration
- Applications for new Employer Identification
Number (EIN)
16Administrative Records
- Over 100 Million administrative records are
received each year.
17Administrative Records Quality Assurance
- Current Practices
- Stage 1
- Tabulate distributions of variables on incoming
files and compare to expected values. - Unchanged with redesign, works on inputs
- Stage 2
- Basic Validity Test Edits to assure each item
has a valid form (valid states, data type, etc.) - Ratio Edits Examine Consistency of correlated
data, I.e. Payroll per employee - Data failing edits are replaced with imputed
values and referred to an analyst for review - Done as part of load to BR database
- Process is similar to old, but all software
rewritten for new BR
18Administrative Records Quality Assurance
- Current Practices
- Strengths
- Identifies systematic file errors well
- Weaknesses
- Lack of Macro-Level Post Processing Quality
Assurance - Communication
- Identifying significant problems with large cases
19Administrative Records Quality Assurance
- Recommendations
- Using SAS datasets that are created monthly from
the BR perform a routine macro-level review. - Creation of a Centralized Administrative Record
Tracking System - Standardization and Automation of all Current QA
Reports - Increase Ability to Identify Important Companies
with Missing or Inaccurate Administrative Records - Development of Systematic Review of
Post-Processing Administrative Record QA - Monitor Cost of Current Administrative Record
Quality Assurance Activities
20Census Bureau Data Collections
- Company Organization Survey
- Description Register proving survey directed to
selected multiunit enterprises - Content
- Ownership or control by a United States parent
- Ownership or control by a foreign parent
- Inventory of establishments, verifying or
collecting the following for each - Primary and secondary name
- Physical location
- EIN used for payroll tax reporting
- SIC
- Employment for pay period including March 12
- First quarter and annual payroll
- Year-end operating status
21Census Bureau Data Collections
- Economic Census
- Description Enumeration of establishments in
covered industries - Content for each establishment
- Ownership or control by a parent enterprise
- Locations of operation
- Primary and secondary name
- Physical location address
- EIN used for payroll tax reporting
- SIC and Type of Operation
- Employment for pay period including March 12
- First quarter and annual payroll
- Dollar volume of business (value of shipments,
sales, receipts, revenue) - Year-end operating status
- Value of products and services by category
(selectively) - Other industry-specific content
22Census Bureau Data Collections Quality Assurance
- Current Practices
- Data Entry
- Independent Verification of samples
- Data are re-keyed and difference adjudicated
- Lots accepted or rejected based on error rates.
- Batch Update Operations
- Basic Validity Test Edits to assure each item
has a valid form (valid states, data type, etc.) - Ratio Edits Examine Consistency of correlated
data, I.e. Payroll per employee - Data failing edits are replaced with imputed
values and referred to an analyst for review - Done as part of load to BR database
- Process is similar to old, but all software
rewritten for new BR
23Census Bureau Data Collections Quality Assurance
- Current Practices
- Clerical Operations
- A second person that is qualified as a verifier
selects and inspects a sample of the referrals
from each completed work unit (dependent
verification) - Rejected work units subjected to 100
re-inspection - Note old SSEL had functionality to hold
corrections until they passed inspections
24Additional QA Team Recommendations
- Improve Error Tracking
- Improve Imputation for missing Employment and
Payroll Values - Evaluate ORACLE DQI (Data Quality Inspector) as
way to identify problems - Expand use of SAS datasets built from the BR to
assess quality - Review and documentation of user needs and how
the BR meets those needs - Comparison to Bureau of Labor Statistics (BLS)
Business Establishment List (BEL)-
25Conclusion
- No identifiable difference in quality of new BR
and old SSEL - Most procedures remain same
- Migration completed accurately
- Concerns
- Clerical processing
- Dependence on staff expertise
- Several Areas for Potential Improvements