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SUMMARY OF STATE-OF-SCIENCE AND PRACTICE REGARDING MICRO-ACTIVITY DATA
Citation:
Zartarian, V. SUMMARY OF STATE-OF-SCIENCE AND PRACTICE REGARDING MICRO-ACTIVITY DATA. Presented at Workshop on Micro/Macro-Activity Data Needs to Improve Multi-Media, Multi-Pathway Exposure/Intake Dose Assessments, Research Triangle Park, NC, May 17-18, 2001.
Impact/Purpose:
The two main objectives of this research are (1) to improve and update and (2) to analyze the CHAD database.
For objective 1, we will
* Reconfigure the CHAD program into a completely modularized Oracle database.
* Redesign User Interface for effcient utilization of the program's capability.
* Obtain dates for those surveys that did not provide them to us, so that we can obtain associated meteorological/climatic inputs for the person-days of information without them.
* Revise the upper and lower bound delimiters in the energy expenditure distributions used for activity-specific estimates.
For objective 2, we will
* Evaluate data quality.
* Evaluate trends and activities for various subgroups.
* Identify temporal patterns for longitudinal data.
* Characterize resolution required for output for exposure and dose models.
Description:
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