Matt Williams

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Understanding threats to polio vaccine commitment among caregivers in high-priority areas of Afghanistan: A polling study

A comparison of variance estimation methods for regression analyses with the mental health surveillance study clinical sample

How to prepare and analyze pair data in the National Survey on Drug Use and Health

An overview of trend testing methods and applications in NSDUH and other studies

2015 National Survey on Drug Use and Health: Methodological resource book (section 11, person-level sampling weight calibration)

2015 National Survey on Drug Use and Health: Methodological resource book (section 12, questionnaire dwelling unit-level and person pair-level sampling weight calibration)

2015 National Survey on Drug Use and Health: Methodological resource book (section 13, statistical inference report)

2016 National Survey on Drug Use and Health: Methodological resource book (section 2, sample design report)

2015 National Survey on Drug Use and Health: Methodological resource book (section 14, sample experience report)

Mental health estimates computed directly from the clinical sample of the Mental Health Surveillance Study and measures of their standard errors

2014 National Survey on Drug Use and Health: Methodological resource book (section 15, sample redesign impact assessment, final report)

2014 National Survey on Drug Use and Health: Methodological resource book (section 13, statistical inference report)

2014 National Survey on Drug Use and Health: Methodological resource book (section 11, person-level sampling weight calibration)

2014 National Survey on Drug Use and Health: Methodological resource book (section 12, questionnaire dwelling unit-level and person pair-level sampling weight calibration)

2015 National Survey on Drug Use and Health: Methodological resource book (section 2, sample design report)

2014 National Survey on Drug Use and Health: Methodological resource book (section 14, sample experience report)

Statistical trend and change-point analysis of land-cover-change patterns in East Africa

A test for abrupt change in hazard regression models with Weibull baselines

A test for an abrupt change in Weibull hazard functions with staggered entry and type I censoring

Incorporating user input into optimal constraining procedures for survey estimates