Friday, May 1, 2015

[WEBINAR] Online Analysis of SAMHSA Public-Use Data with Survey Documentation and Analysis (SDA)

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Learn the fundamentals of analyzing SAMHSA public-use data online without specialized software or downloading of data. The Online Analysis o...
Thursday, March 12, 2015

How do I calculate variance of difference between totals for NSDUH data?

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Before reading this document, users should review the "How do I calculate variance of totals for NSDUH data?" FAQ. Sample synta...
Monday, November 17, 2014

[DUPLICATE FAQ] What is the Restricted-use Data Analysis System (R-DAS)?

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The R-DAS is an online analysis system that allows researchers to produce frequencies and cross-tabulations using restricted-use data file...
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[WEBINAR] Broadening Access to Substance Abuse and Mental Health Data with the R-DAS

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Learn about the National Survey on Drug Use and Health (NSDUH) data available through the R-DAS. The Broadening Access to Substance Abuse an...
Thursday, November 6, 2014

What are the differences between DAWN public-use and restricted-use data?

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DAWN public-use and restricted-use data differ in terms of access, availability, and variable groups. Users can reference the Analysis Opti...
Tuesday, April 1, 2014

When is the next application period for access to the Data Portal?

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The Data Portal call for applications ended on December 15, 2014. Sign up for SAMHDA News to be notified about future Data Portal call f...
Tuesday, March 25, 2014

How do I calculate variance of totals for NSDUH data?

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The final analysis (poststratification adjustment) weight variable, ANALWT_C, in the NSDUH public-use file (PUF) file was adjusted for uneq...
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