Public-use Data Analysis System (PDAS) from the Substance Abuse and Mental Health Data Archive (SAMHDA)
The Substance Abuse and Mental Health Data Archive (SAMHDA) has made significant improvements to the Public-use Data Analysis System (PDAS). Through this system, you can perform online analyses to create crosstabs and perform logistic regression from your web browser. You can also download output and underlying data in .csv format. Upgrades to PDAS include state data for the National Survey on Drug Use and Health Small Area Estimate, mapping and visualization tools, and an enhanced user interface. We invite you to try out PDAS and explore the spectrum of available public use files.