Viz-a-lyzer User Notes

These Technical Notes provide an overview of how to use and interpret Viz-a-lyzer data.  The notes are intended for first-time users, but experienced users may also find them  a helpful reference for technical issues like suppression rules, how outliers are identified, and how specific indicators are operationalized. Version 1 includes the following sections:

Margins of error
Understanding rates
Effects of small numbers on rates
Understanding percents
Military zip codes
Data classification categories
“No data” and “Not reported” data
Exceptions and outliers
Notes on specific indicators: births, child abuse and neglect, and hospital discharges
Quick guide to interpreting indicators

Download Technical Notes [pdf]