How do I calculate z-scores at different aggregation levels?
Hello, How do I use JSL to calculate Z-scores at different levels of aggregation? I am working with cancer mortality data (1999 - 2015) at the county-level. I need to calculate Z-scores to compare each county to the others within a state and all counties within the country. I cannot simply use the standardize function because it automatically takes an average of rates--which is invalid unless the...
vince_faller