| Term | Variance | 
|---|---|
| Definition | The values represent the variance of a set of observations made over a time interval. Variance computed using the unbiased formula SUM((Xi-mean)^2)/(n-1) are preferred. The specific formula used to compute variance can be noted in the methods description. | 
| Provenance | Adapted from CUAHSI HIS DataTypeCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=DataTy | 
| Provenance uri | http://vocabulary.odm2.org/aggregationstatistic/variance/ | 
| Category | - | 
| Note | - | 
| Status | ACCEPTED |