The weights are based on EHR data from the Vanderbilt University Medical Center Synthetic Derivative (SD) and ICD-phecode map version 1.2 and are calculated using the "prevalence" method.

## Format

A data.table with the following columns:

`phecode`

: Character vector of phecodes`prev`

: Numeric vector of prevalences, i.e., fraction of subjects in the SD that have at least one occurrence of the given phecode`w`

: Numeric vector of weights, calculated as`-log10(prev)`