| adjust_pretest | Calculate pretest probability change over time | 
| calc_postest_prob | Calculate posttest probability from pretest probability and test characteristics | 
| individual_probability | Calculate a time series of probability for an individual following exposure | 
| posttest_series | Calculate post-test probability if testing occurred on each day in a series | 
| probability_any | Find the probability of any (at least one) event happening | 
| prop_remaining | The remaining individuals who would not be expected to show symptoms yet | 
| sens | COVID-19 PCR sensitivity by days since exposure | 
| unit_probability | Calculate a time series of unit-wide probability following exposure |