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 posttest 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

COVID19 PCR sensitivity by days since exposure 
unit_probability()

Calculate a time series of unitwide probability following exposure 