Functions to Convert Between Days and Months and Medians and Rates

Some functions to convert between days and months and rates and medians.

Usage

r2m(lambda)

m2r(med)

m2d(mon)

d2m(day)

Arguments

lambda

hazard rate

med

median in months

mon

time in months

day

time in days

Value

median survival time in months (r2m)

hazard rate per day (m2r)

time in days (m2d)

time in months (d2m)

Functions

• r2m(): daily rate to median in months

• m2r(): median to months to daily rate

• m2d(): months to days

• d2m(): days to months

Examples

r2m(0.002)
#> [1] 11.3864
m2r(12)
#> [1] 0.001897734
m2d(1)
#> [1] 30.4375
d2m(31)
#> [1] 1.01848