This function lets you schedule doses on specific days of the week, allowing you to create dosing regimens on Monday/Wednesday/Friday, or Tuesday/Thursday, or every other day (however you want to define that) etc.
ev_days(
ev = NULL,
days = "",
addl = 0,
ii = 168,
unit = c("hours", "days"),
...
)an event object
comma- or space-separated character string of valid days of the the week (see details)
additional doses to administer
inter-dose interval; intended use is to keep this at the default value
time unit; the function can only currently handle hours or days
event objects named by one the valid days of the week (see details)
Valid names of the week are:
m for Monday
t for Tuesday
w for Wednesday
th for Thursday
f for Friday
sa for Saturday
s for Sunday
The whole purpose of this function is to schedule doses on specific
days of the week, in a repeating weekly schedule. Please do use caution
when changing ii from it's default value.
# Monday, Wednesday, Friday x 4 weeks
ev_days(ev(amt=100), days="m,w,f", addl=3)
#> time amt cmt evid ii addl
#> 1 0 100 1 1 168 3
#> 2 48 100 1 1 168 3
#> 3 96 100 1 1 168 3
# 50 mg Tuesdays, 100 mg Thursdays x 6 months
ev_days(t=ev(amt=50), th=ev(amt=100), addl=23)
#> time amt cmt evid ii addl
#> 1 24 50 1 1 168 23
#> 2 72 100 1 1 168 23