mrgsolve (version 1.5.2)

ev_days: Schedule dosing events on days of the week

Description

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.

Usage

ev_days(
  ev = NULL,
  days = "",
  addl = 0,
  ii = 168,
  unit = c("hours", "days"),
  ...
)

Arguments

ev

an event object.

days

comma- or space-separated character string of valid days of the the week (see details).

addl

additional doses to administer.

ii

inter-dose interval; intended use is to keep this at the default value.

unit

time unit; the function can only currently handle hours or days.

...

event objects named by one of the valid days of the week (see Details).

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 its default value.

Examples

# Monday, Wednesday, Friday x 4 weeks
e1 <- ev(amt = 100)
ev_days(e1, days="m,w,f", addl = 3)

# 50 mg Tuesdays, 100 mg Thursdays x 6 months
e2 <- ev(amt = 50)
ev_days(t = e2, th = e1, addl = 23)