Infusion

class pharmpy.model.Infusion(amount, admid=1, rate=None, duration=None)

Bases: Dose, Immutable

An infusion dose

Parameters:

• amount (expression) – Symbolic amount of dose

• admid (int) – Administration ID

• rate (expression) – Symbolic rate. Mutually exclusive with duration

• duration (expression) – Symbolic duration. Mutually excluseive with rate

Examples

>>> from pharmpy.model import Infusion
>>> dose = Infusion.create("AMT", duration="D1")
>>> dose
Infusion(AMT, admid=1, duration=D1)
>>> dose = Infusion.create("AMT", rate="R1")
>>> dose
Infusion(AMT, admid=1, rate=R1)

Attributes Summary

amount	Symbolic amount of dose
duration	Symbolc duration
free_symbols	Get set of all free symbols in the dose
rate	Symbolic rate

Methods Summary

create(amount[, admid, rate, duration])
from_dict(d)
replace(**kwargs)
subs(substitutions)	Substitute expressions or symbols in dose
to_dict()

Attributes Documentation

amount

Symbolic amount of dose

duration

Symbolc duration

Mutually exclusive with rate.

free_symbols

Get set of all free symbols in the dose

Examples

>>> from pharmpy.model import Infusion
>>> dose = Infusion.create("AMT", rate="RATE")
>>> dose.free_symbols   
{AMT, RATE}

rate

Symbolic rate

Mutually exclusive with duration.

Methods Documentation

classmethod create(amount, admid=1, rate=None, duration=None)

classmethod from_dict(d)

replace(**kwargs)

subs(substitutions)

Substitute expressions or symbols in dose

Parameters:

substitutions (dict) – Dictionary of from, to pairs

Examples

>>> from pharmpy.model import Infusion
>>> dose = Infusion.create("AMT", duration="DUR")
>>> dose.subs({'DUR': 'D1'})
Infusion(AMT, admid=1, duration=D1)

to_dict()