DesignArm-class: 'DesignArm'

In crmPack: Object-Oriented Implementation of Dose Escalation Designs

DesignArm

Description

DesignArm is a light-weight wrapper around Design object for use in a HierarchicalDesign. Use DesignArm() for active arms and HistoricalArm() for non-enrolling historical arms.

Usage

DesignArm(name, design, borrow = TRUE, open_when = NoArmCondition())

HistoricalArm(name, data, model, borrow = TRUE)

.DefaultDesignArm()

Arguments

name	(string) see slot definition.
design	(Design) see slot definition.
borrow	(flag) see slot definition.
open_when	(ArmCondition) see slot definition.
data	(Data or DataCombo) arm data for historical arms.
model	(GeneralModel or TwoDrugsCombo) arm model for historical arms.

Slots

name

(string)
the name of the arm.

active

(flag)
whether the arm is enrolling or not (historical).

borrow

(flag)
whether this arm may borrow information from other arms when making dose escalation decisions. Only relevant if active = TRUE.

open_when

(ArmCondition)
the condition that must be satisfied before this arm opens for enrollment.

design

(Design)
the design object for this arm.

Note

Typically, end users will not use the .DefaultDesignArm() function.

Examples

design <- .DefaultDesign()
design_arm <- DesignArm(
  name = "Arm A",
  design = design
)

crmPack documentation built on July 5, 2026, 9:06 a.m.