sim_basket: Simulate a basket trial under several study design choices...

View source: R/sim_basket.R

sim_basketR Documentation

Simulate a basket trial under several study design choices and priors on the arm-level variance

Description

MANUAL IN PROGRESS; ...

Usage

sim_basket(nsim, m, N, p_true, p_null, p_target, ia1_fraction = 0.4, step = 0.5, futility_threshold = 0.05, efficacy_threshold = 0.9, prior, parameters)

Arguments

nsim

number of simulated trials

m

number of arms

N

max number of patients enrolled per arm (same for each arm)

p_true

a vector of length \textttm with response rate for generating the data in each arm

p_null

the null hypothesis uninteresting threshold (efficacy rate under H0)

p_target

the alternative hypothesis target threshold (efficacy rate under H1)

ia1_fraction

a fraction of N at which the 1st interim analysis (IA) takes place; default 0.4

step

define subsequent IAs' timing as an increment of the patients enrolled at the 1st IA; default 0.5

futility_threshold

response rate at which the arm can be closed based on futility; default 0.05

efficacy_threshold

response rate at which the arm can be closed based on efficacy; default 0.9

prior

prior distribution for the arm-level variance, choices are: \beginitemize \item Gamma(a, b) on the precision; \item half-t(gamma, ni) on the standard deviation (\texttthalf-t); \item uniform (a, b) on the standard deviation; \item PC(sd_x) prior (\textttPC); \item EPC (please use the EPC_sd function to compute the desired sd_x value, TODO...); \enditemize

parameters

parameters of the prior distrinution on the arm-level variance

Details

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Value

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Note

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Author(s)

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References

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See Also

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massimoventrucci/INLAbhmbasket documentation built on July 5, 2022, midnight