compute_m_sigma

A helper function for
mrt_binary_power() and mrt_binary_ss().

Provides a sample size calculator for micro-randomized trials (MRTs) with binary outcomes based on Cohn et al. (2023) <doi:10.1002/sim.9748>. Also provides a power calculator when the sample size is input by the user.

Tianchen Qian

MRTSampleSizeBinary

Sample Size Calculator for MRT with Binary Outcomes

compute_m_sigma function

<dl><dt>avail_pattern</dt>
<dd>A vector of length T that is the average availability at
each time point</dd>
<dt>f_t</dt>
<dd>Defines marginal excursion effect MEE(t) under
alternative together with beta. Assumed to be matrix of size T*p.</dd>
<dt>g_t</dt>
<dd>Defines success probability null curve together with
alpha. Assumed to be matrix of size T*q.</dd>
<dt>beta</dt>
<dd>Length p vector that defines marginal excursion effect
MEE(t) under alternative together with f_t.</dd>
<dt>alpha</dt>
<dd>Length q vector that defines success probability null
curve together with g_t.</dd>
<dt>p_t</dt>
<dd>Length T vector of randomization probabilities at each time point</dd></dl>

Arguments

Computes "M" and "Sigma" matrices for the sandwich estimator of
variance-covariance matrix. — compute_m_sigma

<dl>

<dt>avail_pattern</dt>
<dd>A vector of length T that is the average availability at
each time point</dd>


<dt>f_t</dt>
<dd>Defines marginal excursion effect MEE(t) under
alternative together with beta. Assumed to be matrix of size T*p.</dd>


<dt>g_t</dt>
<dd>Defines success probability null curve together with
alpha. Assumed to be matrix of size T*q.</dd>


<dt>beta</dt>
<dd>Length p vector that defines marginal excursion effect
MEE(t) under alternative together with f_t.</dd>


<dt>alpha</dt>
<dd>Length q vector that defines success probability null
curve together with g_t.</dd>


<dt>p_t</dt>
<dd>Length T vector of randomization probabilities at each time point</dd>

</dl>

compute_m_sigma: Computes "M" and "Sigma" matrices for the sandwich estimator of variance-covariance matrix.

Description

Usage

Value

Arguments

Examples