crit_2_of_2: Critical value at final analysis
In dominicmagirr/gsdelayed: Design a group-sequential trial when anticipating a delayed effect.
View source: R/helper_functions.R
crit_2_of_2 R Documentation
Critical value at final analysis
Description
Find the critical value at the final analysis of a two-stage design
Usage
crit_2_of_2(info_frac_1_2, crit_1, alpha_spend_f = ldobf,
alpha_one_sided = 0.025)
Arguments
info_frac_1_2
The observed information fraction: determines covariance of test statistics.
crit_1
The critical value for the z-statistic at the first interim, found via crit_1_of_2.
alpha_spend_f
The alpha-spending function. Default is the Lan-DeMets O'Brien-Fleming function.
alpha_one_sided
One-sided alpha level.
Value
The critical value for the final z-statistic.
dominicmagirr/gsdelayed documentation built on May 15, 2024, 8:24 a.m.
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View source: R/helper_functions.R
| crit_2_of_2 | R Documentation |
Critical value at final analysis
Description
Find the critical value at the final analysis of a two-stage design
Usage
crit_2_of_2(info_frac_1_2, crit_1, alpha_spend_f = ldobf,
alpha_one_sided = 0.025)
Arguments
info_frac_1_2 |
The observed information fraction: determines covariance of test statistics. |
crit_1 |
The critical value for the z-statistic at the first interim, found via |
alpha_spend_f |
The alpha-spending function. Default is the Lan-DeMets O'Brien-Fleming function. |
alpha_one_sided |
One-sided alpha level. |
Value
The critical value for the final z-statistic.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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