Sample Size Calculation Method for Cost-Effectiveness Studies Based on Expected Value of Perfect Information


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Documentation for package ‘EBASS’ version 0.1

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create_object_evpi_decrease Create an object evpi_decrease
create_object_inmb Create an object INMB
create_object_inmb_direct Create an object INMB_DIRECT
create_object_lambda Create an object lambda
create_object_pop Create an object POP
create_object_var_inmb Create an object var_inmb
create_object_var_inmb_diff Create an object var_inmb_diff
create_object_var_inmb_direct Create an object var_inmb_direct
EVPI_DECREASE A Reference Class to represent the EVPI
gamma_risk Function to estimate the gamma risk
graph_gain_n Explain the estimated sample size calculated
INMB A Reference Class to represent the INMB (Incremental Net Monetary Benefit)
INMB_DIRECT A Reference Class to represent the INMB (Incremental Net Monetary Benefit)
Lambda A Reference Class to represent the lambda value
POP A Reference Class to represent the target population
sample_size Function to calculate the estimated sample size based on the Expected Value of Perfect Information (EVPI)
VAR_INMB A Reference Class to represent the Hypothetical variance of the Incremental Net Monetary Benefit
VAR_INMB_DIFF A Reference Class to represent the variance of the Incremental Net Monetary Benefit (INMB) when the standard deviation of costs and effectiveness in each group differ.
VAR_INMB_DIRECT A Reference Class to represent the theoretical standard deviation of the expected INB