Builds a design with one treatment and one control arm. Treatment effects can be specified either by providing control_mean and treatment_mean or by specifying a control_mean and ate.
control_mean
treatment_mean
ate
two_arm_designer(N = 100, assignment_prob = 0.5, control_mean = 0, control_sd = 1, ate = 1, treatment_mean = control_mean + ate, treatment_sd = control_sd, rho = 1, args_to_fix = NULL)
An integer. Sample size.
A number in [0,1]. Probability of assignment to treatment.
A number. Average outcome in control.
A positive number. Standard deviation in control.
A number. Average treatment effect.
A number. Average outcome in treatment. Overrides ate if both specified.
A nonnegative number. Standard deviation in treatment. By default equals control_sd.
control_sd
A number in [-1,1]. Correlation between treatment and control outcomes.
A character vector. Names of arguments to be args_to_fix in design.
A simple two-arm design.
Units are assigned to treatment using complete random assignment. Potential outcomes are normally distributed according to the mean and sd arguments.
# NOT RUN { # Generate a simple two-arm design using default arguments two_arm_design <- two_arm_designer() # }
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