computeEquipoise | R Documentation |
Compute fraction in equipoise
computeEquipoise(data, equipoiseBounds = c(0.3, 0.7))
data |
A data frame with at least the two columns described below. |
equipoiseBounds |
The bounds on the preference score to determine whether a subject is in equipoise. |
Computes the fraction of the population (the union of the target and comparator cohorts) who are in clinical equipoise (i.e. who had a reasonable chance of receiving either target or comparator, based on the baseline characteristics).
The data frame should have a least the following two columns:
treatment (integer): Column indicating whether the person is in the target (1) or comparator (0) group
propensityScore (numeric): Propensity score
A numeric value (fraction in equipoise) between 0 and 1.
Walker AM, Patrick AR, Lauer MS, Hornbrook MC, Marin MG, Platt R, Roger VL, Stang P, and Schneeweiss S. (2013) A tool for assessing the feasibility of comparative effectiveness research, Comparative Effective Research, 3, 11-20
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