zgroups | R Documentation |
This will return three variables detailing the weight that each individual should receive for subset analyses to look at how relatively "high" or "low" scorers on the measure
zgroups(voi)
voi |
variable of interest |
Note that the sum of the three groups will equal the total sample
of non-missing values. Can be used in combination with effectiveN
.
weight for low, medium, and high z-score groups
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