.getABMOMProp | R Documentation |
Helper function to derive MOM estimates of a, b from a vector of proportions
.getABMOMProp( prop, offsets = c(mean = 1e-08, var = 1e-08), lower = 1, upper = Inf, ... )
prop |
vector of proportions. |
offsets |
vector defining the offset to use when the mean and/or variance are zero. |
lower |
lower bound for the shape parameters. |
upper |
upper bound for the shape parameters. |
... |
parameters passed to |
a data frame with MOM estimates of a, b
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