pla (version 0.2)

Fiellers: Fiellers confidence interval

Description

Computes Fiellers confidence interval for the ratio of two normal.

Usage

Fiellers(model, Which = 1:length(which(b)), sample = "Sample",  factor = paste0("factor(", sample, ")"),  independent = "Z",  df = summary(model)$df[2],  alpha = 0.05)

Arguments

model

An object of class lm.

Which

The indices of the 'intercepts' to divide by the slope.

sample

The names, factor levels, of the intercepts.

factor

The names of the parameters for intercepts in the coef of the linear model.

independent

The name of the independent variable for the slope.

df

An integer.

alpha

A real number, preferable between 0 and 1.

References

Fieller, E.C.: The biological standardization of insulin. Supplement to the Journal of the Royal Statistical Society. 1940; Vol. VII., No. 1.