sigma_ref: Reference standard deviation

Description Usage Arguments Value References Examples

View source: R/sigma_ref.R

Description

Computes the reference standard deviation of the given meta-analysis data set. The reference standard deviation is defined as the geometric mean of the standard deviations of the individual studies (Sorbye & Rue 2014, equation (7)).

Usage

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Arguments

df

data frame with one column "sigma" containing the standard errors of the estimates for the individual studies.

Value

The reference standard deviation of the data set. Non-negative real number.

References

Sorbye, S., Rue, H. (2014). Scaling intrinsic Gaussian Markov random field priors in spatial modelling. Spatial Statistics 8, 39–51. doi: 10.1016/j.spasta.2013.06.004

Examples

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# reference sd for resporiratory tract infections (RTI) data
data(rti)
sigma_ref(df=rti)

ra4bayesmeta documentation built on April 24, 2021, 3 p.m.