ORmultivariate: Function to obtain multivariate odds ratios from a logistic...

In cardiomoon/webr2: Data and Functions for Web-Based Analysis

Description

Function to obtain multivariate odds ratios from a logistic regression model.

Usage

ORmultivariate(fit)

Arguments

fit	An object of class glm

Value

A list with elements

Predictors_Summary

OR with 95% CI and corresponding p-values for each predictor in the model

Brier_Score

Brier score

Nagelkerke_Index

Nagelkerke's R2 value

References

Suman Kundu, Yurii S. Aulchenko and A. Cecile J.W. Janssens (2020). PredictABEL: Assessment of Risk Prediction Models. R package version 1.2-4.https://CRAN.R-project.org/package=PredictABEL Brier GW. Verification of forecasts expressed in terms of probability. Monthly weather review 1950;78:1-3. Nagelkerke NJ. A note on a general definition of the coefficient of determination. Biometrika 1991;78:691-692.

Examples

form1=paste0("AMD~",paste0(colnames(ExampleData)[3:10],collapse="+"))
form2=paste0("AMD~",paste0(colnames(ExampleData)[3:16],collapse="+"))
fit1=glm(as.formula(form1),data=ExampleData,family=binomial)
fit2=glm(as.formula(form2),data=ExampleData,family=binomial)
ORmultivariate(fit1)
ORmultivariate(fit2)

cardiomoon/webr2 documentation built on April 24, 2020, 9:44 p.m.