Quantile Regression Index Score

The QRI_func() function performs quantile regression analysis using age and sex as predictors to calculate the Quantile Regression Index (QRI) score for each individual’s regional brain imaging metrics and then averages across the regional scores to generate an average tissue specific score for each subject. The QRI_plot() is used to plot QRI and generate the normative curves for individual measurements.


News

Reference manual

It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.

install.packages("QRIpkg")

0.2.1 by Si Gao, 11 days ago


Browse source code at https://github.com/cran/QRIpkg


Authors: Peter Kochunov [aut] , Si Gao [aut, cre] , Meghann Ryan [aut]


Documentation:   PDF Manual  


GPL (>= 2) license


Imports ggplot2, quantreg, stats


See at CRAN