r-cran-performance binary package in Ubuntu Mantic amd64

 Utilities for computing measures to assess model quality,
 which are not directly provided by R's 'base' or 'stats' packages. These
 include e.g. measures like r-squared, intraclass correlation coefficient
 (Nakagawa, Johnson & Schielzeth (2017) <doi:10.1098/rsif.2017.0213>),
 root mean squared error or functions to check models for overdispersion,
 singularity or zero-inflation and more. Functions apply to a large variety of
 regression models, including generalized linear models, mixed effects models
 and Bayesian models.

Source package