Set of codes to setup rpy2 environment to python notebook

rpy2_setup.py

# First load rpy2 
%load_ext rpy2.ipython

# Then load packages in a separate cell
%%R
require('lme4')
require('lmerTest')
require('lattice')
require('boot')
require('sjPlot')
require('optimx')
options("scipen"=999, "digits"=5)
r2 <- function(m) {
  lmfit <-  lm(model.response(model.frame(m)) ~ fitted(m))
#   summary(lmfit)$r.squared
  summary(lmfit)$adj.r.squared
}