# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

McFadden <- function(model){
	#K: Number of parameters
	K <- nrow(coef(model))
	r2 <- (summary(model)$null.deviance-summary(model)$deviance)/summary(model)$null.deviance
	r2adj <- 1-(summary(model)$deviance-K)/summary(model)$null.deviance
	return(c(r2,r2adj))
}