Rhtml = Bar chart for two (2) categorical variables

Capítulo 1 de PSE5990: Evolução [do Comportamento] Social I: uma abordagem quantitativa. * McElreath, R & Boyd, R (2007) Mathematical models of social evolution. USA: University of Chicago Press.

A model for the spatial coexistence for three species, was generated on Vensim and exported to excel and graphically captured through a series of R codes

yrdy

problem set #4