INTRODUCTION TO STATISTICAL MODELLING IN R

P.M.E.Altham, University of Cambridge 132001-02 5017 10872002-03* 5022 1101* = provisional figuresSometimes you may want to plot one variable (here Funding per student) against another(here year, from 1989 to 2002) with point size proportional to a third variable,here Students. An example is shown in Figure 2.2. It is achieved byyear