[R] Scatterplot, Color by Grade Category

2013-02-20 Thread David Arnold
Hi, I have: hours=c(5,6,6,7,7,8,8,9,7,8,8,8,9,9,10,10,9,10,10,11,11,11,12); level=c(1.0,1.2,0.8,0.8,1.0,1.0,0.6,0.8,1.4,1.2,1.4,1.6, 1.2,1.4,1.0,1.4,1.6,1.6,1.8,1.4,1.6,1.8,1.6); grade=c(rep(First,8),rep(Second,8),rep(Third,7)) length(hours) length(level) length(grade)

Re: [R] Scatterplot, Color by Grade Category

2013-02-20 Thread Jim Lemon
On 02/20/2013 07:44 PM, David Arnold wrote: Hi, I have: hours=c(5,6,6,7,7,8,8,9,7,8,8,8,9,9,10,10,9,10,10,11,11,11,12); level=c(1.0,1.2,0.8,0.8,1.0,1.0,0.6,0.8,1.4,1.2,1.4,1.6, 1.2,1.4,1.0,1.4,1.6,1.6,1.8,1.4,1.6,1.8,1.6); grade=c(rep(First,8),rep(Second,8),rep(Third,7)) length(hours)