Hi all,
I would like to create a scatter plot of two variables (y, x) whith third
value (z) written on the plot? After that i would like to add a line
(Y=0.7*(x-20)) to the graph.
I tried
plot(x~y)
but there is no command for the third vairable to be shown on the graph
also i can't find a way to add a Y=x*(0.7-20) to the chart.
Thanks, m
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