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2002 Aug 26
1
(CAR) Scatterplot and problems (?) with abline
...nterest Rate Parity. This
involves a scatterplot of x against y where the x and y limits are set
so to center the graph on 0,0 and then adding each axis line and a 45
degree line. Using CAR's scatterplot (sample code below) everything
except the axes plot fine:
scatterplot( Interest.Rate.Dif ~ ForPrm| profit,
xlim=c(-1,1),ylim=c(-1,1))
abline(0,1)
abline(v=0)
abline(h=0).
The problem is that the vertical (horz) line lies aprox 3% below (to the
left) of the 'zero' tick (or perhaps the zero tick lies above the zero
point). My intution is that there are multiple coordnet systems, but who
k...