On 11/22/2010 10:14 PM, romzero wrote:
Q1: How can i draw LSD (Least significant difference) on a plot?
Like this...
http://r.789695.n4.nabble.com/file/n3053430/LSD.jpg
Q2: How can i draw the axis secondary scale?
Hi romzero,
This is somewhat of a guess, but:
segments(2.3,1.6,2.3,1.6+value of LSD)
text(2.2,1.6+value of LSD/2,LSD(P=0.05),adj=1)
where value of LSD is the length of your line.
For the secondary scale, I assume you mean the little ticks on the
right side of the plot. Maybe:
plotlim-par(usr)
par(xpd=TRUE)
segments(plotlim[2],y values for ticks,
plotlim[2]+diff(plotlim[1:2])/50),y values for ticks)
where y values for ticks are the vertical positions for the ticks.
Jim
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