Displaying 2 results from an estimated 2 matches for "xtxt".
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2004 Apr 19
1
using subscripts in a plot title with 2 lines
Hi,
I'm making a plot in which the title takes up two lines. The title
contains a subscript but when I look at the plot it does'nt seem tocome
out properly. The code I'm using is:
xtxt = expression(paste('Observed -log( ', IC[50], ' )'))
ytxt = expression(paste('Predicted -log( ', IC[50], ' )'))
mtxt = expression(paste('Plot of Observed vs. Predicted -log(',
IC[50], ') Values for the PDGFR\nDataset'))
plot(tset$V2, tset$V3...
2008 Aug 29
1
nls() fails on a simple exponential fit, when lm() gets it right?
...simpler ways', so nls is definitely in the wrong, but
the self-start is almost identical to the one for the logarithmic fit,
which works perfectly ....
I can't see my mistake at all. Can anyone help??
Thanks,
Toby Marthews
traceson=FALSE;maxint=10000;minstepfactor=2^(-30);tolerance=1e-7
xtxt="DBH in mm";ytxt="Height in m"
dbh=c(0.9,1.0,1.1,1.2,4.8,4.9,5.0,5.1,8.9,9.0,9.1,9.2,11.8,11.9,12.0,12.1,14.9,15.1,15.2,15.5)
height=c(5.770089,5.154794,4.888847,6.356770,14.849109,14.973146,15.423816,14.865038,21.335985,20.477624,20.915823,21.886004,23.714724,24.182210,23.95492...