ok, not really sorted :-(does not work in other values,...and I am not
really sure how to come over it
x=c(0.0191,0.0088,0.0150,0.0105,0.0430,0.0697,0.1999)
y=c(58,107,152,239,362,512,724)
x1=0.02220172
kk=y[x==min(x)]
approxExtrap(x[y>kk],y[y>kk],x1, method="linear")
approx(x[y>kk],y[y>kk],x1)
plot(x, y, typ="o")
abline(v=x1, col=8)
abline(h=approx(x[y>kk],y[y>kk],x1), col=6)
Once again, I wanted to get the upper value, the one close to 300 and not
the lowest or middle :-(
Any ideia how to get that? I tried looking inside the code of approx, but it
is in .C
Thank you once again,
All the best,
Marta
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