Thank you very much. I am trying to execute it line by line to get some
understanding how this works.
Could you please explain me what these two lines do?
tie <- m[,2] == c(-Inf, m[-nrow(m),2])
m <- m[ !tie, ]
I would like to thank you in advance for your help
Best Regards
Alex
________________________________
From: Michael Bedward <michael.bedw...@gmail.com>
Cc: Rhelp <r-help@r-project.org>
Sent: Wed, September 15, 2010 12:52:45 PM
Subject: Re: [R] Interpolate? a line
Hello Alex,
Here is one way to do it. It works but it's not pretty :)
interp <- approx(c(2, 62), c(3, 34), method="linear", xout=2:62)
m <- matrix(c(interp$x, round(interp$y)), ncol=2)
tie <- m[,2] == c(-Inf, m[-nrow(m),2])
m <- m[ !tie, ]
You might want to examine the result like this...
plot(m) # plots points
lines(c(2,26), c(3, 34)) # overlay line for comparison
Michael
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