[R] fitting curve to data

[Nathan S. Watson-Haigh]

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I have the following data:

> y
 [1] 0.000 0.004 0.008 0.016 0.024 0.032 0.044 0.064 0.072 0.088 0.108 0.140
[13] 0.156 0.180 0.208 0.236 0.264 0.296 0.320 0.360 0.408 0.444 0.472 0.524
[25] 0.576
> x
 [1]  100  200  300  400  500  600  700  800  900 1000 1100 1200 1300 1400 1500
[16] 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500

I'd like to plot the points and calculate a curved line of best fit. I know I need to use nls(), but
I'm unsure how to begin....any pointers?

Cheers,
Nathan


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Dr. Nathan S. Watson-Haigh
OCE Post Doctoral Fellow
CSIRO Livestock Industries
Queensland Bioscience Precinct
St Lucia, QLD 4067
Australia

Tel: +61 (0)7 3214 2922
Fax: +61 (0)7 3214 2900
Web: http://www.csiro.au/people/Nathan.Watson-Haigh.html
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