On 27-Sep-10 08:55:13, Maayt wrote:
As this forum proved to be very helpful, I got another question...
I'd like to fit data points on which I have an error, dx and dy,
on each x and y. What would be the common procedure to fit this
data by a linear model taking into account uncertainty on each
There is the lmodel2 package...
http://cran.r-project.org/web/packages/lmodel2/vignettes/mod2user.pdf
Geometric mean regression has been discussed on this list in the past,
for example:
https://stat.ethz.ch/pipermail/r-help/2005-June/072927.html
I've used that approach with nls (rightly or
As this forum proved to be very helpful, I got another question...
I'd like to fit data points on which I have an error, dx and dy, on each x
and y. What would be the common procedure to fit this data by a linear model
taking into account uncertainty on each point? Would weighting each point by
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