Hello, I have a simple overdetermined system coming from physical measurements. I would like to know if there is a simple way to compute the result of such a system in R. I am aware of the package chebR and the least square methods to provide an optimal solution. But I am really interested in the error propagation, I have variable uncertainty associated to my measurements and would like to propagate them to come up with a confidence interval for the optimal solutions of the system. Any way or library to do that in R? Thanks -- View this message in context: http://r.789695.n4.nabble.com/Overdetermined-systems-tp3033353p3033353.html Sent from the R help mailing list archive at Nabble.com.