Re: [R] Using lm to estimate a parameter?

2013-02-19 Thread Hans W Borchers
Uwe Ligges statistik.tu-dortmund.de> writes: > > On 19.02.2013 11:23, hellen wrote: > > Hi, > > I have a data with three variables (X,Y,Z) and I have an equation as > > Z=X/(1+L*X/Y) where L is a constant which need to be estimated from data. > > How should I write the formula in lm or is it poss

Re: [R] Using lm to estimate a parameter?

2013-02-19 Thread Uwe Ligges
On 19.02.2013 11:23, hellen wrote: Hi, I have a data with three variables (X,Y,Z) and I have an equation as Z=X/(1+L*X/Y) where L is a constant which need to be estimated from data. How should I write the formula in lm or is it possible to fit a linear model in this case? Neither, it is nonli

[R] Using lm to estimate a parameter?

2013-02-19 Thread hellen
Hi, I have a data with three variables (X,Y,Z) and I have an equation as Z=X/(1+L*X/Y) where L is a constant which need to be estimated from data. How should I write the formula in lm or is it possible to fit a linear model in this case? Thanks! Hallen [[alternative HTML version deleted]]