Re: [R] random uniform sample of points on an ellipsoid (e.g. WG

* (1 - a^2))/a^4 + 1) You find the function t(z) such that dA/dt is constant. Then you select from a uniform distribution and then find the value of z that corresponds. -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED

[R] random uniform sample of points on an ellipsoid (e.g. WGS84)

. Can anyone point me at a solution? Thanks very much. -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED] __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

[R] solving for a 2D transformation matrix

',y' are available? I sense the presence a solution lingering in the murky mists, (some kind of least squares?) but I am not sure what it is or how to go about it exactly. Thanks for your help! -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED

Re: [R] formula parsing, using parts ...

, ~ ,factor))' approach, response and factor seem to need to be strings (at least they seem to if response is log(x) or the like). Whereas, for pairwise.t.test they need to be names. What is the proper way to do that? -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL

Re: [R] formula parsing, using parts ...

to be log(Ozone)? The get() function doesn't help me there. -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED] __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help

Re: [R] formula parsing, using parts ...

Uwe == Uwe Ligges [EMAIL PROTECTED] writes: Russell Suppose I want x to be log(Ozone)? The get() function Russell doesn't help me there. Uwe eval(parse(text=x)) Ah, that seems to have done it. Thanks! -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED

Re: [R] variance component analysis for nested model

needed. -- Russell Senior ``I have nine fingers; you have ten.'' [EMAIL PROTECTED] __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help

[R] formula parsing, using parts ...

a different interface, that seems to want me to dismember the formula into constituent parts to feed in. The other alternative is to give my.function the constituent parts and let it build the model. I haven't figured out how to do either one. Can someone give me some pointers? -- Russell Senior

[R] variance component analysis for nested model

, and different visits to the same house are probably related. I want to be able to compute how much of the total variance of value is explained by each of these. How can I do that in R? Thanks! -- Russell Senior ``shtal latta wos ba padre u prett tu nashtonfi [EMAIL PROTECTED] mrlosh

Re: [R] estimating quantiles from binned data

. -- Russell Senior ``shtal latta wos ba padre u prett tu nashtonfi [EMAIL PROTECTED] mrlosh'' -- Bashgali Kafir for ``If you have had diarrhoea many days you will surely die.'' __ [EMAIL PROTECTED] mailing list https