Re: [R] restricted bootstrap

2008-09-06 Thread Prof Brian Ripley
On Thu, 4 Sep 2008, Grant Gillis wrote: Hello Professor Ripely, Sorry for not being clear. I posted after a long day of struggling. Also my toy distance matrix should have been symmetrical. Simply put I have spatially autocorrelated data collected from many points. I would like to do a linea

Re: [R] restricted bootstrap

2008-09-05 Thread ONKELINX, Thierry
elp@r-project.org Onderwerp: Re: [R] restricted bootstrap Hello Professor Ripely, Sorry for not being clear. I posted after a long day of struggling. Also my toy distance matrix should have been symmetrical. Simply put I have spatially autocorrelated data collected from many points. I would like

Re: [R] restricted bootstrap

2008-09-04 Thread Grant Gillis
Hello Professor Ripely, Sorry for not being clear. I posted after a long day of struggling. Also my toy distance matrix should have been symmetrical. Simply put I have spatially autocorrelated data collected from many points. I would like to do a linear regression on these data. To deal with t

Re: [R] restricted bootstrap

2008-09-04 Thread Prof Brian Ripley
I see nothing here to do with the 'bootstrap', which is sampling with replacement. Do you know what you mean exactly by 'randomly sample'? In general the way to so this is to sample randomly (uniformly, whatever) and reject samples that do not meet your restriction. For some restrictions th