The original address has extraneous asterisks (*) around the R, here is one that works (for me at least):
tolstoy.newcastle.edu.au/R/devel/03b/1304.html Patrick Burns wrote: >This problem reminds me of the problem described in: > >tolstoy.newcastle.edu.au/*R*/devel/03b/1304.html > >In that case a specific matrix causes 'eigen' to return >NaNs in the eigen vectors. But dumping the matrix >and reading it back in does not reproduce the problem. >That you are getting a hang rather than merely garbage >returned is considerably more annoying I would imagine. > > >Patrick Burns >[EMAIL PROTECTED] >+44 (0)20 8525 0696 >http://www.burns-stat.com >(home of S Poetry and "A Guide for the Unwilling S User") > >Jingqin luo wrote: > > > >>Dear R-users, >> Recently, I have come across a weird problem. I run a large number of >> iterations and at one of the step within each iteration, I calculate the >> eigen values of a updated covariance matrix. From all my intermediate >> output, the code freezes after printing out the covariance matrix but before >> printing out the eigen values. So, obviously it stops at the only step, the >> eigen() function calculation. However, it didn't give any error message from >> this eigen function. Also, when I copy the printed out covariance matrix >> over and calculate its eigen function, there is no problem of giving the >> answer. So, nothing is wrong with this covariance matrix either. I suspect >> that probably during these iteration, I have returned too many objects or R >> had sth wrong with the memory allocation or ...... I have no idea how to >> debug it so far since I can't go into the eigen function step by step each >> time is run. If someone has any similar experience or good advice on >> debugging this problem, I >>would really appreciate it. Thanks! >> Jingqin >> >> >>--------------------------------- >>It's here! Your new message! >>Get new email alerts with the free Yahoo! Toolbar. >> [[alternative HTML version deleted]] >> >>______________________________________________ >>[email protected] mailing list >>https://stat.ethz.ch/mailman/listinfo/r-help >>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >>and provide commented, minimal, self-contained, reproducible code. >> >> >> >> >> >> > >______________________________________________ >[email protected] mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. > > > > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
