[R-SIG-Finance] problem with fPortfolio
Brian G. Peterson
brian at braverock.com
Fri Jul 20 16:58:31 CEST 2007
Julio Ferreira wrote:
> While trying to use several functions (e.g. assetsMeanCov(x,
> method="cov") ) from fPortfolio package, I get error messages stating
> that it is "unable to find function isPositiveDefinite". I checked and
> apparently all required packages (dependencies) were installed and
> loaded. Looking at the documentations available I was unable to find any
> reference to this function. Has anyone get this problem before? How to
> solve it?
Have you tried calling update.packages() ?
Regards,
- Brian
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