Re: [R] Strange behaviour of lars method

2007-09-20 Thread Wiebke Timm
Thanks for your answer! On 20.09.2007, at 12:48, Tim Hesterberg wrote: > Might you be having numerical problems? That might very well be what's happening. Did hope that it only happens late in the procedure so I can ignore it, but those Cp values indicate I maybe can't. > If you're using th

[R] Strange behaviour of lars method

2007-09-19 Thread Wiebke Timm
Hi! When I apply the lars (least-angle-regression) method to my data (3655 features, only 355 data points, no I did not mistype), I observe a strange behaviour: 1) The beta values tend to grow into real high values quite fast up to a point where they overflow and get negative. The overflow