[R] Help with PLSR with jack knife

Bjørn-Helge Mevik b.h.mevik at usit.uio.no
Wed May 18 09:42:59 CEST 2011


Amit Patel <amitrhelp at yahoo.co.uk> writes:

> BHPLS1 <- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, validation = 
> "LOO")
>
> and
>
> BHPLS1 <- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, validation = 
> "CV")
[...]
> Now I am unsure of how to utilise these to identify the significant variables. 

You can use the jackknife built into plsr to get an indication about
significant variables, by adding the argument "jackknife = TRUE" to the
plsr call.  Use jack.test(BHPLS1) to do the test.

But _PLEASE_ do read the "Warning" section inf ?jack.test!

-- 
Regards,
Bjørn-Helge Mevik



More information about the R-help mailing list