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Below. -- Bert Bert Gunter On Thu, Jul 13, 2017 at 3:07 AM, Luigi Biagini <luigi.biagini at gmail.com> wrote: > I have two ideas about it. > > 1- > i) Entering variables in quadratic form is done with the command I > (variable ^ 2) - > plsr (octane ~ NIR + I (nir ^ 2), ncomp = 10, data = gasTrain, validation = > "LOO" > You could a...

I have two ideas about it. 1- i) Entering variables in quadratic form is done with the command I (variable ^ 2) - plsr (octane ~ NIR + I (nir ^ 2), ncomp = 10, data = gasTrain, validation = "LOO" You could also use a new variable NIR_sq <- (NIR) ^ 2 ii) To insert a square variable, use syntax I (x ^ 2) - it is very important to insert I before the parentheses. iii) If you want to

> On Jul 13, 2017, at 7:43 AM, Bert Gunter <bgunter.4567 at gmail.com> wrote: > > Below. > > -- Bert > Bert Gunter > > > > On Thu, Jul 13, 2017 at 3:07 AM, Luigi Biagini <luigi.biagini at gmail.com> wrote: >> I have two ideas about it. >> >> 1- >> i) Entering variables in quadratic form is done with the command I >> (variable ^ 2) - >> plsr (octane ~ NIR + I (nir ^ 2), ncomp = 10, data = gasTrain, validation = >> &qu...

...David Winsemius <dwinsemius at comcast.net> wrote: > >> On Jul 13, 2017, at 7:43 AM, Bert Gunter <bgunter.4567 at gmail.com> wrote: >> >> Below. >> >> -- Bert >> Bert Gunter >> >> >> >> On Thu, Jul 13, 2017 at 3:07 AM, Luigi Biagini <luigi.biagini at gmail.com> wrote: >>> I have two ideas about it. >>> >>> 1- >>> i) Entering variables in quadratic form is done with the command I >>> (variable ^ 2) - >>> plsr (octane ~ NIR + I (nir ^ 2), ncomp = 10, data = gasTrain, va...

Hello to everybody, first of all: thanks a lot for your hard work and for this nice piece of software! After many search about the following SIGSEGV, I decide to post the backtrace and I hope to have avoided duplicated thread. The problem arise after I enable clucene fts. I tryed the clucene ports version (I am using OpenBSD) and a fixed version from github (Blue-Rocket/clucene::feature/pod)

Hi R helpers, I have a problem on a zero-inflated binomial distribution. I have many regressions and few observations for which I wanted to apply the LASSO regression. Is there a package that allows the ZIB-Lasso? Thank you very much! [[alternative HTML version deleted]]