Thank you very much Petr! An external check like you did really helps.
After shutting down, I've started new session and project in a different
directory and it's working.
I will know next time that with R a full "turn it off and turn it on again" can
make a difference even when I can't see why it should :-)
John
-------------------------
Dr John Hillier
Senior Lecturer - Physical Geography
Loughborough University
01509 223727
________________________________
From: PIKAL Petr <petr.pi...@precheza.cz>
Sent: 05 September 2016 14:01:52
To: John Hillier; r-help mailing list
Subject: RE: [R] sim() not working in example given in lava() documentation -
please help.
Hi
I do not know anything about lava, however this
m <- lvm(y~x+z)
regression(m) <- x~z
distribution(m,~y+z) <- binomial.lvm("logit")
d <- sim(m,1e3)
head(d)
y x z
1 1 1.0033540 1
2 0 0.3834120 0
3 1 -0.3737790 1
4 1 -1.2927288 0
5 0 -0.4242461 1
6 0 -1.8349548 0
>
gives me some result without any error.
So obviosly something is broken in your side. Try to start clean R session and
try this code again.
Cheers
Petr
> -----Original Message-----
> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of John Hillier
> Sent: Monday, September 5, 2016 2:19 PM
> To: r-help mailing list <R-help@r-project.org>
> Subject: [R] sim() not working in example given in lava() documentation -
> please help.
>
> Dear All,
>
> I am trying to simulate using a statistical model created in the lava()
> package.
> My model gave the error message "Error in rep(0, ncol(fx)) : invalid 'times'
> argument". So, I used the example in the documentation for the lava()
> package - v1.4.4, on page 79; this is copied below with the output. It did
> the
> same thing.
>
> I can plot and view the model, so it appears to have been created correctly.
>
> I am relative new to this, so don't have a good idea of where to start when a
> standard example fails like this. I have tried naive fiddling with the code,
> and
> Googling. Any advice would be much appreciated.
>
> Thank you
>
> John
>
> > ##################################################
> > ## Logistic regression
> > ##################################################
> > m <- lvm(y~x+z)
> > regression(m) <- x~z
> > distribution(m,~y+z) <- binomial.lvm("logit")
> > d <- sim(m,1e3)
> Error in rep(0, ncol(fx)) : invalid 'times' argument
>
>
>
>
> -------------------------
> Dr John Hillier
> Senior Lecturer - Physical Geography
> Loughborough University
> 01509 223727
>
> [[alternative HTML version deleted]]
>
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> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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