Displaying 5 results from an estimated 5 matches for "asafw".
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asaf
2012 Oct 29
2
Two-way Random Effects with unbalanced data
Hi there,
I am looking to fit a two-way random effects model to an *unblalanced*
layout,
y_ijk = mu + a_i + b_j + eps_ijk,
i=1,...,R, j=1,...,C, k=1,...,K_ij.
I am interested first of all in estimates for the variance components,
sigsq_a, sigsq_b and sigsq_error.
In the balanced case, there are simple (MM, MLE) estimates for these; In the
unbalanced setup,
2011 Dec 13
1
Mac shortcut for running a script
Hi,
I wonder if there is a mac equivalent to ctrl+r shortcut for running a
script line..
(I am using MAC OS X 10.7.2). I saw this post
http://r.789695.n4.nabble.com/Shortcut-to-run-script-tp1016619p1016619.html
but couldn't find an answer...
Thanks a lot,
Asaf
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Sent from
2012 Oct 23
2
Data type in a data frame
Hi all,
How does R know to regard a variable as a factor and not a character?
For example, consider the following table:
Observation Gender Dosage
Alertness
1 m a
8
2 m a
12
3
2012 Nov 01
1
What does uniroot return when an error occurs
Hi,
I'm using the uniroot function, and would like to detect an error which
occurs, for instance, when the values at endpoints are not of opposite
signs. For example:
uniroot( function(x) x^2+1, lower=1, upper=2 ).
I want to say something like:
if "error in uniroot(...)" return NA else return uniroot$root
Thanks a lot!
Asaf
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2011 Nov 01
1
predict for a cv.glmnet returns an error
Hi there,
I am trying to use predict() with an object returned by cv.glmnet(), and get
the following error:
no applicable method for 'predict' applied to an object of class "cv.glmnet"
What's wrong?
my code:
x=matrix(rnorm(100*20),100,20)
y=rnorm(100)
cv.fit=cv.glmnet(x,y)
predict(cv.fit,newx=x[1:5,])
coef(cv.fit)
Thanks so much,
Asaf
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