, whether it works on
my real world problem is TBD. It is running now, slowly.
From: Joris Meys [mailto:jorism...@gmail.com]
Sent: Wednesday, June 02, 2010 7:35 PM
To: Doran, Harold
Cc: r-help@r-project.org
Subject: Re: [R] Use apply only on non-missing values
Not really a direct answer on your question
Not really a direct answer on your question, but:
> system.time(replicate(1,apply(as.matrix(theta), 1, rasch, b_vector)))
user system elapsed
4.510.034.55
> system.time(replicate(1,theta%*%t(b_vector)))
user system elapsed
0.250.000.25
It does make a differen
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