Displaying 2 results from an estimated 2 matches for "putoto".
2011 Sep 19
2
Poisson-Gamma computation (parameters and likelihood)
...which I really don't understand.
*poislike*
*[1] 0 0 0 0 0 0 0 0 0 0*
The values shouldn't be all null, otherwise my posterior cannot be computed
properly. Does anyone have any idea on where I could possibly have messed it
up?
Thank you very much for your attention.
Regards,
Sebastiano Putoto (University of Pavia, Italy)
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2009 Jan 18
2
Extracting random rows from a dataset
Hello dear R Users,
I am working on a dataset of 928 Enterprises, of which are observed 12
different characters. I need to randomly sample, without repetition, 70% of
the entreprises, to create a testing set, and let the other 30% of the
enterprises be a validating set (holdout validation, I think that is). How
do I do that? Of course all the characters of each row must remain together.
Also, I