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25 results for “from:Matteo Richiardi”

Applying a function to a matrix using indexes as arguments
Matteo Richiardi · Dec 17, 2015 · r-help

Hi David, that's a great answer, thanks so much. I imagined apply() was involved in the solution, but I was unable to find how myself. Thanks again. Matteo On 17 December 2015 at 01:37, David Winsemius <dwinsemius at...

assigning values to elements of matrixes
Matteo Richiardi · Dec 24, 2015 · r-help

Dear all, Thanks very much for your help. This completely clarifies my question. Mayteo Il giorno 23/dic/2015 17:05, "Anthoni, Peter (IMK)" <peter.anthoni at kit.edu> ha scritto: > Hi, > > How about the following: > foo2 <- function(s,i...

Applying a function to a matrix using indexes as arguments
Matteo Richiardi · Dec 16, 2015 · r-help

My problem is of course more complicated, and is obviously not a homework. I just wanted to provide a minimal working example. You can replace the matrix C with a matrix containing any number, for what matters. Btw, because numbers...

denstrip package: densregion when density is not provided
Matteo Richiardi · Oct 4, 2015 · r-help

I need to estimate the density from the other time series, similarly to what denstrip does (however, I need a whole region, and not just a strip). This is my updated example, where I tried to estimate the density from...

How can I eliminate a loop over a data.table?
Matteo Richiardi · Mar 18, 2013 · r-help

I've two data.tables as shown below: *** N = 10 A.DT <- data.table(a1 = c(rnorm(N,0,1)), a2 = NA)) B.DT <- data.table(b1 = c(rnorm(N,0,1)), b2 = 1:N) setkey(A.DT,a1) setkey...

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