Displaying 2 results from an estimated 2 matches for "salvadei".
2011 Nov 17
2
function sum for array
...each of the 3 strata.
I've tried to use apply(A,3,sum) but the result is a vector, not a matrix.
Another solution is a less elegant
B=matrix(rep(0,6),ncol=3)
for(t in 1:4) B = B + A[ , , t]
May anybody help?
S
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Simone Salvadei
Faculty of Economics
Department of Financial and Economic Studies and Quantitative Methods
University of Rome Tor Vergata
e-mail: simone.salvadei@uniroma2.it <federico.belotti@uniroma2.it>
url: http://www.economia.uniroma2.it/phd/econometricsempiricaleconomics/
<http://www.econometrics.it...
2011 Nov 02
4
array manipulation
...primitive) 'for' cycle?
*# (previously defined) phi=array with dimensions c(c,d,T)*
*
*
*temp=array(0,dim=c(c,d,T))*
* for(i in 1:T)*
* {*
* temp[,,i]=t(phi[,,i])*
* }*
* phi=temp*
*
*
Thank you very much!
S
--
-------------------------------------------------------------------
Simone Salvadei
Faculty of Economics
Department of Financial and Economic Studies and Quantitative Methods
University of Rome Tor Vergata
e-mail: simone.salvadei@uniroma2.it <federico.belotti@uniroma2.it>
url: http://www.economia.uniroma2.it/phd/econometricsempiricaleconomics/
<http://www.econometrics.it...