Browsing by Author "Vergara-Cardozo, Sandra"

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Properties and inference for proportional hazard models

Martínez-Florez, Guillermo; Moreno-Arenas, Germán; Vergara-Cardozo, Sandra

We consider an arbitrary continuous cumulative distribution functionF(x) with a probability density function f(x) = dF(x)=dx and hazard functionhf (x) = f(x)=[1

Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Estadística. 2013
The family of log-skew-normal alpha-power distributions using precipitation data

Martínez-Flórez, Guillermo; Vergara-Cardozo, Sandra; González, Luz Mery

We present a new set of distributions for positive data based on a skewnormalalpha-power (PSN) model including a new parameter which in turnmakes the log-skew-normal alpha-power (LPSN) model more flexible thanboth the ...

Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Estadística. 2013