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Hurdle negative binomial regression model with right censored count data
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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A Poisson model typically is assumed for count data. In many cases because of many zeros in
the response variable, the mean is not equal to the variance value of the dependent variable.
Therefore, the Poisson model is ...
Statistical modelling and forecasting of outstanding liabilities in non-life insurance
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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Non-life insurance companies need to build reserves to meet their claims liability cash flows. They
often work with aggregated data. Recently it has been suggested that better statistical properties
can be obtained when ...
On developing ridge regression parameters: a graphical investigation
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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In this paper we review some existing and propose some new est
imators for estimating the ridge
parameter. All in all 19 different estimators have been stud
ied. The investigation has been carried
out using Monte Carlo ...
A note on the use of supply-use tables in impact analyses
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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Little attention has so far been paid to the problems inheren
t in interpreting the meaning of results
from standard impact analyses using symmetric input-outpu
t tables. Impacts as well as drivers
of these impacts ...
The new class of Kummer beta generalized distributions
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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Ng and Kotz (1995) introduced a distribution that provides g
reater flexibility to extremes. We define
and study a new class of distributions called the Kummer beta
generalized family to extend the
normal, Weibull, ...
Flexible geoadditive survival analysis of non-Hodgkin lymphoma in Peru
(Institut d'Estadística de Catalunya, 2012)
Article.
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Article.
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Knowledge of prognostic factors is an important task for the clinical management of Non Hodgkin
Lymphoma (NHL). In this work, we study the variables affecting survival of NHL in Peru by means
of geoadditive Cox-type ...