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High-dimensional statistics for complex data
(Universita degli studi di Salerno, 2018-05-29)
High dimensional data analysis has become a popular research topic in the
recent years, due to the emergence of various new applications in several fields
of sciences underscoring the need for analysing massive data ...
A screening selection procedure for nonparametric regression and survival analysis
(Universita degli studi di Salerno, 2020-05-18)
This thesis aims at proposing a new method of solving the nonparametric and non-additive
regression problem in presence of ultra-high dimensional data. In this context, there are two
relevant aspects: variable selection ...
Anomalies detection in credit risk data: an approach based on the Isolation Forest
(Universita degli studi di Salerno, 2019-12-16)
As starting point the definition of Risk as the chances of having an unexpected or negative outcome has been
introduced.
After a brief introduction on most of the risk categories as Banks and regulators, the thesis ...