Browsing Economia e politiche dei mercati e delle imprese by Subject "SECS-S/01 STATISTICA"
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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 ... -
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 ...