Purpose: Automatic grouping of data according to certain characteristics is made possible by clustering algorithms, which makes them an essential tool when working with large datasets. However, although they are unsupervised tools, they generally require the specification of the number of...

Introduction and Excel Basics -- Blockchain (I): Numbers and Alphanumeric -- Blockchain (II): ASCII and Sha256 -- Ledge and Distributed Ledger -- Cryptography Basics: public and private keys -- Advanced Cryptography -- Cryptocurrency and Ganache -- Crypto markets, risk and risk-return tradeoff...

In this paper, we use Bayesian nonparametric learning to estimate the skill of actively managed mutual funds and also to estimate the population distribution for this skill. A nonparametric hierarchical prior, where the hyperprior distribution is unknown and modeled with a Dirichlet process...