I have always been passionate about linear regressions, perhaps since the days I used to play with the TI SR-51 calculator. But where true motivation really showed was with the HP-48SX, which forced you to learn reverse Polish notation. It allowed you to apply different regression methods and even gave…
It can be extrapolated from the AI Act that, When interacting with an AI system, it must be made clear that you are not speaking with a human being, but to a machine, unless this is already “obvious” from the context. This principle applies especially to chatbots and virtual assistants.…
Some years back I received a gift from a friend (Antonio), a game-changing book “The (Mis)Behavior of Markets: A Fractal View of Risk, Ruin, and Reward”. In 2004 Mandelbrot introduced a new theory about the market movements suggesting that it is much more chaotic than what described by the classical…
It’s quite long time man tries to predict the value of a phisical dimension and there are so many applications of time series forecasting, I won’t report here. With reference to the stock market, for example, the basic idea is that, even if its state, modeling it as dependent from…
L’esponente di Hurst è una misura statistica utilizzata per studiare le proprietà di ridimensionamento e la memoria a lungo termine dei dati delle serie temporali. È particolarmente utile per dedurre le proprietà di una serie temporale senza assumere stazionarietà. L’esponente di Hurst può indicare se una serie temporale è puramente…