1 code implementation • 9 Apr 2024 • Christian Marius Lillelund, Martin Magris, Christian Fischer Pedersen
In this paper, we study the benefits of modeling uncertainty in deep neural networks for survival analysis with a focus on prediction and calibration performance.
no code implementations • 5 Oct 2023 • Martin Magris, Alexandros Iosifidis
The Bayesian estimation of GARCH-family models has been typically addressed through Monte Carlo sampling.
no code implementations • 21 Nov 2022 • Martin Magris, Alexandros Iosifidis
The last decade witnessed a growing interest in Bayesian learning.
1 code implementation • 26 Oct 2022 • Martin Magris, Mostafa Shabani, Alexandros Iosifidis
We propose an optimization algorithm for Variational Inference (VI) in complex models.
no code implementations • 26 Oct 2022 • Mostafa Shabani, Martin Magris, George Tzagkarakis, Juho Kanniainen, Alexandros Iosifidis
Cross-correlation analysis is a powerful tool for understanding the mutual dynamics of time series.
no code implementations • 23 May 2022 • Martin Magris, Mostafa Shabani, Alexandros Iosifidis
Our Quasi Black-box Variational Inference (QBVI) framework is readily applicable to a wide class of Bayesian inference problems and is of simple implementation as the updates of the variational posterior do not involve gradients with respect to the model parameters, nor the prescription of the Fisher information matrix.
no code implementations • 7 Mar 2022 • Martin Magris, Mostafa Shabani, Alexandros Iosifidis
The prediction of financial markets is a challenging yet important task.
no code implementations • 14 Jan 2022 • Mostafa Shabani, Dat Thanh Tran, Martin Magris, Juho Kanniainen, Alexandros Iosifidis
Financial time-series forecasting is one of the most challenging domains in the field of time-series analysis.
no code implementations • 5 Sep 2017 • Dat Thanh Tran, Martin Magris, Juho Kanniainen, Moncef Gabbouj, Alexandros Iosifidis
Nowadays, with the availability of massive amount of trade data collected, the dynamics of the financial markets pose both a challenge and an opportunity for high frequency traders.