1 code implementation • 1 Dec 2023 • Aleksandr Karakulev, Dave Zachariah, Prashant Singh
We present an efficient parameter-free approach for statistical learning from corrupted training sets.
no code implementations • 23 Oct 2023 • Sofia Ek, Dave Zachariah
Trial data is, however, drawn from a population which may differ from the intended target population and this raises a problem of external validity (aka.
1 code implementation • NeurIPS 2023 • Antônio H. Ribeiro, Dave Zachariah, Francis Bach, Thomas B. Schön
And, conversely, the minimum-norm interpolator is the solution to adversarial training with a given radius.
1 code implementation • 20 Jan 2023 • Sofia Ek, Dave Zachariah, Fredrik D. Johansson, Petre Stoica
We consider the problem of evaluating the performance of a decision policy using past observational data.
1 code implementation • ICLR 2021 • David Widmann, Fredrik Lindsten, Dave Zachariah
In the machine learning literature, different measures and statistical tests have been proposed and studied for evaluating the calibration of classification models.
1 code implementation • 22 Jun 2022 • Ludvig Hult, Dave Zachariah, Petre Stoica
Assessment of model fitness is a key part of machine learning.
no code implementations • 25 May 2022 • Antônio H. Ribeiro, Dave Zachariah, Thomas B. Schön
We prove that adversarial training with small disturbances gives the solution with the minimum-norm that interpolates the training data.
no code implementations • 21 Jan 2022 • Per Mattsson, Dave Zachariah, Petre Stoica
We start by showing that three known optimal linear estimators belong to a wider class of estimators that can be formulated as a solution to a weighted and constrained minimization problem.
no code implementations • 19 Oct 2021 • Sofia Ek, Dave Zachariah, Petre Stoica
The paper considers the problem of multi-objective decision support when outcomes are uncertain.
no code implementations • 18 May 2021 • Muhammad Osama, Dave Zachariah, Petre Stoica
We consider the problem of learning from training data obtained in different contexts, where the underlying context distribution is unknown and is estimated empirically.
1 code implementation • 15 Dec 2020 • Ludvig Hult, Dave Zachariah
We verify the capability of the method to produce valid confidence intervals for average causal effects using synthetic data, even when the appropriate specification of control variables is unknown.
1 code implementation • 9 Oct 2020 • Muhammad Osama, Dave Zachariah, Satyam Dwivedi, Petre Stoica
We address the problem of timing-based localization in wireless networks, when an unknown fraction of data is corrupted by nonideal signal conditions.
1 code implementation • NeurIPS 2019 • Muhammad Osama, Dave Zachariah, Petre Stoica
A spatial point process can be characterized by an intensity function which predicts the number of events that occur across space.
no code implementations • NeurIPS 2020 • Muhammad Osama, Dave Zachariah, Peter Stoica
We address the problem of learning a decision policy from observational data of past decisions in contexts with features and associated outcomes.
no code implementations • 13 Feb 2020 • Johan Simonsson, Khalid Tourkey Atta, Dave Zachariah, Wolfgang Birk
In this paper a new method for heat load prediction in district energy systems is proposed.
no code implementations • 16 Dec 2019 • Xiuming Liu, Dave Zachariah, Petre Stoica
The robustness properties of the approach are demonstrated on both real and synthetic data.
1 code implementation • NeurIPS 2019 • David Widmann, Fredrik Lindsten, Dave Zachariah
In safety-critical applications a probabilistic model is usually required to be calibrated, i. e., to capture the uncertainty of its predictions accurately.
1 code implementation • 3 Oct 2019 • Muhammad Osama, Dave Zachariah, Peter Stoica
We consider a general statistical learning problem where an unknown fraction of the training data is corrupted.
1 code implementation • 26 Feb 2019 • Dave Zachariah, Petre Stoica
In many applications, different populations are compared using data that are sampled in a biased manner.
1 code implementation • 28 Jan 2019 • Muhammad Osama, Dave Zachariah, Thomas B. Schön
We address the problem of inferring the causal effect of an exposure on an outcome across space, using observational data.
no code implementations • 27 Nov 2018 • Xiuming Liu, Dave Zachariah, Johan Wågberg, Thomas B. Schön
Semi-supervised learning methods are motivated by the availability of large datasets with unlabeled features in addition to labeled data.
1 code implementation • 17 Aug 2018 • Andreas Svensson, Dave Zachariah, Petre Stoica, Thomas B. Schön
The contribution in this paper is a general criterion to evaluate the consistency of a set of statistical models with respect to observed data.
1 code implementation • ICML 2018 • Muhammad Osama, Dave Zachariah, Thomas B. Schön
We address the problem of predicting spatio-temporal processes with temporal patterns that vary across spatial regions, when data is obtained as a stream.
no code implementations • 31 Jan 2018 • Xiuming Liu, Dave Zachariah, Edith C. H. Ngai
Gaussian process (GP) models provide a powerful tool for prediction but are computationally prohibitive using large data sets.
no code implementations • 12 Dec 2017 • Arun Venkitaraman, Dave Zachariah
We address the problem of prediction of multivariate data process using an underlying graph model.
1 code implementation • 7 Dec 2017 • Andreas Svensson, Dave Zachariah, Thomas B. Schön
The choice of model class is fundamental in statistical learning and system identification, no matter whether the class is derived from physical principles or is a generic black-box.
1 code implementation • 19 May 2017 • Dave Zachariah, Petre Stoica
We develop a novel method for counterfactual analysis based on observational data using prediction intervals for units under different exposures.
1 code implementation • 15 Mar 2017 • Dave Zachariah, Petre Stoica, Thomas B. Schön
We develop an online learning method for prediction, which is important in problems with large and/or streaming data sets.
1 code implementation • 14 Jun 2016 • Per Mattsson, Dave Zachariah, Petre Stoica
In this paper we develop a method for learning nonlinear systems with multiple outputs and inputs.
no code implementations • 13 Jun 2016 • Johan Wågberg, Dave Zachariah, Thomas B. Schön, Petre Stoica
Starting from a generalization of the Cram\'er-Rao bound, we derive a more accurate MSE bound which provides a measure of uncertainty for prediction of Gaussian processes.