Search Results for author: Tomi Peltola

Found 11 papers, 5 papers with code

Interactive AI with a Theory of Mind

no code implementations1 Dec 2019 Mustafa Mert Çelikok, Tomi Peltola, Pedram Daee, Samuel Kaski

Understanding each other is the key to success in collaboration.

Probabilistic Formulation of the Take The Best Heuristic

1 code implementation1 Nov 2019 Tomi Peltola, Jussi Jokinen, Samuel Kaski

The strengths of the probabilistic formulation, in addition to providing a bounded rational account of the learning of the heuristic, include natural extensibility with additional cognitively plausible constraints and prior information, and the possibility to embed the heuristic as a subpart of a larger probabilistic model.

Decision Making

A Decision-Theoretic Approach for Model Interpretability in Bayesian Framework

1 code implementation21 Oct 2019 Homayun Afrabandpey, Tomi Peltola, Juho Piironen, Aki Vehtari, Samuel Kaski

Through experiments on real-word data sets, using decision trees as interpretable models and Bayesian additive regression models as reference models, we show that for the same level of interpretability, our approach generates more accurate models than the alternative of restricting the prior.

Interpretable Machine Learning

Local Interpretable Model-agnostic Explanations of Bayesian Predictive Models via Kullback-Leibler Projections

no code implementations5 Oct 2018 Tomi Peltola

We introduce a method, KL-LIME, for explaining predictions of Bayesian predictive models by projecting the information in the predictive distribution locally to a simpler, interpretable explanation model.

Variable Selection

Machine Teaching of Active Sequential Learners

1 code implementation NeurIPS 2019 Tomi Peltola, Mustafa Mert Çelikok, Pedram Daee, Samuel Kaski

We formulate this sequential teaching problem, which current techniques in machine teaching do not address, as a Markov decision process, with the dynamics nesting a model of the learner and the actions being the teacher's responses.

Multi-Armed Bandits Probabilistic Programming

Interactive Prior Elicitation of Feature Similarities for Small Sample Size Prediction

no code implementations8 Dec 2016 Homayun Afrabandpey, Tomi Peltola, Samuel Kaski

The key idea is to use an interactive multidimensional-scaling (MDS) type scatterplot display of the features to elicit the similarity relationships, and then use the elicited relationships in the prior distribution of prediction parameters.

regression

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