Search Results for author: Matthew J. Vowels

Found 9 papers, 3 papers with code

SLEM: Machine Learning for Path Modeling and Causal Inference with Super Learner Equation Modeling

1 code implementation8 Aug 2023 Matthew J. Vowels

Causal inference is a crucial goal of science, enabling researchers to arrive at meaningful conclusions regarding the predictions of hypothetical interventions using observational data.

Causal Inference

A Causal Research Pipeline and Tutorial for Psychologists and Social Scientists

no code implementations10 Jun 2022 Matthew J. Vowels

We present a new process which begins with the incorporation of techniques from the confluence of causal discovery and machine learning for the development, validation, and transparent formal specification of theories.

Causal Discovery

Trying to Outrun Causality with Machine Learning: Limitations of Model Explainability Techniques for Identifying Predictive Variables

1 code implementation20 Feb 2022 Matthew J. Vowels

Furthermore, researchers concerned with imposing overly restrictive functional form (e. g., as would be the case in a linear regression) may be motivated to use machine learning algorithms in conjunction with explainability techniques, as part of exploratory research, with the goal of identifying important variables which are associated with an outcome of interest.

BIG-bench Machine Learning regression

A Free Lunch with Influence Functions? Improving Neural Network Estimates with Concepts from Semiparametric Statistics

no code implementations18 Feb 2022 Matthew J. Vowels, Sina Akbari, Necati Cihan Camgoz, Richard Bowden

Unfortunately, they are unlikely to be sufficiently flexible to be able to adequately model real-world phenomena, and may yield biased estimates.

Causal Inference

Shadow-Mapping for Unsupervised Neural Causal Discovery

no code implementations16 Apr 2021 Matthew J. Vowels, Necati Cihan Camgoz, Richard Bowden

An important goal across most scientific fields is the discovery of causal structures underling a set of observations.

Causal Discovery

VDSM: Unsupervised Video Disentanglement with State-Space Modeling and Deep Mixtures of Experts

1 code implementation CVPR 2021 Matthew J. Vowels, Necati Cihan Camgoz, Richard Bowden

Given that supervision is often expensive or infeasible to acquire, we choose to incorporate structural inductive bias and present an unsupervised, deep State-Space-Model for Video Disentanglement (VDSM).

Disentanglement Inductive Bias

NestedVAE: Isolating Common Factors via Weak Supervision

no code implementations CVPR 2020 Matthew J. Vowels, Necati Cihan Camgoz, Richard Bowden

Two outer VAEs with shared weights attempt to reconstruct the input and infer a latent space, whilst a nested VAE attempts to reconstruct the latent representation of one image, from the latent representation of its paired image.

Attribute Change Detection +1

Gated Variational AutoEncoders: Incorporating Weak Supervision to Encourage Disentanglement

no code implementations15 Nov 2019 Matthew J. Vowels, Necati Cihan Camgoz, Richard Bowden

However, there is some debate about how to encourage disentanglement with VAEs and evidence indicates that existing implementations of VAEs do not achieve disentanglement consistently.

Disentanglement Informativeness

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