Search Results for author: Niels Richard Hansen

Found 6 papers, 4 papers with code

Substitute adjustment via recovery of latent variables

no code implementations1 Mar 2024 Jeffrey Adams, Niels Richard Hansen

Our results support that when the latent variable model of the regressors hold, substitute adjustment is a viable method for adjusted regression.

regression

Efficient adjustment for complex covariates: Gaining efficiency with DOPE

1 code implementation20 Feb 2024 Alexander Mangulad Christgau, Niels Richard Hansen

Based on our theoretical results, we propose the Debiased Outcome-adapted Propensity Estimator (DOPE) for efficient estimation of the ATE, and we provide asymptotic results for the DOPE under general conditions.

Nonparametric Conditional Local Independence Testing

1 code implementation25 Mar 2022 Alexander Mangulad Christgau, Lasse Petersen, Niels Richard Hansen

It describes whether the evolution of one process is directly influenced by another process given the histories of additional processes, and it is important for the description and learning of causal relations among processes.

Local Independence Testing for Point Processes

1 code implementation25 Oct 2021 Nikolaj Thams, Niels Richard Hansen

Existing tests require strong model assumptions, e. g. that the true data generating model is a Hawkes process with no latent confounders.

Point Processes

Graphical continuous Lyapunov models

2 code implementations21 May 2020 Gherardo Varando, Niels Richard Hansen

The linear Lyapunov equation of a covariance matrix parametrizes the equilibrium covariance matrix of a stochastic process.

Penalized estimation in large-scale generalized linear array models

no code implementations12 Oct 2015 Adam Lund, Martin Vincent, Niels Richard Hansen

Computation and storage of its tensor product design matrix can be impossible due to time and memory constraints, and previously considered design matrix free algorithms do not scale well with the dimension of the parameter vector.

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