Data fusion methods for the heterogeneity of treatment effect and
confounding function
July 25, 2020
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Statistics
Methodology
The heterogeneity of treatment effect (HTE) lies at the heart of precision
medicine. Randomized controlled trials are gold-standard for treatment effect
estimation but are typically underpowered for heterogeneous effects. In
contrast, large...
Cross-validation Approaches for Multi-study Predictions
July 24, 2020
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Statistics
Mathematics
Methodology
Statistics Theory
Statistics Theory
We consider prediction in multiple studies with potential differences in the
relationships between predictors and outcomes. Our objective is to integrate
data from multiple studies to develop prediction models for unseen studies. We
propose...
A (tight) upper bound for the length of confidence intervals with
conditional coverage
July 24, 2020
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Statistics
Methodology
We show that two popular selective inference procedures, namely data carving
(Fithian et al., 2017) and selection with a randomized response (Tian et al.,
2018b), when combined with the polyhedral method (Lee et al., 2016), result in
confid...
Clusterization in D-optimal designs: the case against linearization
July 23, 2020
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Mathematics
Statistics
Statistics Theory
Statistics Theory
Statistics Theory
Statistics Theory
Estimation of parameters in physical processes often demands costly
measurements, prompting the pursuit of an optimal measurement strategy. Finding
such strategy is termed the problem of optimal experimental design, abbreviated
as optimal d...
A half-integral Erd\H{o}s-P\'osa theorem for directed odd cycles
July 23, 2020
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Mathematics
Combinatorics
Combinatorics
We prove that there exists a function f:N→R
such that every directed graph G contains either k directed odd cycles
where every vertex of G is contained in at most two of them, or a set of at
most f(k) ...
The r-largest four parameter kappa distribution
July 23, 2020
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Statistics
Methodology
Applications
The generalized extreme value distribution (GEVD) has been widely used to
model the extreme events in many areas. It is however limited to using only
block maxima, which motivated to model the GEVD dealing with r-largest order
statistics ...
Version Control of Speaker Recognition Systems
July 23, 2020
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Electrical Engineering and Systems Science
Computer Science
Audio and Speech Processing
Distributed, Parallel, and Cluster Computing
Networking and Internet Architecture
Software Engineering
This paper discusses one of the most challenging practical engineering
problems in speaker recognition systems - the version control of models and
user profiles. A typical speaker recognition system consists of two stages: the
enrollment st...
Bayesian Robust Optimization for Imitation Learning
July 23, 2020
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Statistics
Computer Science
Machine Learning
Machine Learning
One of the main challenges in imitation learning is determining what action
an agent should take when outside the state distribution of the demonstrations.
Inverse reinforcement learning (IRL) can enable generalization to new states by
lear...
Space-Efficient Graph Kernelizations
July 22, 2020
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Computer Science
Data Structures and Algorithms
Let n be the size of a parameterized problem and k the parameter. We
present kernels for Feedback Vertex Set, Path Contraction and Cluster
Editing/Deletion whose sizes are all polynomial in k and that are computable
in polynomial time...
The Brasselet-Sch\"urmann-Yokura conjecture on L-classes of singular
varieties
July 22, 2020
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Mathematics
Algebraic Geometry
Algebraic Topology
In 2010, Brasselet, Sch\"urmann and Yokura conjectured an equality of
characteristic classes of singular varieties between the Goresky-MacPherson
L-class L∗(X) and the Hirzebruch homology class T1∗(X) for a compact
complex algebra...