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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,181 papers · 148 categories

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3 results for “Lasso-Zero”

Robust Lasso-Zero for sparse corruption and model selection with missing covariatesstat.AP

Robust Lasso-Zero handles missing covariates and sparse corruptions.

problem Sparse corruptions and missing covariates in sparse linear models.

method Extension of Lasso-Zero to handle sparse corruptions, with theoretical guarantees on sign recovery.

result Robust Lasso-Zero can handle missing values without specifying a parametric model.

Lasso sparse corruptions missing data robustness sign recovery

2020-05-12abs ↗pdf ↗

Model selection with lasso-zero: adding straw to the haystack to better find needlesstat.ME

Lasso-Zero improves support recovery in high-dimensional linear models.

problem Support recovery in high-dimensional linear models with sparse

β^0

method Lasso-Zero uses an 'overfit, then threshold' approach with noise dictionaries.

result Lasso-Zero outperforms competitors in support recovery and trade-off between true positives and false discoveries.

Lasso-Zero support recovery high-dimensional models sparse vectors noise dictionaries

2018-05-14abs ↗pdf ↗

Non-bifurcating phylogenetic tree inference via the adaptive LASSOq-bio.PE

The paper introduces a new method to infer phylogenetic trees without bifurcations.

problem Inferring phylogenetic trees with zero-length branches and polytomies.

method Adaptive LASSO-type regularization estimators for phylogenetics.

result Regularization is a practical approach for phylogenetics, revealing zero-length branches.

phylogenetics LASSO zero-length branches polytomies maximum-likelihood

2018-05-28abs ↗pdf ↗