On-device research index

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.

168,695 papers · 148 categories

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3 results for “Fowlkes-Mallows”

Optimal Decision Trees for Nonlinear Metricscs.LG

Novel algorithm optimizes decision trees for nonlinear metrics.

problem Optimizing decision trees for nonlinear metrics like F1-score.

method Bi-objective optimisation approach to find optimal trees on Pareto frontier.

result The optimal tree for nonlinear metrics lies on the Pareto frontier.

decision trees nonlinear metrics F1-score Matthews correlation Fowlkes-Mallows

2020-09-15abs ↗pdf ↗

Normalised clustering accuracy: An asymmetric external cluster validity measurecs.LG

A new measure normalizes clustering accuracy to evaluate algorithms better.

problem Evaluation of clustering algorithms is challenging due to limitations of existing measures.

method Proposes a new, normalised clustering accuracy measure.

result The new measure identifies worst-case scenarios and is more interpretable.

clustering evaluation external validity internal validity ground truth

2022-09-07abs ↗pdf ↗

Prevalence Threshold and bounds in the Accuracy of Binary Classification Systemsstat.ML

The paper discusses thresholds and bounds for accuracy in binary classification systems.

problem The accuracy of binary classification systems and its dependence on prevalence.

method Analyzing the precision-prevalence curve and negative predictive value-prevalence curve to find thresholds and bounds.

result Thresholds (

φ_e

and

φ_n

) bound various accuracy metrics (Fβ, F1, FM, MCC) and the ratio of maximum accuracy to prevalence.

binary classification accuracy metrics prevalence threshold negative predictive value Matthews Correlation Coefficient

2021-12-25abs ↗pdf ↗