Search Results for author: Melvin Varughese

Found 3 papers, 3 papers with code

Sequential estimation of Spearman rank correlation using Hermite series estimators

2 code implementations • 11 Dec 2020 • Michael Stephanou, Melvin Varughese

To treat the non-stationary setting, we introduce a novel, exponentially weighted estimator for the Spearman rank correlation, which allows the local nonparametric correlation of a bivariate data stream to be tracked.

Clustering Data Summarization +2

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Sequential Quantiles via Hermite Series Density Estimation

1 code implementation • 17 Jul 2015 • Michael Stephanou, Melvin Varughese, Iain Macdonald

These algorithms go beyond existing sequential quantile estimation algorithms in that they allow arbitrary quantiles (as opposed to pre-specified quantiles) to be estimated at any point in time.

Data Summarization Sequential Distribution Function Estimation +1

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Results from the Supernova Photometric Classification Challenge

1 code implementation • 5 Aug 2010 • Richard Kessler, Bruce Bassett, Pavel Belov, Vasudha Bhatnagar, Heather Campbell, Alex Conley, Joshua A. Frieman, Alexandre Glazov, Santiago Gonzalez-Gaitan, Renee Hlozek, Saurabh Jha, Stephen Kuhlmann, Martin Kunz, Hubert Lampeitl, Ashish Mahabal, James Newling, Robert C. Nichol, David Parkinson, Ninan Sajeeth Philip, Dovi Poznanski, Joseph W. Richards, Steven A. Rodney, Masao Sako, Donald P. Schneider, Mathew Smith, Maximilian Stritzinger, Melvin Varughese

A spectroscopically confirmed subset was provided for training.

Cosmology and Nongalactic Astrophysics

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