Search Results for author: Nick Rittler

Found 2 papers, 1 papers with code

A Two-Stage Active Learning Algorithm for $k$-Nearest Neighbors

no code implementations19 Nov 2022 Nick Rittler, Kamalika Chaudhuri

$k$-nearest neighbor classification is a popular non-parametric method because of desirable properties like automatic adaption to distributional scale changes.

Active Learning Vocal Bursts Valence Prediction

A Deep Learning Approach to Probabilistic Forecasting of Weather

1 code implementation23 Mar 2022 Nick Rittler, Carlo Graziani, Jiali Wang, Rao Kotamarthi

We discuss an approach to probabilistic forecasting based on two chained machine-learning steps: a dimensional reduction step that learns a reduction map of predictor information to a low-dimensional space in a manner designed to preserve information about forecast quantities; and a density estimation step that uses the probabilistic machine learning technique of normalizing flows to compute the joint probability density of reduced predictors and forecast quantities.

BIG-bench Machine Learning Density Estimation +2

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