Search Results for author: Arjun Ashok

Found 9 papers, 6 papers with code

dsld: A Socially Relevant Tool for Teaching Statistics

no code implementations6 Nov 2024 Taha Abdullah, Arjun Ashok, Brandon Zarate, Shubhada Martha, Billy Ouattara, Norman Matloff, Aditya Mittal

The growing power of data science can play a crucial role in addressing social discrimination, necessitating nuanced understanding and effective mitigation strategies for biases.

Context is Key: A Benchmark for Forecasting with Essential Textual Information

1 code implementation24 Oct 2024 Andrew Robert Williams, Arjun Ashok, Étienne Marcotte, Valentina Zantedeschi, Jithendaraa Subramanian, Roland Riachi, James Requeima, Alexandre Lacoste, Irina Rish, Nicolas Chapados, Alexandre Drouin

To address this, we introduce "Context is Key" (CiK), a time series forecasting benchmark that pairs numerical data with diverse types of carefully crafted textual context, requiring models to integrate both modalities.

Decision Making Time Series +1

TACTiS-2: Better, Faster, Simpler Attentional Copulas for Multivariate Time Series

1 code implementation2 Oct 2023 Arjun Ashok, Étienne Marcotte, Valentina Zantedeschi, Nicolas Chapados, Alexandre Drouin

We introduce a new model for multivariate probabilistic time series prediction, designed to flexibly address a range of tasks including forecasting, interpolation, and their combinations.

Time Series Time Series Prediction

Extremely Simple Activation Shaping for Out-of-Distribution Detection

2 code implementations20 Sep 2022 Andrija Djurisic, Nebojsa Bozanic, Arjun Ashok, Rosanne Liu

The separation between training and deployment of machine learning models implies that not all scenarios encountered in deployment can be anticipated during training, and therefore relying solely on advancements in training has its limits.

Out-of-Distribution Detection

Class-Incremental Learning with Cross-Space Clustering and Controlled Transfer

2 code implementations7 Aug 2022 Arjun Ashok, K J Joseph, Vineeth Balasubramanian

This allows the model to learn classes in such a way that it maximizes positive forward transfer from similar prior classes, thus increasing plasticity, and minimizes negative backward transfer on dissimilar prior classes, whereby strengthening stability.

class-incremental learning Class Incremental Learning +2

Learning Modular Structures That Generalize Out-of-Distribution

no code implementations7 Aug 2022 Arjun Ashok, Chaitanya Devaguptapu, Vineeth Balasubramanian

generalization remains to be a key challenge for real-world machine learning systems.

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