no code implementations • 15 Feb 2023 • Colin Sullivan, Mo Tiwari, Sebastian Thrun, Chris Piech
Once the posterior has been learned, trees can be sampled efficiently (linearly in the number of nodes).
1 code implementation • 14 Dec 2022 • Mo Tiwari, Ryan Kang, Je-Yong Lee, Sebastian Thrun, Chris Piech, Ilan Shomorony, Martin Jinye Zhang
We present an algorithm that accelerates the training of random forests and other popular tree-based learning methods.
no code implementations • 14 Dec 2022 • Mo Tiwari, Ryan Kang, Je-Yong Lee, Luke Lee, Chris Piech, Sebastian Thrun, Ilan Shomorony, Martin Jinye Zhang
We provide theoretical guarantees that BanditMIPS returns the correct answer with high probability, while improving the complexity in $d$ from $O(\sqrt{d})$ to $O(1)$.
1 code implementation • 16 Nov 2022 • Evan Zheran Liu, Moritz Stephan, Allen Nie, Chris Piech, Emma Brunskill, Chelsea Finn
However, teaching and giving feedback on such software is time-consuming -- standard approaches require instructors to manually grade student-implemented interactive programs.
1 code implementation • 16 May 2022 • Anaïs Tack, Chris Piech
How can we test whether state-of-the-art generative models, such as Blender and GPT-3, are good AI teachers, capable of replying to a student in an educational dialogue?
1 code implementation • NeurIPS 2021 • Allen Nie, Emma Brunskill, Chris Piech
Contemporary coding education often presents students with the task of developing programs that have user interaction and complex dynamic systems, such as mouse based games.
no code implementations • 26 Aug 2021 • Mike Wu, Richard L. Davis, Benjamin W. Domingue, Chris Piech, Noah Goodman
Item Response Theory (IRT) is a ubiquitous model for understanding human behaviors and attitudes based on their responses to questions.
1 code implementation • 16 Aug 2021 • Rishi Bommasani, Drew A. Hudson, Ehsan Adeli, Russ Altman, Simran Arora, Sydney von Arx, Michael S. Bernstein, Jeannette Bohg, Antoine Bosselut, Emma Brunskill, Erik Brynjolfsson, Shyamal Buch, Dallas Card, Rodrigo Castellon, Niladri Chatterji, Annie Chen, Kathleen Creel, Jared Quincy Davis, Dora Demszky, Chris Donahue, Moussa Doumbouya, Esin Durmus, Stefano Ermon, John Etchemendy, Kawin Ethayarajh, Li Fei-Fei, Chelsea Finn, Trevor Gale, Lauren Gillespie, Karan Goel, Noah Goodman, Shelby Grossman, Neel Guha, Tatsunori Hashimoto, Peter Henderson, John Hewitt, Daniel E. Ho, Jenny Hong, Kyle Hsu, Jing Huang, Thomas Icard, Saahil Jain, Dan Jurafsky, Pratyusha Kalluri, Siddharth Karamcheti, Geoff Keeling, Fereshte Khani, Omar Khattab, Pang Wei Koh, Mark Krass, Ranjay Krishna, Rohith Kuditipudi, Ananya Kumar, Faisal Ladhak, Mina Lee, Tony Lee, Jure Leskovec, Isabelle Levent, Xiang Lisa Li, Xuechen Li, Tengyu Ma, Ali Malik, Christopher D. Manning, Suvir Mirchandani, Eric Mitchell, Zanele Munyikwa, Suraj Nair, Avanika Narayan, Deepak Narayanan, Ben Newman, Allen Nie, Juan Carlos Niebles, Hamed Nilforoshan, Julian Nyarko, Giray Ogut, Laurel Orr, Isabel Papadimitriou, Joon Sung Park, Chris Piech, Eva Portelance, Christopher Potts, aditi raghunathan, Rob Reich, Hongyu Ren, Frieda Rong, Yusuf Roohani, Camilo Ruiz, Jack Ryan, Christopher Ré, Dorsa Sadigh, Shiori Sagawa, Keshav Santhanam, Andy Shih, Krishnan Srinivasan, Alex Tamkin, Rohan Taori, Armin W. Thomas, Florian Tramèr, Rose E. Wang, William Wang, Bohan Wu, Jiajun Wu, Yuhuai Wu, Sang Michael Xie, Michihiro Yasunaga, Jiaxuan You, Matei Zaharia, Michael Zhang, Tianyi Zhang, Xikun Zhang, Yuhui Zhang, Lucia Zheng, Kaitlyn Zhou, Percy Liang
AI is undergoing a paradigm shift with the rise of models (e. g., BERT, DALL-E, GPT-3) that are trained on broad data at scale and are adaptable to a wide range of downstream tasks.
1 code implementation • 23 Jul 2021 • Mike Wu, Noah Goodman, Chris Piech, Chelsea Finn
High-quality computer science education is limited by the difficulty of providing instructor feedback to students at scale.
1 code implementation • 27 Apr 2021 • Moussa Doumbouya, Lisa Einstein, Chris Piech
Next, we share West African wav2vec, a speech encoder trained on the noisy radio corpus, and compare it with the baseline Facebook speech encoder trained on six times more data of higher quality.
no code implementations • 1 Jan 2021 • Allen Nie, Emma Brunskill, Chris Piech
Contemporary coding education often present students with the task of developing programs that have user interaction and complex dynamic systems, such as mouse based games.
1 code implementation • NeurIPS 2020 • Mo Tiwari, Martin J. Zhang, James Mayclin, Sebastian Thrun, Chris Piech, Ilan Shomorony
In these experiments, we observe that BanditPAM returns the same results as state-of-the-art PAM-like algorithms up to 4x faster while performing up to 200x fewer distance computations.
2 code implementations • 11 Jun 2020 • Mo Tiwari, Martin Jinye Zhang, James Mayclin, Sebastian Thrun, Chris Piech, Ilan Shomorony
Current state-of-the-art $k$-medoids clustering algorithms, such as Partitioning Around Medoids (PAM), are iterative and are quadratic in the dataset size $n$ for each iteration, being prohibitively expensive for large datasets.
1 code implementation • 1 Feb 2020 • Mike Wu, Richard L. Davis, Benjamin W. Domingue, Chris Piech, Noah Goodman
Item Response Theory (IRT) is a ubiquitous model for understanding humans based on their responses to questions, used in fields as diverse as education, medicine and psychology.
no code implementations • 10 Sep 2019 • Chris Piech, Sami Abu-El-Haija
The study is to the best of our knowledge the first on human-language in code and covers 2. 9 million Java repositories.
no code implementations • 5 Jun 2019 • Chris Piech, Ali Malik, Laura M Scott, Robert T. Chang, Charles Lin
First, we uncover a new parametric probabilistic model of visual acuity response based on detailed measurements of patients with eye disease.
no code implementations • 31 May 2019 • Nate Gruver, Ali Malik, Brahm Capoor, Chris Piech, Mitchell L. Stevens, Andreas Paepcke
Understanding large-scale patterns in student course enrollment is a problem of great interest to university administrators and educational researchers.
no code implementations • 23 May 2019 • Ali Malik, Mike Wu, Vrinda Vasavada, Jinpeng Song, Madison Coots, John Mitchell, Noah Goodman, Chris Piech
In this paper, we present generative grading: a novel computational approach for providing feedback at scale that is capable of accurately grading student work and providing nuanced, interpretable feedback.
1 code implementation • 5 Sep 2018 • Mike Wu, Milan Mosse, Noah Goodman, Chris Piech
Rubric sampling requires minimal teacher effort, can associate feedback with specific parts of a student's solution and can articulate a student's misconceptions in the language of the instructor.
2 code implementations • 30 Jun 2018 • Christina Wadsworth, Francesca Vera, Chris Piech
Recidivism prediction scores are used across the USA to determine sentencing and supervision for hundreds of thousands of inmates.
6 code implementations • NeurIPS 2015 • Chris Piech, Jonathan Spencer, Jonathan Huang, Surya Ganguli, Mehran Sahami, Leonidas Guibas, Jascha Sohl-Dickstein
Knowledge tracing---where a machine models the knowledge of a student as they interact with coursework---is a well established problem in computer supported education.
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no code implementations • 22 May 2015 • Chris Piech, Jonathan Huang, Andy Nguyen, Mike Phulsuksombati, Mehran Sahami, Leonidas Guibas
Providing feedback, both assessing final work and giving hints to stuck students, is difficult for open-ended assignments in massive online classes which can range from thousands to millions of students.
no code implementations • 9 Jul 2013 • Chris Piech, Jonathan Huang, Zhenghao Chen, Chuong Do, Andrew Ng, Daphne Koller
In massive open online courses (MOOCs), peer grading serves as a critical tool for scaling the grading of complex, open-ended assignments to courses with tens or hundreds of thousands of students.