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Posts

Paper Reviews LLMs achieve adult human performance on higher-order theory of mind tasks

2 minute read

Published:

Just read through a paper from Arxiv. This topic is very interesting. “High order theory of mind”: the human ability to reason about multiple mental and emotional states in a recursive manner (e.g. I think that you believe that she knows). This step by step recursive reasoning should be what AI are good at since they should be good at recursively applying the same logic. The issue is to save within the AI framework, any mid-results that is found.

Consider Bayesian Posterior from a diffusion perspective

1 minute read

Published:

If one looks very carefully at how diffusion models equation is written down. It is very clear that there is connection between Bayesian Posterior and current diffusion Model. In Bayesian Statistics, we have $\theta \sim \pi(\theta)$ and ${\bf X} = {x_1,\cdots x_T} \sim f(x\mid \theta)$

A new introduction

1 minute read

Published:

Dear Readers of my technical blogpost, if you ever have the chance to come to this point. Well, first thing, thanks for coming to my blog series where I have decided to write about what I read over the years and pick out something interesting. I have done similar work before but it failed partially due to the fact that I was not able to be productive. In fact, I am pretty bad and maintaining something with positive feedback so maybe I will share this work on Medium or whatever platform neccesary to maintain a positive feedback loop. At the moment, I am thinking about just making this as a piece of notetaker for the papers that I have read. I will summarize the ideas in the paper but I will try not to comment on the work unless I have the oppportunity to play with properly. This blog series will mainly focus on

portfolio

ABC Methods

Published:

Approximate Bayesian Computation, a solution to interestingly hard problems

publications

Efficient Hybrid Algorithms for Computing Clusters Overlap

Published in Procedia Computer Science, 2016

we come up with a fast probabilistic algorithm,…, that can determine the similarity between large segments with a higher degree of accuracy than other known methods.

Recommended citation: Javangula, P., Modarre, K., Shenoy, P., Liu, Y., & Nayebi, A. (2017). " Efficient Hybrid Algorithms for Computing Clusters Overlap 1." Procedia Computer Science. 108: 1050-1059. https://www.sciencedirect.com/science/article/pii/S1877050917308050

Variable Selection with ABC Bayesian Forests

Published in Journal of Royal Statistical Society Series B (in Press), 2020

This paper develops the methodology for variable selection under non-parametric setting using ABC.

Recommended citation: Liu Y, Ročková V, Wang Y (2020). "Variable Selection with ABC Bayesian Forests." Journal of Royal Statistical Society Series B, In Press . https://arxiv.org/abs/1806.02304

Variable Selection via Thompson Sampling

Published in Jounal of America Statistical Association (In Press), Winner of SBSS 2020 Student Paper Competition awarded by ASA, 2020

TVS brings together Bayesian reinforcement and machine learning in order to extend the reach of Bayesian subset selection to non-parametric models and large datasets with very many predictors and/or very many observations.

Recommended citation: Liu Y., Rockova, V. . Variable Selection via Thompson Sampling[J]." arXiv preprint arXiv:2007.00187, 2020. . 1(3). https://yiliu9090.github.io/files/VS_TS.pdf

talks

Mini-Siminar

Published:

A departmental mini-siminar organized for year 2 students with a focus on past research and current research directions. The focus of the presentation lies in the current work in ABC Variable Selections Methods. Link to the Slides

teaching

Teaching Assistant

Teaching Assistant, University of Chicago, Department of Statistics, 2019

Teaching Assistant to STAT 24400: Link to Course Website cleared due to webpage upgrades