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Causal discovery for purely observational, categorical data is a long-standing challenging problem. Unlike continuous data, the vast majority of existing methods for categorical data focus on inferring the Markov equivalence class only,…

统计方法学 · 统计学 2022-12-20 Yang Ni , Bani Mallick

Classification of ordinal data is one of the most important tasks of relation learning. In this thesis a novel framework for ordered classes is proposed. The technique reduces the problem of classifying ordered classes to the standard…

人工智能 · 计算机科学 2007-05-23 Jaime S. Cardoso

Order is one of the main instruments to measure the relationship between objects in (empirical) data. However, compared to methods that use numerical properties of objects, the amount of ordinal methods developed is rather small. One reason…

人工智能 · 计算机科学 2023-12-29 Gerd Stumme , Dominik Dürrschnabel , Tom Hanika

In this paper, we introduce d3rlpy, an open-sourced offline deep reinforcement learning (RL) library for Python. d3rlpy supports a set of offline deep RL algorithms as well as off-policy online algorithms via a fully documented…

机器学习 · 计算机科学 2022-12-06 Takuma Seno , Michita Imai

The dynamic mode decomposition (DMD) is a simple and powerful data-driven modeling technique that is capable of revealing coherent spatiotemporal patterns from data. The method's linear algebra-based formulation additionally allows for a…

In this paper, we introduce directional feedback in the ordinal regression setting, in which the learner receives feedback on whether the predicted label is on the left or the right side of the actual label. This is a weak supervision…

机器学习 · 计算机科学 2025-12-23 Naresh Manwani , M Elamparithy , Tanish Taneja

Deep metric learning algorithms have a wide variety of applications, but implementing these algorithms can be tedious and time consuming. PyTorch Metric Learning is an open source library that aims to remove this barrier for both…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Kevin Musgrave , Serge Belongie , Ser-Nam Lim

DoubleML is an open-source Python library implementing the double machine learning framework of Chernozhukov et al. (2018) for a variety of causal models. It contains functionalities for valid statistical inference on causal parameters when…

机器学习 · 统计学 2022-10-06 Philipp Bach , Victor Chernozhukov , Malte S. Kurz , Martin Spindler

AlphaTwirl is a Python library that summarizes large event data into multivariate categorical data, which can be regarded as generalizations of histograms. The output can be imported as data frames in R and pandas. With their rich set of…

计算物理 · 物理学 2019-09-20 Tai Sakuma

We propose a new constrained-optimization formulation for deep ordinal classification, in which uni-modality of the label distribution is enforced implicitly via a set of inequality constraints over all the pairs of adjacent labels. Based…

机器学习 · 计算机科学 2020-06-15 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Ordinal regression is commonly formulated as a multi-class problem with ordinal constraints. The challenge of designing accurate classifiers for ordinal regression generally increases with the number of classes involved, due to the large…

机器学习 · 计算机科学 2015-03-18 Chun-Wei Seah , Ivor W. Tsang , Yew-Soon Ong

Multiple Instance Learning (MIL) is a powerful framework for weakly supervised learning, particularly useful when fine-grained annotations are unavailable. Despite growing interest in deep MIL methods, the field lacks standardized tools for…

Outcomes with a natural order commonly occur in prediction tasks and often the available input data are a mixture of complex data like images and tabular predictors. Deep Learning (DL) models are state-of-the-art for image classification…

机器学习 · 统计学 2021-04-21 Lucas Kook , Lisa Herzog , Torsten Hothorn , Oliver Dürr , Beate Sick

Detecting microbial biomarkers used to predict disease phenotypes and clinical outcomes is crucial for disease early-stage screening and diagnosis. Most methods for biomarker identification are linear-based, which is very limited as…

定量方法 · 定量生物学 2021-09-29 Jian Jiang

Ordinal regression (OR) is a special multiclass classification problem where an order relation exists among the labels. Recent years, people share their opinions and sentimental judgments conveniently with social networks and E-Commerce so…

机器学习 · 计算机科学 2018-12-21 Yong Shi , Huadong Wang , Xin Shen , Lingfeng Niu

Label smoothing is an effective regularization tool for deep neural networks (DNNs), which generates soft labels by applying a weighted average between the uniform distribution and the hard label. It is often used to reduce the overfitting…

计算机视觉与模式识别 · 计算机科学 2021-07-23 Chang-Bin Zhang , Peng-Tao Jiang , Qibin Hou , Yunchao Wei , Qi Han , Zhen Li , Ming-Ming Cheng

For classification tasks, dictionary learning based methods have attracted lots of attention in recent years. One popular way to achieve this purpose is to introduce label information to generate a discriminative dictionary to represent…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Shuai Shao , Mengke Wang , Rui Xu , Yan-Jiang Wang , Bao-Di Liu

CleanRL is an open-source library that provides high-quality single-file implementations of Deep Reinforcement Learning algorithms. It provides a simpler yet scalable developing experience by having a straightforward codebase and…

机器学习 · 计算机科学 2021-11-18 Shengyi Huang , Rousslan Fernand Julien Dossa , Chang Ye , Jeff Braga

ODTLearn is an open-source Python package that provides methods for learning optimal decision trees for high-stakes predictive and prescriptive tasks based on the mixed-integer optimization (MIO) framework proposed in (Aghaei et al., 2021)…

机器学习 · 统计学 2025-09-03 Patrick Vossler , Sina Aghaei , Nathan Justin , Nathanael Jo , Andrés Gómez , Phebe Vayanos

Deep learning frameworks have often focused on either usability or speed, but not both. PyTorch is a machine learning library that shows that these two goals are in fact compatible: it provides an imperative and Pythonic programming style…