吴建明

摘要： 用NumPy genfromtxt导入数据 NumPy provides several functions to create arrays from tabular data. We focus here on the genfromtxt function. In a nutshell, ge 阅读全文

摘要： 如何在Python中加速信号处理 This post is the eighth installment of the series of articles on the RAPIDS ecosystem. The series explores and discusses various aspe 阅读全文

摘要： 反向时间迁移降低算力 Reverse time migration (RTM) is a powerful seismic migration technique, providing geophysicists with the ability to create accurate 3D imag 阅读全文

摘要： AI基础架构Pass Infrastructure Operation Pass OperationPass : Op-Specific OperationPass : Op-Agnostic Dependent Dialects Initialization Analysis Management 阅读全文

摘要： XGBoost原理介绍 1. 什么是XGBoost XGBoost是一个开源机器学习项目，实现了GBDT算法，进行了算法和工程上的许多改进，广泛应用在Kaggle竞赛及许多机器学习竞赛中。 说到XGBoost，不得不提GBDT(Gradient Boosting Decision Tree)。XGB 阅读全文

摘要： Structured Streaming编程 Programming Guide Overview Quick Example Programming Model Basic Concepts Handling Event-time and Late Data Fault Tolerance Sem 阅读全文

摘要： ML Pipelines管道 In this section, we introduce the concept of ML Pipelines. ML Pipelines provide a uniform set of high-level APIs built on top of DataFr 阅读全文

摘要： 特征提取，转换和选择 Extracting, transforming and selecting features This section covers algorithms for working with features, roughly divided into these groups 阅读全文

摘要： 聚类Clustering This page describes clustering algorithms in MLlib. The guide for clustering in the RDD-based API also has relevant information about the 阅读全文

摘要： 降维-基于RDD的API Singular value decomposition (SVD) Performance SVD Example Principal component analysis (PCA) Dimensionality reduction is the process of 阅读全文