Matlab Data Fitting for Medication Dosing Plan
故可制定给药方案:即:首次注射375mg,其余每次注射225mg,注射的间隔时间为4小时。
Matlab
0
2024-11-06
MATLAB Excel Import Code for Data Science Basics
MATLAB导入Excel代码数据科学语: Julia [这就是我们正在使用的]库/软件包: matplotlib-用于数据分析 Matlab-用于数学计算快速说明: julia code = .jl文件扩展名操作:赞美~和&或|双向运算,例如>, <, >>>数学运算:输入数据输入一个字符串: var = readline()读取数字: num = parse(Int64, readline())环形尽管while (true) print("Go to hell") end有条件的如果别的if (num % 2 == 0) println("even") else println("odd") end职能:传统方法: function sum(a,b) a + b end新方法: sum(a,b) = a + b功能对象的分配something = sum现在分配的对象将工作相同something(5, 10)功能类型用户自定义功能参数功能功能形式没有参数,没有返回
Matlab
0
2024-11-02
Mastering Data Science A Practical Guide from Industry Experts
Data Science has become a pivotal skill set, capable of shaping everything from election outcomes to revolutionary business models. This field’s allure stems from its power to answer complex, meaningful questions through data. But how can one learn such a vast and interdisciplinary subject effectively? This book adapts Columbia University’s 'Introduction to Data Science' class into a user-friendly format, guiding you through essential skills chapter by chapter., Each lecture, presented by a guest data scientist from a leading company like Google, Microsoft, or eBay, introduces crucial algorithms, methods, and models backed by real-world case studies and code examples. Discover what data scientists do daily, and gain hands-on techniques as you progress through each topic., Key topics explored include:, - Machine learning and data mining algorithms, - Statistical models and methods, - The differences between prediction and description, - Techniques for exploratory data analysis, - Communication and visualization methods, - Data processing for large datasets, - Big data management, - Essential programming skills, - Data science ethics, - Strategies for asking insightful questions, Whether you’re comfortable with linear algebra or just starting, this resource provides a clear path toward mastering the skills that define today’s data science landscape.
算法与数据结构
0
2024-10-26
MySQL Continuous Data Protection: Best Practices and Case Study
This document outlines best practices for implementing continuous data protection for MySQL databases, illustrated by a case study of the .IE registry's restore process.
Best Practices:
Regular Backups: Implement a robust backup strategy encompassing full, incremental, and potentially log-based backups to minimize data loss.
Backup Validation: Regularly test backups to ensure their recoverability and completeness.
Point-in-Time Recovery: Implement mechanisms for point-in-time recovery to restore data to a specific timestamp.
Redundancy and Replication: Utilize replication technologies to maintain redundant copies of data and ensure high availability.
Disaster Recovery Planning: Develop and regularly test a comprehensive disaster recovery plan that includes backup restoration procedures.
.IE Continuous Restore Process:
The .IE registry's restore process serves as a case study for continuous data protection. Key elements include:
Automated Backups: Automated, frequent backups ensure minimal data loss.
Offsite Storage: Secure offsite storage protects backups from local disasters.
Regular Testing: Routine testing validates the recoverability of backups.
Documented Procedures: Clearly documented procedures streamline the restore process.
Benefits:
Minimized Data Loss
Reduced Downtime
Enhanced Data Integrity
Improved Disaster Recovery Posture
Conclusion:
Implementing continuous data protection for MySQL databases is crucial for maintaining data integrity and availability. By adhering to best practices and learning from real-world examples, organizations can significantly reduce the risks associated with data loss and ensure business continuity.
MySQL
2
2024-05-30
Data Mining Learning Resources and Final Exam Review Key Points
数据挖掘是一种从海量数据中提取有价值知识的过程,结合了统计学、机器学习和数据库技术。在南京工程学院数据科学与计算机专业的课程中,数据挖掘是一门重要的专业课程,培养学生的数据分析能力,帮助他们理解并应用相关算法解决实际问题。
在数据挖掘的学习过程中,我们首先需要了解数据预处理的基本步骤,包括数据清洗(如处理缺失值、异常值和重复值)、数据集成(将来自不同来源的数据合并)和数据转换(如规范化、离散化)。这些预处理步骤对于确保后续分析的有效性和准确性至关重要。
接着,我们要深入学习各种数据挖掘方法,其中分类、聚类和关联规则是最基础的三类。分类是通过训练模型预测目标变量的类别,常见的算法有决策树、随机森林、支持向量机(SVM)和神经网络。聚类则是无监督学习,用于发现数据的内在结构,常用算法包括K-means、DBSCAN和层次聚类。关联规则用于找出项集之间的频繁模式,如Apriori算法。
在机器学习部分,除了掌握监督学习和无监督学习,还需了解半监督学习和强化学习。监督学习中,除了分类算法,还包括回归任务,如线性回归、逻辑回归和梯度提升算法(如XGBoost、LightGBM)。无监督学习则关注降维(PCA、t-SNE)和聚类。半监督学习适用于标记数据有限的情况,强化学习则通过与环境交互优化策略。
特征选择和特征工程是数据挖掘中的关键环节。特征选择减少冗余和提高模型效率,方法包括过滤法、包裹法和嵌入法。特征工程则通过构建新特征来增强模型表现。
模型评估与调优也是学习的重点。常用的评估指标包括准确率、召回率、F1分数、AUC-ROC曲线等,针对不同问题类型,选择合适的评估标准至关重要。模型调优通常通过交叉验证和超参数调整实现,如网格搜索和随机搜索。
掌握数据挖掘工具是实践中的必备技能。R语言和Python是常用的编程语言,它们拥有丰富的数据挖掘库,如R的caret和Python的scikit-learn。同时,数据可视化工具如matplotlib、seaborn和ggplot2帮助我们理解和展示分析结果。
期末复习时,应重点回顾上述知识点,通过练习案例巩固理解,提升解决实际问题的能力。实际操作项目和模拟测试有助于检查理论知识的掌握情况。
数据挖掘
0
2024-10-26
Fintech-Impact-on-Insurance-Actuarial-Science-Big-Data-Blockchain.pdf
在金融科技快速发展的背景下,金融科技对我国保险行业的影响日益显著,尤其是在大数据和区块链技术的推动下,保险精算工作面临着前所未有的变革。通过分析大数据与区块链在保险精算中的应用,探讨其对精算模型、风险评估、定价策略以及赔付预测的深远影响。
一方面,大数据技术通过处理大量实时数据,帮助保险公司更加精准地评估客户风险,改进定价模型,并能够对客户行为进行实时分析,提高精算的准确性和效率。另一方面,区块链技术则为保险精算提供了更加透明、安全的交易记录,降低了信息不对称,提高了数据共享的可信度,从而增强了精算过程中的风险控制能力。
综上所述,金融科技尤其是大数据和区块链的融合为我国保险精算带来了巨大的变革机会,不仅提升了精算工作的精确度与效率,也推动了行业向更加智能化、透明化的方向发展。
Hadoop
0
2024-11-06
Bi-LSTM MATLAB Code and Data Science Notes Deep Learning,Machine Learning,and More
Bi-LSTM MATLAB Code – DataScience-Notes 数据科学笔记。提供有关数据科学的笔记、代码和实例,涵盖数学、统计、机器学习、深度学习等基础知识及相关应用场景。参考资料已在最后列出。大部分代码采用Python编写,涉及的库及框架包括: NumPy、SymPy、Scikit-learn、Gensim、TensorFlow 1.X、TensorFlow 2.X 和 MXNet。部分数值分析代码则使用MATLAB编写。
注释:- (notebook): Jupyter Notebook 文件链接- (MATLAB): 相应的 MATLAB 代码链接- (md): Markdown 文件链接- (link): 外部链接
目录1. Prerequisite Knowledge (必备知识)- 1.1 Basic Concepts Related to Mathematics and Python Implementation (数学相关基础概念和Python实现)- Vector and Determinant (向量和行列式)- Matrix (矩阵及其运算)
Matlab
0
2024-11-05
Gradient Design Resources
This archive contains resources related to gradient design.
Hbase
3
2024-06-22