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所在平台: Udemy |
课程主页: https://www.udemy.com/course/data-analysis-using-python-practical-skills-and-projects/
课程评论:没有评论
课程名称:使用Python进行数据分析:实用技能和项目 课程概述: 本课程全面介绍了使用Python进行数据分析,涵盖了NumPy和pandas等基本库,并探索了使用Plotly进行数据可视化。课程的最后一个模块是一个完整的项目,分析Google Playstore数据集,为学员提供在实际数据中应用所学技术的实践经验。 模块和主要内容: 模块1:数据分析与Python概述 - 数据分析及其重要性概述 - 各领域中数据分析的概念和意义 - 数据驱动决策的好处 - Python在数据分析中的应用简介 模块2:NumPy简介 - NumPy数组介绍 - NumPy数组相较于Python列表的结构和优势 - 从列表创建NumPy数组及使用内置函数 - 基本数组操作(创建、操作) - 执行数组的重塑、切片和逐元素操作 - 数组索引和切片 - 掌握访问和修改数组特定部分的技术 - 通用函数(ufuncs) - 使用通用函数进行逐元素操作和数学计算 - 数组广播 - 理解广播概念及其如何支持不同形状数组之间的操作 - 数学函数 - 利用内置数学函数对数组进行计算 模块3:pandas简介 - pandas的Series和DataFrame - Series和DataFrame的基本概念 - 使用pandas读取和写入数据(CSV、Excel、SQL) - 从和写入不同文件格式的数据技巧 - 数据操作和清洗方法 - 处理缺失值和重复值 - 索引、选择和过滤数据 - 在DataFrame中使用各种方法选择和过滤数据 - 处理缺失数据的方法 - 检测、填充和删除缺失数据,以维护数据质量 - 分组和聚合数据 - 使用groupby操作聚合和总结数据 模块4:使用Plotly进行数据可视化 - Plotly及其架构概述 - 用于交互式数据可视化的Plotly概述 - 使用Plotly图形对象创建基本图(折线图、散点图、柱状图) - 自定义图(标签、标题、颜色、样式) - 创建复杂可视化的子图和多个坐标轴 模块5:端到端数据分析项目 - Google Playstore分析 - 应用安装分析 - 确定安装最多的应用类别 - 识别安装最多的五个应用 - 评分分析 - 确定评分最高的应用类别 - 识别评分最高的五个应用 - 免费与付费应用分析 - 分析每个类别中付费和免费应用的分布 - 比较付费与免费应用的平均评分 - 价格分析 - 分析每个类别中的平均价格分布 项目标题:Google Playstore数据集分析 项目描述:分析Google Playstore数据集,以得出有意义的见解。项目将包括数据预处理、分析和可视化,以理解应用安装和评分的趋势和模式。 主要特点: a. 使用pandas读取和预处理Google Playstore数据集。 b. 分析安装和评分最多的应用类别。 c. 识别安装和评分最多的五个应用。 d. 可视化每个类别中付费与免费应用的分布。 e. 比较付费与免费应用的平均评分。 f. 可视化每个类别中的平均价格分布。 g. 利用Plotly进行互动数据可视化。 适合人群: - 想成为数据分析师和数据科学家的学员 - 希望提升数据分析技能的专业人士 - 有意利用Python进行数据驱动决策的个人 先决条件: - 基本的Python编程理解 - 对基础编程概念的熟悉 您将获得: - 使用Python进行数据分析的坚实基础 - 实践使用NumPy、pandas和Plotly等核心Python库的经验 - 有效清洗、操作和可视化数据的能力 - 端到端数据分析项目的实践经验 - 从真实数据集中提炼可行见解的技能
Course Description:This course provides a comprehensive introduction to data analysis using Python. It covers essential libraries like NumPy and pandas, and explores data visualization with Plotly. The course culminates in an end-to-end project analyzing the Google Playstore dataset, providing practical experience in applying the learned techniques to real-world data.Modules and Key Features:Module 1: Introduction to Data Analysis with Python- Overview of data analysis and its importance- Introduction to the concept and significance of data analysis in various fields.- Understanding the benefits of data-driven decision making.- Introduction to Python for data analysis course contentModule 2: Introduction to NumPy- Introduction to NumPy arrays- Understanding the structure and benefits of NumPy arrays over Python lists.- Creat ing NumPy arrays from lists and using built-in functions.- Basic array operations (creation, manipulation)- Performing fundamental array operations such as reshaping, slicing, and element-wise operations.- Array indexing and slicing- Mastering techniques to access and modify specific parts of an array.- Universal functions (ufuncs)- Utilizing universal functions for element-wise operations and mathematical computations.- Array broadcasting- Understanding the concept of broadcasting and how it enables operations on arrays of different shapes.- Mathematical functions- Using built-in mathematical functions to perform calculations on arrays.Module 3: Introduction to pandas- Introduction to pandas Series and DataFrame- Learning the fundamentals of Series and DataFrame, the core data structures in pandas.- Reading and writing data with pandas (CSV, Excel, SQL)- Techniques to read data from and write data to different file formats.- Data manipulation and cleaning techniques- Methods for cleaning and preparing data, including handling missing values and duplicates.- Indexing, selection, and filtering data- Techniques for selecting and filtering data in DataFrames using various methods.- Handling missing data- Approaches to detect, fill, and drop missing data to maintain data quality.- Grouping and aggregating data- Using groupby operations to aggregate and summarize data.Module 4: Data Visualization with Plotly- Introduction to Plotly and its architecture- Overview of Plotly for interactive data visualization and its underlying architecture.- Basic plots (line plots, scatter plots, bar plots) with Plotly Graph Objects- Creating basic plots to visualize data using Plotly Graph Objects.- Customizing plots (labels, titles, colors, styles) using Plotly- Techniques for customizing plots to enhance readability and aesthetics.- Subplots and multiple axes- Creating complex visualizations with subplots and multiple axes.Module 5: End-to-End Data Analysis Project - Google Playstore Analysis- Installs Analysis- Determining the most installed category of apps.- Identifying the top 5 apps in the top 5 installed categories.- Rating Analysis- Determining the most rated category of apps.- Identifying the top 5 apps in the top 5 rated categories.- Free vs. Paid Apps Analysis- Analyzing the distribution of paid and free apps in each category.- Comparing the average ratings of paid vs. free apps.- Price Analysis:- Distribution of average price in each category.Project Title: Google Playstore Dataset AnalysisProject Description:Analyze the Google Playstore dataset to derive meaningful insights. The project will involve data preprocessing, analysis, and visualization to understand trends and patterns in app installations and ratings.Key Features:a. Reading and preprocessing the Google Playstore dataset using pandas.b. Analyzing the most installed and rated categories of apps.c. Identifying the top 5 apps in the top 5 installed and rated categories.d. Visualizing the distribution of paid and free apps in each category.e. Comparing the average ratings of paid and free apps.f.Visualizing average price distribution in each category.g. Utilizing Plotly for interactive data visualizations.Who Should Enroll:- Aspiring Data Analysts and Data Scientists- Professionals looking to enhance their data analysis skills- Individuals interested in leveraging Python for data-driven decision makingPrerequisites:- Basic understanding of Python programming- Familiarity with fundamental programming conceptsWhat You'll Gain:- A solid foundation in data analysis using Python- Practical experience with essential Python libraries: NumPy, pandas, and Plotly- Ability to clean, manipulate, and visualize data effectively- Hands-on experience with an end-to-end data analysis project- Skills to derive actionable insights from real-world datasets