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Build real Data Science projects with 87 beginner-friendly challenges. Learn by doing with guided coding exercises and practical applications.

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Practice Data Science Programming Projects

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๐Ÿ‡จ๐Ÿ‡ณ ็ฎ€ไฝ“ไธญๆ–‡ ๐Ÿ‡ฏ๐Ÿ‡ต ๆ—ฅๆœฌ่ชž ๐Ÿ‡ช๐Ÿ‡ธ Espaรฑol ๐Ÿ‡ซ๐Ÿ‡ท Franรงais ๐Ÿ‡ฉ๐Ÿ‡ช Deutsch ๐Ÿ‡ท๐Ÿ‡บ ะ ัƒััะบะธะน ๐Ÿ‡ฐ๐Ÿ‡ท ํ•œ๊ตญ์–ด ๐Ÿ‡ง๐Ÿ‡ท Portuguรชs ๐Ÿ‡บ๐Ÿ‡ธ English

Data Science is at the forefront of technological innovation. This Skill Tree offers a beginner - friendly and comprehensive exploration of the data analysis and interpretation world. By following a well - structured roadmap, you'll learn essential concepts and tools through hands - on, non - video courses. Practical exercises in the interactive playground will strengthen your skills in statistical analysis, machine learning, and data visualization.

Exercises

Index Name Difficulty Practice
01 ASCII Art Animation With OpenCV Beginner ๐Ÿš€ Start Lab
02 Gravitational Simulation of Earth and Super Jupiter Beginner ๐Ÿš€ Start Lab
03 Manage MySQL User Permissions Beginner ๐Ÿš€ Start Lab
04 Classifying Iris Using SVM Beginner ๐Ÿš€ Start Lab
05 Credit Card Holder Risk Prediction Beginner ๐Ÿš€ Start Lab
06 K-Nearest Neighbors Regression Algorithm Implementation Beginner ๐Ÿš€ Start Lab
07 Linear Regression Fitting and Plotting Beginner ๐Ÿš€ Start Lab
08 Implementing Minkowski Distance Metric Beginner ๐Ÿš€ Start Lab
09 Implementation of Polynomial Regression Beginner ๐Ÿš€ Start Lab
10 Simple Handwritten Character Recognition Classifier Beginner ๐Ÿš€ Start Lab
11 A Simple Course Database Beginner ๐Ÿš€ Start Lab
12 Managing Database Indexes in MySQL Beginner ๐Ÿš€ Start Lab
13 Add Student Personal Information Beginner ๐Ÿš€ Start Lab
14 Adding Constraints to the Course Schedule Beginner ๐Ÿš€ Start Lab
15 Adding Unique Constraint to City Names Beginner ๐Ÿš€ Start Lab
16 Average Salaries Per Department Beginner ๐Ÿš€ Start Lab
17 Backup MySQL Database with Mysqldump Beginner ๐Ÿš€ Start Lab
18 Biology Course Alumni Search Beginner ๐Ÿš€ Start Lab
19 Calculate User's Encrypted Password Beginner ๐Ÿš€ Start Lab
20 Change Default Value for Countrylanguage Table Beginner ๐Ÿš€ Start Lab
21 Cities With Over One Million Population Beginner ๐Ÿš€ Start Lab
22 City Names and Respective Countries Beginner ๐Ÿš€ Start Lab
23 Database Management and SQL Self-Join Beginner ๐Ÿš€ Start Lab
24 Columbus Discovery of the New World Beginner ๐Ÿš€ Start Lab
25 Comprehensive Operation of Basic Functions Beginner ๐Ÿš€ Start Lab
26 Comprehensive Challenge of This Section Beginner ๐Ÿš€ Start Lab
27 Comprehensive Operation of Conversion Functions Beginner ๐Ÿš€ Start Lab
28 Database Constraint Design and Implementation Beginner ๐Ÿš€ Start Lab
29 Countries and Codes in Region Beginner ๐Ÿš€ Start Lab
30 Countries With 1 Billion+ Population Beginner ๐Ÿš€ Start Lab
31 Accessing MySQL Database and Querying GNP Beginner ๐Ÿš€ Start Lab
32 Country GNP and Population Query Beginner ๐Ÿš€ Start Lab
33 Creating Stored Procedures for Course Data Retrieval Beginner ๐Ÿš€ Start Lab
34 Creating Secure MySQL User Accounts Beginner ๐Ÿš€ Start Lab
35 Creating Product Information Table Beginner ๐Ÿš€ Start Lab
36 SQL Queries for Student Course Analysis Beginner ๐Ÿš€ Start Lab
37 MySQL Database Management Fundamentals Beginner ๐Ÿš€ Start Lab
38 Mastering Database Management with SQL Beginner ๐Ÿš€ Start Lab
39 Delete Course Schedule View Data Beginner ๐Ÿš€ Start Lab
40 Delete Expired Course Information Beginner ๐Ÿš€ Start Lab
41 Comprehensive MySQL Data Manipulation Beginner ๐Ÿš€ Start Lab
42 SQL Querying for Employee Data Beginner ๐Ÿš€ Start Lab
43 Mastering MySQL Database Management Beginner ๐Ÿš€ Start Lab
44 Format Query for Teacher Salary Beginner ๐Ÿš€ Start Lab
45 General Function Comprehensive Challenge Beginner ๐Ÿš€ Start Lab
46 Accessing MySQL Database and SQL Querying Beginner ๐Ÿš€ Start Lab
47 Identify MVP Recipient in Game Beginner ๐Ÿš€ Start Lab
48 Mastering Database Joins for Personnel Data Beginner ๐Ÿš€ Start Lab
49 Largest Population by Country Beginner ๐Ÿš€ Start Lab
50 Largest Population in Five Countries Beginner ๐Ÿš€ Start Lab
51 Create MySQL Maximum Value Function Beginner ๐Ÿš€ Start Lab
52 Modifying MySQL Database Table Constraints Beginner ๐Ÿš€ Start Lab
53 Modify Primary Key of Countrylanguage Table Beginner ๐Ÿš€ Start Lab
54 Modify Student Table Attributes Beginner ๐Ÿš€ Start Lab
55 Mastering MySQL Data Analysis Beginner ๐Ÿš€ Start Lab
56 Number of Users With Modify Permissions Beginner ๐Ÿš€ Start Lab
57 Obtain Pi With Two Decimals Beginner ๐Ÿš€ Start Lab
58 Official Languages in Various Countries Beginner ๐Ÿš€ Start Lab
59 Personnel Management System Database Setup Beginner ๐Ÿš€ Start Lab
60 Print Current Login User Information Beginner ๐Ÿš€ Start Lab
61 Printing Current Time with MySQL Beginner ๐Ÿš€ Start Lab
62 Print Standard Body Temperature in Fahrenheit Beginner ๐Ÿš€ Start Lab
63 Query City Information for Specified IDs Beginner ๐Ÿš€ Start Lab
64 Query City Names With Country Beginner ๐Ÿš€ Start Lab
65 Query GDP for All Countries Beginner ๐Ÿš€ Start Lab
66 Query Is So Slow Beginner ๐Ÿš€ Start Lab
67 Query Population of All Countries Beginner ๐Ÿš€ Start Lab
68 SQL Database Creation and Non-Equijoin Query Beginner ๐Ÿš€ Start Lab
69 Query User Levels With Left Join Beginner ๐Ÿš€ Start Lab
70 Querying Country Codes Range Beginner ๐Ÿš€ Start Lab
71 Querying Official Languages and Sorting Beginner ๐Ÿš€ Start Lab
72 Querying Official Languages of Each Country Beginner ๐Ÿš€ Start Lab
73 Reverse Print File Content Command Beginner ๐Ÿš€ Start Lab
74 Right Outer Join Query User Level Beginner ๐Ÿš€ Start Lab
75 Salary Range for Teachers by Department. Beginner ๐Ÿš€ Start Lab
76 Search for Favorite Courses Beginner ๐Ÿš€ Start Lab
77 Stored Procedure Cursor Database Retrieval Beginner ๐Ÿš€ Start Lab
78 Student Grade Management System Beginner ๐Ÿš€ Start Lab
79 Creating Database Views in MySQL Beginner ๐Ÿš€ Start Lab
80 Mastering SQL Subqueries for Data Analysis Beginner ๐Ÿš€ Start Lab
81 Top 5 Countries by Land Area Beginner ๐Ÿš€ Start Lab
82 Updating Student GPA in MySQL Database Beginner ๐Ÿš€ Start Lab
83 Creating and Updating Database Views Beginner ๐Ÿš€ Start Lab
84 View for Course Information Beginner ๐Ÿš€ Start Lab
85 Exploring MySQL User Permissions Beginner ๐Ÿš€ Start Lab
86 Wuxu Reform Duration Calculation Beginner ๐Ÿš€ Start Lab
87 COVID-19 Data Analysis with Python Beginner ๐Ÿš€ Start Lab

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Build real Data Science projects with 87 beginner-friendly challenges. Learn by doing with guided coding exercises and practical applications.

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