Mastering Data Exploration and Preprocessing with Python and SQL
- Skill level
- beginner
- Duration
- 20 hours
- Start date
- August 1, 2023

Who this course is for
This course is designed to provide you with a comprehensive understanding of how to effectively explore and preprocess data using Python and SQL. Through hands-on exercises and practical examples, you will learn various techniques to clean, transform, and analyze data, enabling you to derive valuable insights and make informed decisions.
What you will learn
- Gain a solid understanding of the Exploratory Data Analysis (EDA) process and its significance in data analysis.
- Learn how to load, manipulate, and clean data using Python libraries such as Pandas and NumPy.
- Explore data visually using Matplotlib and Seaborn to uncover patterns, trends, and outliers.
- Understand data preprocessing techniques like handling missing values, dealing with categorical data, and feature scaling.
- Apply advanced techniques like dimensionality reduction and feature engineering to enhance data quality and model performance.
Prerequisites
- Basic knowledge of Python programming language.
- Familiarity with fundamental concepts of data analysis and statistics.
- Understanding of SQL fundamentals would be beneficial but not mandatory.
Syllabus
Introduction to EDA and Data Preprocessing
- Importance of EDA in data analysis
- Overview of data preprocessing techniques
Data Loading and Cleaning with Python
- Introduction to Pandas and NumPy libraries
- Loading and inspecting data
- Handling missing values and outliers
- Data cleansing techniques
Exploratory Data Analysis (EDA)
- Data visualization using Matplotlib and Seaborn
- Descriptive statistics and summary metrics
- Identifying patterns and relationships in data
Preprocessing Categorical and Numerical Data
- Dealing with categorical data using encoding techniques
- Feature scaling and normalization
- Binning and discretization
Introduction to SQL
- Introduction to SQL and relational databases
- Executing SQL queries for data manipulation
