Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Programming Principles, Performance Tuning
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft SQL Servers, SQL, Transact-SQL, Databases, Relational Databases, Data Transformation, Data Manipulation, Query Languages, Generative AI, Data Analysis
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation, Business Intelligence, Data Cleansing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Data Visualization, Interactive Data Visualization, Dashboard, Data Visualization Software, Tableau Software, Data Analysis, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization Software, Data Modeling, Dashboard, Interactive Data Visualization, Data Presentation, Data Processing, Data Storytelling, Data Transformation, Data Preprocessing, Data Integration, Data Cleansing, Data Import/Export, Data Analysis, Data Quality, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, Command-Line Interface, Data Transformation, Data Processing, Data Pipelines, Google Cloud Platform, Data Integration, Data Management, Database Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Excel Formulas, Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Analysis, Data Presentation, Business Metrics, Data Cleansing, Data Manipulation
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Visualization, Data Literacy, Infographics, Data Collection, Data Quality, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Analytics, Data Analysis, Communication, Digital Marketing, Health Care
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Business Intelligence, Data Presentation, Business Analysis, Data Analysis, Query Languages, Databases
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard, Data Visualization Software, ChatGPT, Analytics, Data-Driven Decision-Making, Interactive Data Visualization, Data Analysis, Matplotlib, Pandas (Python Package), Python Programming, Generative AI
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Internet Of Things, TCP/IP, Network Protocols, Telecommunications, General Networking, PIC Microcontrollers, Communication Systems, Wireless Networks, Cloud Services, Electrical Wiring, Cloud Storage, Microarchitecture, Field-Programmable Gate Array (FPGA), Restful API, Cloud Solutions, Electrical Equipment, Basic Electrical Systems, Power Electronics, Electrical Power, Electric Power Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Interactive Data Visualization, Data Presentation, Tableau Software, Data Visualization Software, Data Analysis Software, Digital Publishing, Key Performance Indicators (KPIs), Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours