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.

Nikolai Schuler
Skills you'll gain: Data Storytelling, Power BI, Interactive Data Visualization, Data Visualization, Advanced Analytics, Data Modeling, Data Transformation, Dashboard Creation, Data Visualization Software, Data Analysis, Data Cleansing, Performance Tuning
★ 4.4 (25) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Access, Data Analysis
★ 3.3 (6) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Overcoming Objections, Phone Sales, Telephone Skills, Closing (Sales), Return On Investment, B2B Sales, Price Negotiation, Prompt Engineering, Customer Service, Data Storytelling, Real Time Data, Data-Driven Decision-Making, Persona (User Experience), Analysis, Data Visualization, Storytelling, Performance Metric, Business Metrics, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, User Interface (UI) Design, Algorithms, Software Engineering, Geospatial Mapping, Programming Principles, Software Documentation
★ 4.7 (5.8K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Matplotlib, NumPy, Embeddings, Statistical Visualization, Machine Learning Algorithms, Natural Language Processing, Applied Machine Learning, Data Manipulation, Pivot Tables And Charts, Model Optimization, Machine Learning Methods, Linear Algebra, Deep Learning, Text Mining, Classification Algorithms, Markov Model, Unsupervised Learning, Data Preprocessing, Python Programming
★ 4.8 (11) · Beginner · Specialization · 3 - 6 Months

ESSEC Business School
Skills you'll gain: Data-Driven Marketing, Marketing Analytics, Business Analytics, Statistical Programming, Forecasting, Peer Review, Statistical Methods, Data Presentation, Predictive Analytics, Customer Analysis, Case Studies, R (Software), Information Technology, Analytical Skills, Digital Transformation, Advanced Analytics, Marketing Strategies, Complex Problem Solving, Data Synthesis, R Programming
★ 4.4 (1.3K) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Unit Testing, Test Driven Development (TDD), Test Script Development, Programming Principles, Software Testing, Data Structures, Python Programming, Program Development, Computer Programming, Development Environment, Debugging, Django (Web Framework), Functional Design, Package and Software Management, Cloud Hosting
★ 4.6 (1.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, Exploratory Data Analysis, Feature Engineering, Model Deployment, Data Analysis, PySpark, Model Training, Data Cleansing, Data Import/Export, Data Transformation, Apache Spark, Data-Driven Decision-Making, AI Enablement, Decision Tree Learning, Predictive Modeling, Predictive Analytics, Machine Learning
★ 4.7 (26) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Google Workspace, Collaborative Software, Data Sharing, Data Presentation, Data Visualization, Data Visualization Software, Data Analysis, Data Management
★ 4.6 (1.4K) · Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Positivity, Optimism, Personal Development, Personal Attributes, Positive Behavior Support, Psychology, Working With Children, Education and Training, Research, Visionary, Human Development, Community Development, Constructive Feedback, Experimentation
★ 4.9 (6.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Stakeholder Engagement, Stakeholder Analysis, Stakeholder Management, People Analytics, Consultative Approaches, Constructive Feedback, Stakeholder Communications, Data Presentation, Overcoming Objections, Timelines, Project Planning, Organizational Change, Human Resource Strategy, Consulting, Matrix Management, Human Resources, Strategic Communication, Executive Presence, Change Management
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Azure Active Directory, MITRE ATT&CK Framework, Intrusion Detection and Prevention, Threat Modeling, Vulnerability Management, Zero Trust Network Access, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Security Information and Event Management (SIEM), Record Keeping, Authentications, Encryption, Penetration Testing, Cyber Security Strategy, Regulatory Requirements, Cloud Computing, Active Directory, Operating Systems, Cybersecurity, Computer Security Incident Management
★ 4.7 (3K) · Beginner · Professional Certificate · 3 - 6 Months