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.

Coursera
Skills you'll gain: Responsible AI, AI Security, Threat Modeling, MLOps (Machine Learning Operations), Budget Management, Secure Coding, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Google Analytics, Web Analytics, Data Import/Export, Customer Analysis, Marketing Analytics, Customer Insights, Conversion Funnel Analysis, Analysis, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Database Development, Dashboard, Database Design, Database Software, Relational Databases, Databases, Database Management, Data Visualization, Workflow Management, Consolidation, Productivity Software, Data Management, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Tensorflow, Keras (Neural Network Library), Model Training, Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
Intermediate · Guided Project · Less Than 2 Hours

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
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Governance, Marketing Analytics, Data Presentation, Data Visualization, Business Workflow Analysis, Business Analytics, Data-Driven Marketing, Accounting, Data Management, Storytelling, Data Collection, Data Quality, Data Visualization Software, Classification Algorithms, Business Analysis, Analytics, Data Analysis, Power BI, Machine Learning
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Cleansing, Graphing, Exploratory Data Analysis, Data Manipulation, Data Processing, Jupyter, Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, Query Languages, Database Management, Database Design, Data Processing, Performance Tuning, Data Storage Technologies, Database Theory, Database Systems, Data Storage, Metadata Management, Database Management Systems, Database Software, Data Access, Databases, Data Warehousing, Data Management, Data Analysis
Beginner · Course · 1 - 3 Months

The Expert Academy
Skills you'll gain: Service Recovery, Account Management, Account Strategy, Customer experience strategy (CX), Customer experience improvement, Rapport Building, Journey Mapping, Sales Strategy, Loyalty Programs, Customer Relationship Building, Customer Insights, Customer Retention, Emotional Intelligence, Relationship Management, Customer Service, Customer Success Management, Communication Strategies, Stakeholder Management, Data Analysis, Strategic Planning
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Building Information Modeling, Data Modeling, 3D Modeling, Computer-Aided Design, Engineering Practices, Construction Management, Civil Engineering, Mechanical Engineering, Information Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer Data Management, Email Marketing, Business Software, Customer Communications Management, Sales Pipelines, Dashboard, Account Management, Data Management, Customer Service, Marketing, Sales Operations, Team Building
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: PostgreSQL, SQL, Database Management, Transaction Processing, Data Maintenance, Stored Procedure, Performance Tuning, Databases, Database Architecture and Administration, Query Languages, Data Migration, Data Management, Relational Databases, JSON, Database Management Systems, Database Design, Data Persistence, Data Integrity, Disaster Recovery, Operating System Administration
Intermediate · Specialization · 3 - 6 Months