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.

Stanford University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Bioinformatics, Theoretical Computer Science, Social Network Analysis, Network Analysis, Computational Thinking, Analysis, Probability & Statistics, Network Routing, Probability, Pseudocode, Computational Logic, Operations Research
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Sharing, Customer Data Management, Data Integration, Big Data, Data Access, Business Intelligence, Google Cloud Platform, Data Visualization, Data Management, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Interactive Data Visualization, Data Visualization, Infographics, Data Visualization Software, Business Reporting, Data Ethics, Storytelling, Data-Driven Decision-Making, Generative AI, Responsible AI, Data Analysis, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Natural Language Processing, Data Storytelling, Technical Communication, Data Visualization, Data-Driven Decision-Making, Interactive Data Visualization, Generative AI, Data Visualization Software, Data Analysis, Strategic Communication, Communication, Big Data, Responsible AI, Artificial Intelligence, Presentations, Advanced Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Sales Strategy, Customer Analysis, Sales Pipelines, Data Cleansing, Sales Management, Sales, Customer Relationship Management (CRM) Software, Customer Insights, Data Quality, Customer Data Management, AI Personalization, Analytics, Personalized Service, Data Management, Predictive Analytics, Data-Driven Decision-Making, Data Integration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, NumPy, Probability & Statistics, Dashboard, Statistics, Pandas (Python Package), Data Analysis, Statistical Analysis, Regression Analysis, Data Manipulation, Python Programming, Analytics, Statistical Methods, Applied Machine Learning, Probability, Data Science, Statistical Modeling, Machine Learning, Interactive Data Visualization, Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Queen Mary University of London
Skills you'll gain: Analytics, Data Analysis, Statistical Analysis, Correlation Analysis, Quantitative Research, Regression Analysis, Marketing Analytics, Data Quality, Statistical Methods, Data Cleansing, Digital Marketing, Exploratory Data Analysis, Market Research, Return On Investment
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Histogram, Generative AI, Data Literacy, Data Visualization, Data Presentation, Statistical Hypothesis Testing, Scientific Methods, Descriptive Statistics, Data Storytelling, Statistics, Data Analysis, Data Ethics, Experimentation, Data Science, Data-Driven Decision-Making, Research Design, Responsible AI, Statistical Visualization, Research, Artificial Intelligence
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Computer Programming, Program Development, Communication
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Responsible AI, Financial Data, Complex Problem Solving, AI Product Strategy, Microsoft Copilot, ChatGPT, Data-Driven Decision-Making, Data Analysis, Financial Modeling, Financial Analysis, Ethical Standards And Conduct, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Linear Algebra, Dimensionality Reduction, NumPy, Regression Analysis, Calculus, Applied Mathematics, Probability & Statistics, Machine Learning Algorithms, Jupyter, Data Science, Advanced Mathematics, Statistics, Statistical Analysis, Artificial Neural Networks, Algorithms, Data Manipulation, Python Programming, Machine Learning, Derivatives
Beginner · Specialization · 3 - 6 Months

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