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: Customer Analysis, Unsupervised Learning, Customer Insights, Marketing Analytics, Applied Machine Learning, Data Analysis, Machine Learning Methods, Web Analytics, Data-Driven Marketing, Retail Store Operations, Machine Learning, Machine Learning Algorithms, Histogram, Decision Tree Learning, Data Preprocessing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Campaigns, AI Personalization, Social Media Marketing, Generative AI, AI powered creativity, Trend Analysis, Social Media Analytics, Social Media, Canva (Software), Content Performance Analysis, Social Media Management, Instagram, Social Media Content, Content Creation, Driving engagement, ChatGPT, Marketing Automation, Automation, Creativity, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Processing, Model Optimization, Recurrent Neural Networks (RNNs), Model Training, Data Transformation, Financial Forecasting, Feature Engineering, Model Evaluation, Statistical Visualization, Time Series Analysis and Forecasting, Exploratory Data Analysis, Deep Learning, Predictive Modeling, Forecasting, Predictive Analytics, Artificial Neural Networks
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Autoencoders, Model Deployment, Deep Learning, Model Optimization, PyTorch (Machine Learning Library), Model Evaluation, Artificial Neural Networks, Model Training, Convolutional Neural Networks, Performance Tuning, Artificial Intelligence, Scalability, Python Programming, Machine Learning, Memory Management, Image Quality, Performance Analysis
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Google Ads, Digital Advertising, Online Advertising, Advertising, Contextual Advertising, Pay Per Click Advertising, Advertising Campaigns, Paid media, Social Media, Search Engine Marketing, Performance marketing, Marketing, Keyword Research, Search Engine Optimization, Social Media Marketing, Digital Marketing, Social Media Strategy, Social Media Campaigns, Media Buying, Data Ethics
Beginner · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Plot (Graphics), Data Visualization, Scientific Visualization, Datamaps, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Python Programming, Exploratory Data Analysis, Data Import/Export, Data Analysis, Medical Science and Research, Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Pivot Tables And Charts, Dashboard Creation, Microsoft Excel, Dashboard, Excel Formulas, Depreciation, Spreadsheet Software, Regression Analysis, Data Management, Case Studies, Financial Analysis, Financial Modeling, Cash Flows, Finance, Data Validation, Data Analysis, Loans, Problem Solving, Model Optimization
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Agentic Workflows, Sales, Responsible AI, Sales Prospecting, Sales Operations, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Computer Vision, Model Evaluation, PyTorch (Machine Learning Library), Supervised Learning, Unsupervised Learning, Image Analysis, Applied Machine Learning, Data Preprocessing, Dimensionality Reduction, Machine Learning Methods, Reinforcement Learning, Feature Engineering, Machine Learning Algorithms, Convolutional Neural Networks, Regression Analysis, Data Processing, Model Training, Machine Learning, Deep Learning, Model Optimization
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Report Writing, Network Model, Applied Mathematics, Business Modeling, Industrial Engineering, Research Reports, Model Optimization, Linear Algebra, Numerical Analysis, Operations Management, Operational Analysis, Statistical Machine Learning, Case Studies, Process Optimization, Algorithms, Project Design, Machine Learning, Business Analytics
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Survey Creation, Quantitative Research, Statistical Analysis, Marketing Analytics, Market Research, Advanced Analytics, Statistical Methods, Data Analysis, Probability & Statistics, Marketing, Data-Driven Marketing, Business Research, Business Analytics, Statistical Modeling, Target Market, Market Analysis, Marketing Strategies, Regression Analysis
Intermediate · Course · 1 - 4 Weeks