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.

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Database Systems, Database Theory, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Database Development, Business Intelligence, Database Application, Database Management Systems, Big Data, Information Systems, Database Design, MongoDB, Scalability, Database Software
★ 4.3 (702) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Visualization, Interactive Data Visualization, Debugging, AI Workflows, Model Optimization, Business Logic, Performance Tuning, Text Mining, AI Integrations, Complex Problem Solving, Context Management, Data Modeling, Dependency Analysis, Data Analysis, Analytical Skills, Business Analysis, Business Metrics, Business Operations
Advanced · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Statistical Hypothesis Testing, Probability & Statistics, Statistical Methods, Statistics, Statistical Analysis, Quantitative Research, Data Analysis Software
★ 4.6 (4.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Exploratory Data Analysis, Autoencoders, Feature Engineering, Dimensionality Reduction, Supervised Learning, Generative AI, Classification Algorithms, Regression Analysis, Time Series Analysis and Forecasting, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Reinforcement Learning, Generative Adversarial Networks (GANs), Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Data Science, Machine Learning, Python Programming
★ 4.6 (3.7K) · Intermediate · Professional Certificate · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Requirements Elicitation, Ad Hoc Reporting, Data Presentation, Data Governance, Data Ethics, Tableau Software, Business Analysis, Data Literacy, Data Visualization, Data Preprocessing, Data Visualization Software, Data Warehousing, Business Metrics, Dashboard, Data Analysis, Spatial Data Analysis, Interactive Data Visualization, Data Management
★ 4.7 (1.2K) · Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Science, Molecular Biology, Science and Research, Data Processing, Data Analysis, Computer Science, Correlation Analysis, Biotechnology, Statistical Analysis, Computational Thinking, Life Sciences, Probability & Statistics, Statistics, Software Engineering, Algorithms, Biology
★ 4.6 (4.9K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Multimodal Prompts, Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, AI literacy, Context Engineering
★ 4.8 (4.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), MLOps (Machine Learning Operations), Artificial Intelligence, Cloud Management, Generative AI, AI Orchestration, Cloud Deployment, Infrastructure Architecture, Cloud Infrastructure, Cloud Computing, AI Workflows, Devops Tools, Data Infrastructure, AI literacy, Deep Learning, Information Technology Operations, Machine Learning, Network Infrastructure, Data Centers
★ 4.6 (507) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Financial Forecasting, Model Evaluation, Forecasting, Regression Analysis, Feature Engineering, Data Preprocessing, Advanced Analytics, Statistical Analysis, Predictive Modeling, Predictive Analytics, Correlation Analysis, Analytics, Analysis, Data Modeling, Finance, Business, Performance Analysis, Decision Making
★ 4.7 (65) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Data Ethics, Risking, Business Ethics, Artificial Intelligence, Ethical Standards And Conduct, AI literacy, Decision Making, Accountability Frameworks, Diversity Awareness, Law, Regulation, and Compliance, Governance, Regulatory Requirements, Safety Assurance, Data Modeling, Dimensionality Reduction, Design, Power BI, SQL, Apache
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Prompt Engineering, Prompt Patterns, Large Language Modeling, AI literacy, LLM Application, Content Creation
★ 4.8 (2.6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Marketing Analytics, Marketing Budgets, Business Reporting, Performance Reporting, Business Intelligence, Data Wrangling, Trend Analysis, Dashboard Creation, Data Manipulation, Data Analysis, Data Presentation, Performance Analysis, Descriptive Analytics, Data Visualization, Timelines
Intermediate · Course · 1 - 4 Weeks