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.

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Interactive Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Preprocessing, Data Science, Data Cleansing, Matplotlib, NumPy, JSON, Python Programming, File I/O
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power BI, Data Transformation, Data Lakes, Data Warehousing, Real Time Data, Extract, Transform, Load, Data Architecture, Data-Driven Decision-Making, Dashboard, Data Pipelines, Dashboard Creation, Data Modeling, Business Reporting, Data Presentation, Transact-SQL, Business Intelligence, Data Analysis, Microsoft 365, Python Programming, Machine Learning
Intermediate · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Data Ethics, Financial Data, Investments, Data Collection, Due Diligence, Financial Services, Big Data, Analytics, Investment Management, Data-Driven Decision-Making, Financial Market, Business Ethics, Data Quality, Corporate Sustainability, Financial Industry Regulatory Authorities, Sustainable Business, Portfolio Management, Accountability
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Tableau Software, Dashboard Creation, Data Visualization, Business Analytics, Interactive Data Visualization, Statistical Visualization, Process Improvement, Business Process, Business Process Improvement, Presentations, Data Visualization Software, Oral Expression, Data Analysis, Graphing, Analysis, Visualization (Computer Graphics), Stakeholder Communications
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Generative Model Architectures, Generative Adversarial Networks (GANs), Natural Language Processing, Data Quality, Anomaly Detection, AI literacy, Data Storytelling, Responsible AI, Data Visualization, Data Ethics, Data-Driven Decision-Making, Data Presentation, Data Pipelines, Data Cleansing, Data Visualization Software, Data Preprocessing, Data Science, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Responsible AI, AI literacy, Data Ethics, Data Quality, AI Integrations, Applied Machine Learning, Data Synthesis, Analysis, Machine Learning
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Histogram, Data Literacy, Data Presentation, Data Collection, Descriptive Statistics, Statistics, Data Analysis, Statistical Visualization, Plot (Graphics), Probability & Statistics, Statistical Reporting, Sampling (Statistics), Research, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Visualization, Data Literacy, Data Presentation, Data Storytelling, Data Analysis, Data Cleansing, Data Preprocessing, Data Wrangling, Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Data Visualization, Data Persistence, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Data Store, Cloud Services, Data Infrastructure, Analysis, Analytics, Data Storage, Data Analysis Software, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Data Visualization, Plot (Graphics), Data Literacy, Statistics, Matplotlib, Statistical Visualization, Statistical Programming, Seaborn, Probability & Statistics, Jupyter, Statistical Methods, Data Visualization Software, Data Analysis, Statistical Analysis, Exploratory Data Analysis, Descriptive Statistics, Statistical Inference, Data Collection, Python Programming
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Apache Spark, Classification Algorithms, Big Data, Model Training, Regression Analysis, Data Mining, Applied Machine Learning, Data Preprocessing, Machine Learning Methods, Statistical Analysis, Machine Learning Software, Machine Learning, Data Analysis, Unsupervised Learning, Machine Learning Algorithms, Data Wrangling, Descriptive Statistics, Data Transformation
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Multimodal Prompts, Embeddings, Large Language Modeling, Generative AI, Data Processing, Data Pipelines, Image Analysis, Prompt Engineering, Unstructured Data, Natural Language Processing, Text Mining, Computer Vision, Vector Databases, Data Capture, Sampling (Statistics)
Intermediate · Project · Less Than 2 Hours