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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Supply Chain, Demand Planning, Supply Chain Management, Supply Chain Planning, Process Improvement, Process Improvement and Optimization, Supply Management, Performance Improvement, Customer Demand Planning, Logistics Management, Resource Planning, Production Planning, Sustainable Business, Logistics, Analytics, Profit and Loss (P&L) Management, Data Analysis, Risk Management, Data Visualization, Problem Solving
★ 4.8 (587) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Data Science, Predictive Analytics
★ 4.7 (862) · Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, ChatGPT, Responsible AI, OpenAI, AI literacy, Social Impact, Data Ethics, Artificial Intelligence, Organizational Effectiveness, LLM Application, Large Language Modeling, Operational Efficiency, Human Centered Design, Ethical Standards And Conduct, Natural Language Processing, Strategic Thinking, Problem Solving, Critical Thinking
★ 4.4 (476) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Entry, Data Manipulation, Expense Management, Budgeting, Inventory Management System, Data Management, Data Visualization, Data Analysis, Business Analysis
★ 4.9 (545) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Predictive Modeling, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, AI literacy, Large Language Modeling, Natural Language Processing, Model Training, Machine Learning, Model Evaluation, Decision Intelligence, Hugging Face, Machine Learning Methods, Generative AI, LLM Application, Bayesian Network, Human Centered Design, Python Programming
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Biochemistry, Molecular Biology, Molecular, Cellular, and Microbiology, Cell Biology, Physiology, Chemistry, Life Sciences, Biotechnology, Biology, Bioinformatics, Endocrinology, Nutrition and Diet, Diagnostic Tests
Beginner · Course · 3 - 6 Months
University of London
Skills you'll gain: Descriptive Statistics, Statistics, Probability & Statistics, Exploratory Data Analysis, Statistical Methods, Statistical Hypothesis Testing, Data Visualization, Decision Intelligence, Operations Research, Data-Driven Decision-Making, Statistical Modeling, Data Analysis, Probability, Probability Distribution, Statistical Analysis, Sampling (Statistics), Statistical Inference, Mathematical Modeling
★ 4.6 (1.5K) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Probability & Statistics, Probability Distribution, Diagnostic Tests, Bayesian Statistics, Combinatorics, Statistical Methods, Applied Mathematics, Data Literacy, Statistical Inference, Business Mathematics, Logical Reasoning, Correlation Analysis, Fraud detection
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Retrieval-Augmented Generation, Agentic systems, Agentic Workflows, Generative AI Agents, AI Workflows, Prompt Engineering, ChatGPT, Artificial Intelligence, LLM Application, Prompt Patterns, OpenAI, Generative AI, Context Engineering, Large Language Modeling, AI literacy, Tool Calling, Multimodal Prompts, Strategic Planning, Emerging Technologies, Responsible AI
★ 4.7 (1.6K) · Beginner · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Productivity Software, Data Analysis Software, Business Analytics, Analytical Skills
★ 4.9 (51K) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Retrieval-Augmented Generation, Generative AI Agents, Agentic systems, Agentic Workflows, Artificial Intelligence, OpenAI, Prompt Engineering, AI literacy, ChatGPT, LLM Application, Prompt Patterns, Context Engineering, Decision Intelligence, Tool Calling, Interaction Design, Multimodal Prompts, Large Language Modeling
Beginner · Course · 1 - 4 Weeks