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: Geospatial Information and Technology, Environmental Monitoring, Image Analysis, Spatial Analysis, Environmental Science, Data Validation, Data Preprocessing, Data Collection, Data Analysis, Analytical Skills, Network Monitoring, Data Integrity
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Generative AI, Business Metrics, Generative Model Architectures, Machine Learning Methods, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Machine Learning Algorithms, AI literacy, Model Evaluation, LLM Application, Artificial Intelligence, Key Performance Indicators (KPIs), Performance Measurement, Performance Metric, Business Solutions
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Generative Model Architectures, Machine Learning Methods, Google Gemini, ChatGPT, OpenAI, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Prompt Engineering, Applied Machine Learning, Machine Learning, Deep Learning, Machine Learning Algorithms, Computer Vision, Predictive Modeling, Supervised Learning, Text Mining
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Cleansing, Graphing, Exploratory Data Analysis, Data Manipulation, Data Processing, Jupyter, Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Universitat Politècnica de València
Skills you'll gain: Microsoft Excel, Data Analysis Expressions (DAX), Data Import/Export, Excel Formulas, Business Intelligence Software, Pivot Tables And Charts, Excel Macros, Business Intelligence, Dashboard, Dashboard Creation, Data Modeling, Extract, Transform, Load, Data Presentation, Data-Driven Decision-Making, Analytics, Data Analysis, Data Transformation, Data Cleansing, Data Preprocessing, Data Management
Advanced · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Containerization, Other Programming Languages, Go (Programming Language), Application Deployment, Docker (Software), Embedded Systems, C and C++, Cross Platform Development, Performance Tuning, Interoperability, Memory Management, Command-Line Interface, Cloud Computing, Software Engineering, Data Engineering
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, Server Side, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

West Virginia University
Skills you'll gain: Fraud detection, Auditing, Loss Prevention, Internal Controls, Financial Controls, Anomaly Detection, Financial Auditing, Cybersecurity, Financial Data, Investigation, Analytics, Specialized Accounting, Big Data, Accounting, Business Ethics, Data Mining, Accountability
Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Data Transformation, Data Wrangling, Business Analytics, Anomaly Detection, Data Processing, R (Software), Analytics, Data Cleansing, R Programming, Data Analysis, Project Management Life Cycle, Business Analysis, Statistical Programming, Data Science, Exploratory Data Analysis, Dimensionality Reduction, Big Data, Supervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Scikit Learn (Machine Learning Library), Predictive Modeling, Regression Analysis, Machine Learning Algorithms, Applied Machine Learning, Predictive Analytics, Python Programming, Classification Algorithms, Model Training, Machine Learning, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Natural Language Processing, grep, Text Mining, Clinical Informatics, Clinical Documentation, Clinical Data Management, R (Software), R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Demand Planning, Forecasting, Customer Demand Planning, Supply Chain Planning, Time Series Analysis and Forecasting, Supply Chain Management, Planning, Estimation, Trend Analysis, Decision Making, Performance Measurement, Performance Metric, Microsoft Excel
Beginner · Course · 1 - 4 Weeks