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.

SkillUp
Skills you'll gain: Tableau Software, Peer Review, Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Presentations, Data Cleansing, Business Intelligence, Data Visualization Software, Data Visualization, Interactive Data Visualization, Business Intelligence Software, Data Quality, Data Preprocessing, Data Analysis, Key Performance Indicators (KPIs)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard Creation, Dashboard, Business Analytics, Business Intelligence, Data Integration, Extract, Transform, Load, Performance Analysis, Business Intelligence Software, Data Transformation, SQL, Dependency Analysis, Model Optimization, Data Integrity, Automation, Data Management, Version Control
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Mining, Health Informatics, Acute Care, Hospital Medicine, Emerging Technologies, Health Technology, Analytics, Data Preprocessing, AI Integrations, Clinical Informatics, Machine Learning, Advanced Analytics, Machine Learning Algorithms, Health Care, Applied Machine Learning, Data Analysis, Correlation Analysis, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Process Improvement
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Predictive Modeling, Machine Learning Algorithms, Predictive Analytics, Data Cleansing, Unsupervised Learning, Data Transformation, Data Analysis, Statistical Machine Learning, Analytics, Data Science, Data Mining, R (Software), Classification Algorithms, Applied Machine Learning, Supervised Learning, Decision Tree Learning, Data Preprocessing, Machine Learning, Artificial Neural Networks
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Prompt Engineering, Generative AI, Code Review, AI Workflows, AI literacy, Debugging, Responsible AI, Machine Learning Methods, Maintainability, Data Cleansing, Software Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Deep Learning, Tensorflow, Keras (Neural Network Library), Matplotlib, NumPy, Applied Machine Learning, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Pandas (Python Package), Machine Learning Methods, Data Science, Artificial Intelligence, Model Optimization, Data Preprocessing, Model Training, Machine Learning, Network Model, Data Manipulation, Model Evaluation
Beginner · Course · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Google Gemini, Campaign Management, Google Ads, Digital Marketing Tools, Prompt Engineering Tools, Market Research, Google Workspace, Marketing Operations, Report Writing, Google Docs, Digital Marketing Campaigns, Digital Marketing, Content Creation, Target Audience, Content Optimization, Marketing Planning, Generative AI, Search Engine Optimization, Web Analytics and SEO
Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Plotly, Data Visualization Software, Web Scraping, Data Visualization, Exploratory Data Analysis, Data Wrangling, SQL, Plot (Graphics), IBM Cognos Analytics, Data Analysis, Professional Networking, Analytics, Excel Formulas, Data Import/Export, Python Programming, Microsoft Excel
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Dashboard, Data Warehousing, Extract, Transform, Load, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Migration, Data Governance, Data Presentation, Descriptive Statistics, Data Store, Data Management, MySQL, Databases, Data Architecture, Excel Formulas, Business Intelligence
Beginner · Professional Certificate · 3 - 6 Months

University of California San Diego
Skills you'll gain: Apache Spark, Model Evaluation, Apache Hadoop, Data Integration, Exploratory Data Analysis, Big Data, Classification Algorithms, Graph Theory, Data Pipelines, Network Model, Model Training, Database Design, Data Modeling, Regression Analysis, Data Mining, Data Management, Data Infrastructure, Data Presentation, Data Processing, MongoDB
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Design, SQL, IBM DB2, Database Management, Data Store, Data Architecture, Relational Databases, Database Systems, Apache Hadoop, Databases, Big Data, Unit Testing, Database Development, Data Storage, Operational Databases, Data Import/Export, Python Programming, NumPy
Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Dashboard Creation, Dashboard, Web Scraping, Pseudocode, Jupyter, Algorithms, Data Literacy, Data Mining, Data Analysis, R (Software), Correlation Analysis, Pandas (Python Package), NumPy, Data Import/Export, Predictive Modeling, Python Programming, Machine Learning Algorithms, Data Science, Machine Learning, Project Management
Beginner · Specialization · 3 - 6 Months