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.

Skills you'll gain: Data Engineering, Data Manipulation, Data Access, Data Warehousing, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Databases, Stored Procedure, Cloud Services, Database Management, LLM Application, Application Frameworks, Generative AI, Applied Machine Learning, Data Science, Machine Learning
★ 4.8 (224) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Dashboard Creation, Dashboard, Tableau Software, Peer Review, Data Visualization, Data Storytelling, Interactive Data Visualization, Data Presentation, Data Visualization Software, Exploratory Data Analysis, Proposal Development, Data Analysis, Data Wrangling, Data Access, Data Quality, Data Import/Export
★ 4.6 (588) · Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data Literacy, Data-Driven Decision-Making, Case Studies, Strategic Decision-Making, Data Strategy, Leadership Studies, Decision Making, Data Quality, Business Leadership, Crisis Management, Critical Thinking, Leadership, Organizational Effectiveness, Digital Analysis, Business Transformation, Storytelling, Leadership Development, Agile Methodology, Strategic Leadership, Leadership and Management
★ 4.7 (152) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Generative Model Architectures, Database Design, Data Pipelines, Query Languages, Extract, Transform, Load, Responsible AI, AI literacy, Data Warehousing, Data Ethics, Data Infrastructure, Data Architecture, Data Mining, Data Synthesis, Artificial Intelligence and Machine Learning (AI/ML), Augmented and Virtual Reality (AR/VR), Data Analysis
★ 4.7 (12K) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Dashboard Creation, Data Visualization, Interactive Data Visualization, Data Transformation, Data Presentation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Data Analysis
★ 3.8 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Power BI, Data Wrangling, Data Manipulation, Database Design, Data Transformation, Dashboard, Data Integration, Star Schema, Relational Databases, Data Cleansing, Data Processing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Quality, Data Presentation, Data Management, Technical Communication, Data Analysis, Statistical Methods, Analytical Skills, Data-Driven Decision-Making, Data Science, Statistical Machine Learning, Statistical Inference, Statistics, A/B Testing, Statistical Modeling
★ 4.5 (2.4K) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Data-Driven Decision-Making, Looker (Software), Dashboard, Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Spreadsheet Software, Dashboard Creation, SQL, Big Data, Business Intelligence, Data Pipelines, Data Analysis, Data Transformation, Google Workspace, Extract, Transform, Load, Data Warehousing, Data Management
★ 4.3 (126) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Web Scraping, Pivot Tables And Charts, Pandas (Python Package), Data Integration, Statistical Visualization, Data Manipulation, Exploratory Data Analysis, Data Wrangling, Data Visualization, Data-Driven Decision-Making, Data Transformation, Data Presentation, Data Processing, Data Cleansing, Data Preprocessing, Statistical Analysis, Seaborn, NumPy, Python Programming
★ 4.5 (40) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Seaborn, Data Visualization, Dashboard Creation, Data Presentation, Matplotlib, Interactive Data Visualization, Dashboard, Statistical Visualization, Time Series Analysis and Forecasting, Microsoft Excel, Generative AI, Tableau Software, Data-Driven Decision-Making, Business Intelligence, Data Analysis, Business Analytics, Power BI, Google Sheets, Python Programming
★ 4.6 (683) · Intermediate · Specialization · 1 - 3 Months

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Data Visualization, Plot (Graphics), Supervised Learning, Dimensionality Reduction, Data Presentation, Data Integration, Scientific Visualization, Statistical Visualization, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Model Training, Technical Communication, Data Analysis, Machine Learning Methods
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Graph Theory, Communication
★ 4.6 (803) · Intermediate · Course · 1 - 4 Weeks