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: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Generative Model Architectures, Exploratory Data Analysis, Generative Adversarial Networks (GANs), Data Ethics, Feature Engineering, AI literacy, Predictive Modeling, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Data Synthesis, Data Analysis, Data Visualization Software, Augmented and Virtual Reality (AR/VR), Autoencoders, Machine Learning
★ 4.7 (12K) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Analytical Skills, Data Preprocessing, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
★ 4.4 (33) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
★ 4.3 (72) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Database Systems, Data Management, Data Transformation, Microsoft Azure, Database Management Systems, Data Integration, Data Governance, Data Storage Technologies, Analytics, Data Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Matplotlib, Data Processing, Plot (Graphics), Data Storytelling, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Data Structures, Heat Maps, Data Wrangling, Data Manipulation, Pandas (Python Package), NumPy, Data Transformation, Numerical Analysis, Data Preprocessing, Exploratory Data Analysis, Data Cleansing, Data Mapping
Intermediate · Specialization · 1 - 3 Months
University of Leeds
Skills you'll gain: Data Presentation, Data Storytelling, Technical Communication, Scientific Visualization, Technical Writing, Communication, Writing, Generative AI, Responsible AI, Graphic and Visual Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: People Analytics, Report Writing, Statistical Reporting, Data Literacy, Business Reporting, Management Reporting, Data Presentation, Excel Formulas, Data Storytelling, Data Analysis, Business Writing, Microsoft Excel, Analytics, Statistical Methods, Plot (Graphics), Technical Communication, Statistical Hypothesis Testing, Executive Presence, Stakeholder Communications, Persuasive Communication
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data-Driven Decision-Making, Data Presentation, Data Storytelling, Data Literacy, Data Analysis, Data Ethics, Exploratory Data Analysis, Analytical Skills, Descriptive Analytics
★ 4.3 (18) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Storyboarding, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Statistical Reporting, Data Wrangling, Dashboard, Data Synthesis, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Data Import/Export, Rmarkdown, Graphing
★ 5 (37) · Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Database Design, Business Intelligence, Decision Support Systems, Data Warehousing, Database Development, Relational Databases, Data Visualization, Data Modeling, Business Intelligence Software, Database Software, Database Management Systems, Database Management, SQL, Star Schema, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Governance, Data Integration, Dashboard Creation
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Mapping, Microsoft Azure, Data Transformation, Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Data Integration, Data Storage, Cloud Storage
★ 4.8 (8) · Beginner · Guided Project · Less Than 2 Hours