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.

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Data Presentation, Data Cleansing, Data Collection, Data Visualization Software, Data Manipulation, Data Access, Data Wrangling, Python Programming, Web Analytics and SEO, Algorithms, Data Analysis, Web Scraping, Scripting
★ 4.7 (14K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), PyTorch (Machine Learning Library), Dashboard, Dashboard Creation, Python Programming, Interactive Data Visualization, Data Visualization, Data Visualization Software, Pandas (Python Package), Image Analysis, Applied Machine Learning, AI Workflows, Machine Learning Methods, Data Science, Computer Programming, Web Frameworks, Application Development, UI Components, Web Development Tools, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Python Programming, Computer Programming, Computational Thinking, Data Processing, Data Analysis Expressions (DAX), Data Analysis
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Sample Size Determination, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Statistical Hypothesis Testing, Statistics, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Descriptive Statistics, Probability & Statistics, Data Analysis, Forecasting, Regression Analysis, Data Literacy, Statistical Modeling, Statistical Visualization, Data Presentation
★ 4.7 (117) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: NumPy, Data Transformation, Data Manipulation, Data Cleansing, Jupyter, Data Processing, Data Analysis, Data Science, Data Import/Export, Python Programming, Data Management, Virtual Machines, Virtualization and Virtual Machines, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Dashboard Creation, Employee Retention, Report Writing, Employee Engagement, Employee Surveys, Data Storytelling, People Analytics, HR Tech, Root Cause Analysis, Data Import/Export, Human Resources Software, Decision Making, Data Cleansing, Human Resource Management, Data Visualization, Talent Management, Microsoft Excel, Statistical Analysis, Surveys
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Extract, Transform, Load, Data Pipelines, Data Transformation, Model Evaluation, Pandas (Python Package), Data Storytelling, Data Presentation, Data Preprocessing, Data Processing, PySpark, Data Quality, Apache Spark, Data-Driven Decision-Making, A/B Testing, Data Analysis, Model Training, Data Visualization, Data Governance, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Excel Formulas, Data Validation, Spreadsheet Software, Data Manipulation, Data Analysis, Statistical Analysis, Data Visualization Software, Descriptive Statistics, Interactive Data Visualization, Data Processing, Data Integrity
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Interactive Data Visualization, Statistical Visualization, Tableau Software, Dashboard Creation, Data Storytelling, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 4.1 (36) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Data Import/Export, Dashboard, Data Modeling, Spreadsheet Software, Dashboard Creation, Statistical Methods, Business Analytics, Business Intelligence, Statistical Analysis, Data Analysis, Interactive Data Visualization, Data Processing, Data Manipulation, Data-Driven Decision-Making, Data Preprocessing, Case Studies
Mixed · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Data Visualization, Data Analysis, Interactive Data Visualization, Data Presentation, Exploratory Data Analysis, Data Storytelling, Data Visualization Software, Dashboard, Data Cleansing, Microsoft Excel, AI Workflows, Microsoft PowerPoint, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Excel Formulas, Data Architecture, Excel Macros, Generative AI, Microsoft Windows
Beginner · Course · 1 - 3 Months