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.

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Capture, Data Analysis, Python Programming, NumPy, Data Preprocessing, Data Visualization, UI Components, User Interface (UI) Design, Programming Principles
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Store, Data Storage, Data Storage Technologies, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Performance Tuning
★ 4.6 (84) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Model Evaluation, Model Deployment, Supervised Learning, Feature Engineering, Predictive Modeling, Data Processing, Data Manipulation, Predictive Analytics, MLOps (Machine Learning Operations), Statistical Machine Learning, Web Frameworks, Classification Algorithms, Machine Learning Methods, Model Training, Data Visualization, Statistical Modeling, Interactive Data Visualization, Design Thinking, Machine Learning, Python Programming
★ 4.3 (300) · Intermediate · Specialization · 3 - 6 Months

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Statistics, Sampling (Statistics), R (Software), Data Science, R Programming, Statistical Methods, General Science and Research, Data Structures, Data Analysis, Statistical Programming, Responsible AI, Information Privacy, Informed Consent, Social Impact, Ethical Standards And Conduct, Algorithms, Big Data
★ 4.7 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Data Manipulation, Analysis
★ 4.5 (388) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Governance, Data Loss Prevention, Gmail, Google Workspace, Information Management, Data Management, Data Security, Document Management, Records Management, Data Storage, Data Import/Export, Email Security, System Configuration
★ 4.8 (671) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: SQL, Database Management, Database Development, Database Design, Relational Databases, Database Management Systems, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Statistical Analysis, Data Analysis Software, Statistical Software, Statistical Programming, STATA (Software), R (Software), Data Integration, Data Ethics, Stata, R Programming, Sampling (Statistics), Statistical Modeling, Descriptive Statistics, Regression Analysis, Logistic Regression, Informed Consent
★ 4.2 (70) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Interactive Data Visualization, Plot (Graphics), Data Visualization Software, Ggplot2, Exploratory Data Analysis, Data Analysis, Python Programming, Data Science, Machine Learning
★ 4.7 (269) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Python Programming
★ 4.6 (182) · Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: PySpark, Model Optimization, Data Pipelines, Dashboard Creation, Dashboard, Interactive Data Visualization, Model Training, Data Processing, Data Storage Technologies, Data Architecture, Natural Language Processing, Data Storage, Data Wrangling, Data Integration, Data Transformation, Machine Learning, Data Preprocessing, Deep Learning, Logistic Regression
★ 2.7 (11) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Business Intelligence Software, Business Intelligence, Power BI, Financial Reporting, Business Reporting, Data Presentation, Data Visualization Software, Microsoft Excel, Interactive Data Visualization, Data Cleansing, Data Import/Export, Data Sharing, Data Validation, Data Quality
Intermediate · Course · 1 - 4 Weeks