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: Tableau Software, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Storytelling, Data Presentation, Dashboard Creation, Dashboard, Data Sharing, Data Analysis, Data Integration, Advanced Analytics, Model Optimization, Data Modeling
★ 4.6 (23) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Governance, Accounting, Data Management, Internal Controls, Internal Auditing, Control Objectives for Information and Related Technology (COBIT), Auditing, General Accounting, Financial Auditing, Fraud detection, Data Quality, Data Integrity, Exploratory Data Analysis, Data Manipulation, Pandas (Python Package), Data Analysis, Analytics, GitHub, Python Programming, Natural Language Processing
★ 4.6 (83) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), JSON, Apple iOS, iOS Development, Data Persistence, Data Store, Mobile Development, Application Programming Interface (API), Data Modeling, UI Components, Network Protocols, User Interface (UI)
★ 4.6 (137) · Advanced · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Model Evaluation, Data Mining, Supervised Learning, Unsupervised Learning, Service Level, Dimensionality Reduction, Deep Learning, Statistical Modeling, Probability, Applied Machine Learning, Anomaly Detection, Machine Learning Algorithms, Statistical Inference, Statistical Hypothesis Testing, Statistical Machine Learning, Model Training, Data Warehousing, Performance Testing, Bash (Scripting Language), Data Science
Graduate Certificate · 6 - 12 Months

Skills you'll gain: Data Flow Diagrams (DFDs), Apache Airflow, Data Pipelines, Diagram Design, Data Mapping, Data Modeling, Data Integration, Data Architecture, Data Warehousing, Apache Spark, Extract, Transform, Load, Database Development, Data Processing, Data Transformation, Configuration Management, Enterprise Security
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Matplotlib, Statistical Methods, Statistical Hypothesis Testing, Plot (Graphics), Data Analysis, Statistical Analysis, Data Import/Export, Data Visualization, Data Cleansing, Data Manipulation, Statistics, Descriptive Statistics, Pandas (Python Package), Data Wrangling, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Scripting, Computational Logic
Mixed · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Investments, Performance Analysis, Risk Modeling, R Programming, R (Software), Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Market Data, Financial Modeling, Financial Forecasting, Financial Data, Statistical Programming, Risk Management, Correlation Analysis, Regression Analysis, Data Manipulation
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Software Engineering, Web Applications, Performance Testing, Scalability, Software Systems, Microservices, Software Architecture, System Testing, Distributed Computing, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, Big Data
★ 3.5 (107) · Advanced · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Data Storytelling, Prompt Engineering, Data Presentation, ChatGPT, Prompt Patterns, Excel Macros, Storytelling, Excel Formulas, Microsoft Excel, LLM Application, AI literacy, Data Visualization, AI Enablement, Plot (Graphics), Spreadsheet Software, Data Analysis, AI powered creativity, Generative AI, Artificial Intelligence, Data Compilation
★ 4.8 (8.1K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Splunk, Security Controls, Data Pipelines, Systems Administration, System Configuration, Identity and Access Management, Dataflow, Configuration Management, Enterprise Application Management, Debugging, Performance Tuning, Information Management, Distributed Computing, Data Management, Scalability, Data Storage
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Workflow Management, Data Entry, Organizational Skills, Process Management, Operational Efficiency, Project Management Software, Editing, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Warehousing, Data Pipelines, Data Architecture, Cloud Engineering, Cloud Storage, Google Cloud Platform, Data Storage, SQL
Intermediate · Course · 1 - 3 Months