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.

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Classification Algorithms, Reinforcement Learning, Machine Learning Methods, Model Training, Applied Machine Learning, Machine Learning Algorithms, Artificial Intelligence, Dimensionality Reduction, Statistical Analysis, Supervised Learning, Unsupervised Learning, Data Preprocessing, Data Mining, Predictive Modeling, Random Forest Algorithm, Logistic Regression, Model Optimization, Data Manipulation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: PySpark, Databricks, Apache Spark, MLOps (Machine Learning Operations), Microsoft Azure, Big Data, Data Lakes, Model Training, Machine Learning Methods, Data Processing, Deep Learning, Data Transformation, Model Deployment, Data Pipelines, Data Manipulation, Model Evaluation, Machine Learning, Distributed Computing, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, C and C++, Embedded Systems, Data Structures, Programming Principles, Computer Engineering, Algorithms, Computer Programming, Linux
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Tableau Software, Report Writing, Data Visualization Software, Dashboard, Data Visualization, Data Analysis, Data-Driven Decision-Making, Dashboard Creation, Data Presentation, Ad Hoc Reporting, Interactive Data Visualization, Microsoft Excel, Data Manipulation, Data Sharing, Microsoft PowerPoint, Data Management, Decision Making, Productivity Software, Microsoft Office
Mixed · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Financial Acumen, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Wrangling, Analytical Skills, Data Transformation, Accounting Records, Microsoft Excel, Data Literacy, Transaction Processing, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Cloud Deployment, Apache Spark, Web Services, Cloud Technologies, Cloud Services, Virtualization and Virtual Machines, Cloud Computing Architecture, PySpark, Cloud Infrastructure, Cloud Development, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Dashboard Creation, Dashboard, Data Governance, Data Visualization, Digital Transformation, Data Presentation, Real Time Data, Google Cloud Platform, Data Modeling, Business Transformation, Interactive Data Visualization, Data Visualization Software, Data Synthesis, Data Management, Data Warehousing, Pivot Tables And Charts, Ad Hoc Reporting, Performance Tuning, Business Intelligence Software
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Dataflow, Google Cloud Platform, NoSQL, Cloud Storage, Data Pipelines, Data Integration, Data Storage Technologies, Data Processing, Big Data, Cloud Management, Data Validation
Beginner · Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: R Programming, R (Software), Plot (Graphics), Data Visualization, Statistical Visualization, Statistical Modeling, Data Analysis, Data Science, Statistical Analysis, Data Import/Export, Statistical Machine Learning, Machine Learning Methods, Machine Learning, Decision Tree Learning, Machine Learning Algorithms, Regression Analysis, Data Structures, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Data Validation, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Scatter Plots, Histogram, Data Integrity, Excel Formulas, Spreadsheet Software, Analysis, Forecasting, Data Analysis Software, Data Analysis, Debugging, Visual Basic (Programming Language), Automation
Beginner · Course · 1 - 4 Weeks