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.
Duke University
Skills you'll gain: Database Design, MySQL, Relational Databases, SQL, Database Development, Database Management, Data Modeling, Database Systems, Query Languages, Databases, Business Analytics, Big Data, Business Analysis, Data Analysis, Data Management
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Reinforcement Learning, Data-Driven Decision-Making, Markov Model, Data Analysis, Time Series Analysis and Forecasting, Bayesian Statistics, Decision Making, Statistical Methods, Anomaly Detection, Probability Distribution, Statistical Analysis, Sampling (Statistics), Model Optimization, Clinical Trials
Intermediate · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming Tools, Computer Programming, Python Programming, Software Installation, Data Structures, Data Science
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: MLOps (Machine Learning Operations), Apache Kafka, Apache Airflow, Apache Spark, Extract, Transform, Load, Data Lakes, Data Pipelines, Distributed Computing, Real Time Data, DevOps, Data Processing, Feature Engineering, CI/CD, Pandas (Python Package), Continuous Integration
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Data Storytelling, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Analysis, Analytics, Data Analysis Software, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Query Languages, Data Visualization, Data Visualization Software
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Artificial Intelligence
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Data Mining, Database Design, Scalability, Database Systems, Relational Databases, Unstructured Data, Transaction Processing, Database Architecture and Administration, Systems Design, Database Software, Big Data, Database Development, Data Architecture, NoSQL, Data Processing, Maintainability, Apache Hadoop
Intermediate · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Evaluation, Data Quality, Model Training, Data Validation, Data Cleansing, Data Transformation, Verification And Validation, Applied Machine Learning, Machine Learning, Responsible AI, Machine Learning Algorithms, Algorithms, Python Programming, Computer Programming, Linear Algebra, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Dashboard Creation, Data Visualization, Interactive Data Visualization, Data Transformation, Data Presentation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Data Analysis
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Plot (Graphics), Data Visualization, Scientific Visualization, Statistical Visualization, Data Presentation, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Literacy, Statistical Reporting, Statistical Methods, Data Science, Data Processing, Data Cleansing, Data Wrangling, Matlab, Statistical Analysis
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Package and Software Management, Python Programming, Data Cleansing, Data Mapping, Code Reusability, Software Installation, Data Processing, Data Integration, Data Import/Export, Program Development, Data Structures, Software Documentation
Beginner · Course · 1 - 4 Weeks