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: Relational Databases, Power BI, Microsoft Azure, Database Management, NoSQL, Dashboard, Cloud Deployment, Dashboard Creation, Data Integration, Data Visualization, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Cloud Storage, Extract, Transform, Load, Data Processing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, jQuery, Javascript and jQuery, Web Development Tools, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Data Visualization, Interactive Data Visualization, Tableau Software, Dashboard, Data Storytelling, Spatial Data Analysis, Data Visualization Software, Peer Review, Dashboard Creation, Data Presentation, Data Integration, Geospatial Mapping, Spatial Analysis, Data Wrangling, Business Intelligence Software, Business Intelligence, Plot (Graphics), Data Manipulation, Data Preprocessing, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Data Processing, Database Administration, Database Theory, Databases, Data Store, Database Management Systems, Cloud Services, Data Storage, Azure Synapse Analytics, Database Management, Relational Databases, Query Languages, NoSQL, Transaction Processing, Data Management, Cloud Computing, Data Analysis, Unstructured Data, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Tensorflow, Dataflow, Data Lakes, Data Pipelines, Feature Engineering, Real Time Data, Dashboard Creation, Apache Kafka, Applied Machine Learning, Data Infrastructure, Data Architecture, Data Warehousing, Apache Spark, Dashboard, Big Data, Data Migration, Serverless Computing, Metadata Management, Model Deployment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Integrated Development Environments, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Engineering, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Integration, Data Warehousing, Software Engineering Tools, Data Import/Export, Stored Procedure, Data Sharing, SQL, Data Analysis, GitHub, Microsoft Visual Studio, Command-Line Interface, Application Deployment
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, General Mathematics, Mathematical Software, Applied Mathematics, Geometry
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, Machine Learning Methods, Applied Mathematics, Calculus, Applied Machine Learning, Numerical Analysis, Mathematical Modeling, Machine Learning, Data Visualization, Python Programming, Artificial Neural Networks, Deep Learning, Computer Programming, Derivatives
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Data Cleansing, Data Validation, Data Wrangling, Data Entry, Spreadsheet Software, Data Quality, Data Manipulation, Data Analysis, Data Transformation
Intermediate · Project · Less Than 2 Hours
Skills you'll gain: Governance, Data Ethics, Business Ethics, Strategic Leadership, Business Leadership, Organizational Leadership, Governance Risk Management and Compliance, Ethical Standards And Conduct, Policy Development, Culture Transformation, Business Transformation, Stakeholder Engagement, Compliance Management, Responsible AI, Policy Analysis, Employee Training, Change Management, Employee Engagement
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Probability, Box Plots, Histogram, Probability Distribution, Probability & Statistics, Scatter Plots, Statistics, Microsoft Excel, Excel Formulas, Data Analysis, Statistical Methods, Spreadsheet Software, Bayesian Statistics
Beginner · Course · 1 - 3 Months