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.

Logical Operations
Skills you'll gain: Seaborn, NumPy, Matplotlib, Data Transformation, Data Manipulation, Data Visualization Software, Pandas (Python Package), Plot (Graphics), Data Visualization, Jupyter, Scatter Plots, Data Science, Data Processing, Data Analysis, Box Plots, Python Programming, Graphing, Computer Programming, Computer Programming Tools, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Jupyter, Regression Analysis, Probability & Statistics, Model Evaluation, Statistical Software, Probability Distribution, Data Science, Markov Model, Statistics, Statistical Programming, Statistical Inference, Statistical Methods, Simulations, Data Visualization, Python Programming
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Big Data, Analytics, Query Languages, Google Cloud Platform, Data Processing, Data Analysis, Data Integration
Beginner · Project · Less Than 2 Hours
Duke University
Skills you'll gain: Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, Model Evaluation, Predictive Modeling, Regression Analysis, R Programming, Statistical Methods, Statistics, Predictive Analytics, Data Modeling, Probability & Statistics, Statistical Hypothesis Testing, Statistical Inference, Model Training, R (Software), Statistical Programming, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Integration, Social Media Analytics, Extensible Markup Language (XML), Database Management Systems, Database Management, JSON, Data Processing, Distributed Computing, Data Analysis, Analytics, Scalability, Extensible Languages and XML, Data Pipelines, Query Languages, Data Cleansing, Dataflow
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Data Ethics, Responsible AI, Emerging Technologies, Business Ethics, Ethical Standards And Conduct, Information Privacy, Technology Strategies, Diversity Awareness, Artificial Intelligence, Data Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Measurement, Business Intelligence Software, Interactive Data Visualization, Data Presentation, Analytics, Business Reporting, Dataflow, Anomaly Detection, Machine Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Algebra, Numerical Analysis
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, Context Engineering, AI Orchestration, System Monitoring, Generative AI, Data Processing, AI Workflows, Extract, Transform, Load, Scalability, Large Language Modeling, Data Architecture, Data Pipelines, Embeddings, Continuous Monitoring, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Data Infrastructure, Application Deployment, Databases, SQL, Applied Machine Learning, Database Development, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scatter Plots, Plot (Graphics), Regression Analysis, Excel Formulas, Statistical Visualization, Microsoft Excel, Data Analysis, Statistical Modeling, Descriptive Statistics, Analytics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Spreadsheet Software, Correlation Analysis, Statistics, Analysis, Exploratory Data Analysis, Predictive Modeling, Trend Analysis
Beginner · Course · 1 - 4 Weeks