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.

Starweaver
Skills you'll gain: Data Storytelling, Active Listening, Non-Verbal Communication, Business Writing, Data Visualization, Concision, Data Presentation, Sales Presentation, Sales Strategy, Sales Presentations, Team Collaboration, Customer Relationship Management (CRM) Software, Writing, Cultural Sensitivity, Persuasive Communication, Storytelling, Verbal Communication Skills, Communication Strategies, Communication, Marketing Communications
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Databases, SQL, Big Data, Database Systems, Database Management Systems, NoSQL, Operational Databases, Data Warehousing, Data Management, Virtual Machines, Data Storage, Data Analysis, Unstructured Data
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Digital Transformation, Predictive Modeling, Customer experience strategy (CX), Analytics, Predictive Analytics, Simulations, Simulation and Simulation Software, Advanced Analytics, Business Transformation, Scikit Learn (Machine Learning Library), Model Evaluation, Data-Driven Decision-Making, Operations Research, Internet Of Things, Model Training, Ethical Standards And Conduct, Cloud Computing, Data Ethics, Business Analytics, Process Optimization
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, SQL, Data Visualization Software, Database Design, AWS SageMaker, Unsupervised Learning, Data Visualization, Interactive Data Visualization, Dashboard, Feature Engineering, Database Management, Exploratory Data Analysis, A/B Testing, Tableau Software, Pandas (Python Package), Matplotlib, Python Programming, Data Analysis, Machine Learning
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, A/B Testing, Customer Analysis, Anomaly Detection, Dashboard, Dashboard Creation, Time Series Analysis and Forecasting, Regression Analysis, Customer Insights, Extract, Transform, Load, Descriptive Analytics, Data Presentation, Statistical Methods, Marketing Effectiveness, Marketing Strategies, Forecasting, Statistical Modeling, Statistical Analysis, Markov Model
Intermediate · Course · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Data Preprocessing, Model Evaluation, Data Processing, Model Deployment, Data Transformation, MLOps (Machine Learning Operations), Unsupervised Learning, Data Cleansing, Predictive Modeling, Model Training, Data Science, Data Analysis, Applied Machine Learning, Model Optimization, Technical Communication, Supervised Learning, Machine Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Metadata Management, Data Governance, Dependency Analysis, Data Management, Data Modeling, Personally Identifiable Information, Data Security, Data Quality, Data Compilation, Data Processing, Data Presentation, Automation, Docker (Software), Application Programming Interface (API), Application Lifecycle Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Computer Graphics, Descriptive Statistics, Histogram, Data Analysis, Graphing, Statistical Visualization, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Data Import/Export, Dashboard, Data Modeling, Spreadsheet Software, Dashboard Creation, Statistical Methods, Business Analytics, Business Intelligence, Statistical Analysis, Data Analysis, Interactive Data Visualization, Data Processing, Data Manipulation, Data-Driven Decision-Making, Data Preprocessing, Case Studies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, SQL, Database Development, Databases, R Programming, R (Software), Data Science, Query Languages, Data Access, Data Manipulation, Data Analysis
Beginner · Course · 1 - 3 Months