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.

Macquarie University
Skills you'll gain: Governance, Data Presentation, Management Accounting, Data Storytelling, Budgeting, Marketing Analytics, Capital Budgeting, Financial Modeling, Financial Data, Data Ethics, SAS (Software), Business Analytics, Financial Management, Customer Analysis, Customer Insights, Digital Media Strategy, Corporate Finance, Business Valuation, Financial Analysis, Data Visualization
★ 4.6 (1.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Postman API Platform, Personalized Campaigns, API Testing, Marketing Automation, Content Management Systems, Application Programming Interface (API), Drupal, Restful API, Data Mapping, Workflow Management, Data Integration, Security Controls, Compliance Management, Data Security
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Data Preprocessing, Classification And Regression Tree (CART), Exploratory Data Analysis, Logistic Regression, Statistical Machine Learning, Model Evaluation, Model Training, Supervised Learning, Decision Tree Learning, Probability & Statistics, Data Processing, Machine Learning Software, Statistical Software, Machine Learning Methods, Process Modeling, Machine Learning, Correlation Analysis, Applied Machine Learning
★ 4.7 (105) · Advanced · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: React.js, Mobile Development, Event-Driven Programming, UI Components, Code Reusability, Front-End Web Development, Web Applications, JavaScript Frameworks, Application Development, Javascript, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Dataflow
★ 4.7 (2.6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Python Programming, Scripting, Programming Principles, Code Reusability, Scripting Languages, Computer Programming, File Management, Computational Logic, Data Structures, Context Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Serverless Computing, AWS Kinesis, Amazon Web Services, Amazon Redshift, API Gateway, Cloud Applications, Cloud Security, Cloud-Native Computing, Amazon DynamoDB, Extract, Transform, Load, Cloud Deployment, AWS Identity and Access Management (IAM), Cloud Infrastructure, Event-Driven Programming, Network Routing, Scalability
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
★ 4.6 (881) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, User Interface (UI) Design, Front-End Web Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, UI Components, JavaScript Frameworks, User Story, Android Development, Mobile Development Tools, Full-Stack Web Development
★ 4.4 (959) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Marketing Analytics, Data-Driven Marketing, Bayesian Statistics, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, Target Audience, Marketing Strategies, Marketing Planning, Statistical Inference, Marketing Strategy and Techniques, Statistical Software, Sampling (Statistics), A/B Testing, Data Collection, Marketing, Analytics, Performance marketing, Web Analytics
★ 4.8 (3K) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Overcoming Objections, Phone Sales, Telephone Skills, Closing (Sales), Return On Investment, B2B Sales, Price Negotiation, Prompt Engineering, Customer Service, Data Storytelling, Real Time Data, Data-Driven Decision-Making, Persona (User Experience), Analysis, Data Visualization, Storytelling, Performance Metric, Business Metrics, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: PHP (Scripting Language), Object Oriented Programming (OOP), Package and Software Management, Web Applications, Web Development Tools, Web Development, Scripting Languages, Development Environment, Scripting, Programming Principles, Debugging, Program Development, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Transformation, Site Reliability Engineering, Innovation, Digital Transformation, Serverless Computing, Culture Transformation, Application Programming Interface (API), Technology Strategies, Cloud Security, Continuous Delivery, Data Mapping, Hybrid Cloud Computing, Safety Culture, Data Strategy, Technology Roadmaps, Organizational Change, Change Management, Continuous Deployment, People Management, Organizational Development
★ 4.7 (2.6K) · Beginner · Specialization · 3 - 6 Months