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.

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Data-Driven Marketing, Content Scheduling, Social Media Content, Social Media Marketing, Online Advertising, Brand Marketing, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Content Creation, Video Editing, Video Production, Social Media Management, Advertising, Advertising Campaigns
★ 4.8 (146) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
★ 4.6 (181) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (251) · Intermediate · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Geostatistics, Exploratory Data Analysis, Spatial Analysis, Spatial Data Analysis, Descriptive Statistics, Box Plots, Geospatial Mapping, Statistical Modeling, Geospatial Information and Technology, R Programming, Plot (Graphics), Rmarkdown, Data Analysis, Data Cleansing, Statistical Methods, R (Software), Statistical Programming, Data Wrangling, Simulations, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Forecasting, Model Optimization, Predictive Analytics, Data Preprocessing, Statistical Modeling, Model Evaluation, Machine Learning Methods, Data Processing, Feature Engineering, Data Visualization Software
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Requirements Analysis, Unified Modeling Language, Object Oriented Design, Functional Requirement, Data Modeling, Object Oriented Programming (OOP), Systems Development Life Cycle, System Requirements, Functional Specification, Diagram Design, Software Development, Software Engineering, Software Systems, Model Evaluation, Project Planning, Project Management
★ 4.6 (383) · Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Deep Learning, Convolutional Neural Networks, PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Generative AI, Model Training, Model Optimization, Machine Learning Algorithms, Network Performance Management, Network Architecture
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Program Evaluation, Formal Learning, Education and Training, Pedagogy, Data Collection, Student-Centred Learning, Higher Education, Instructional Strategies, Ethical Standards And Conduct
★ 4.8 (674) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Manipulation, Data Wrangling, AI Personalization, Model Evaluation, Applied Machine Learning, Data Preprocessing, Machine Learning Methods, Data Cleansing, Statistical Machine Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Model Training, Taxonomy, Text Mining, Data Analysis, Artificial Intelligence, Deep Learning
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Object Oriented Programming (OOP), Computer Programming, Theoretical Computer Science, Python Programming, Algorithms, Object Oriented Design, Data Structures, Programming Principles, Code Reusability, Computer Science, Computational Thinking, Maintainability, Software Testing
★ 4.9 (1.6K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Unified Modeling Language, File I/O, System Programming, Visual Basic (Programming Language), System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Program Development, Computer Programming, Microsoft Development Tools
★ 4.6 (171) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Intellectual Property, Business Planning, Competitive Analysis, Financial Data, Service Improvement, Risk Management, Financial Acumen, Tax Preparation, Business Process Automation, Budget Management, Risk Mitigation, Contract Management, Tax Management, Accounting and Finance Software, Peer Review, Business Strategy, Process Improvement, Entrepreneurship, Marketing, Leadership and Management
★ 4.7 (442) · Beginner · Specialization · 3 - 6 Months