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.

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Operations Research, Graph Theory, Applied Mathematics, Model Optimization, Advanced Mathematics, Linear Algebra, Mathematical Modeling, Network Model, Probability, Probability & Statistics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Technical Writing, Data Structures, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Recurrent Neural Networks (RNNs), Deep Learning, Generative AI, Convolutional Neural Networks, Transfer Learning, Model Optimization, Image Analysis, Artificial Neural Networks, Generative Model Architectures, Generative Adversarial Networks (GANs), Fine-tuning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Network Architecture, Computer Vision, Network Model, Natural Language Processing, Model Training
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Internet Of Things, Emerging Technologies, Network Security, Wireless Networks, Mobile Security, Cybersecurity, Telecommunications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HubSpot CRM, Team Building, Customer Relationship Management (CRM) Software, Team Management, Customer Relationship Management, Email Automation, Business Reporting, Marketing Automation, Email Marketing, Sales Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Modeling, Dashboard Creation, Dashboard, E-Commerce, Performance Reporting, Data Visualization Software, Data Visualization, Performance Analysis, Data Presentation, Interactive Data Visualization, Data Analysis, Regional Sales, Business Analysis, Branding
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Data Collection, Institutional Review Board (IRB), Public Health, Research Design, Nutritional Assessment, Policy Analysis, Healthcare Ethics, Social Impact, Research, Surveys, Family Planning, Maternal Health, Statistical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Statistical Visualization, R (Software), Data Visualization Software, R Programming, Scatter Plots, Regression Analysis, Statistical Programming, Predictive Modeling, Artificial Neural Networks, Data Science, Deep Learning, Model Evaluation, Descriptive Statistics, Predictive Analytics, Statistical Methods, Data Wrangling, Data Manipulation, Machine Learning Methods, Model Training
Mixed · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Generative AI, Deep Learning, Generative Model Architectures, MLOps (Machine Learning Operations), Large Language Modeling, Model Optimization, Convolutional Neural Networks, Software Visualization, Artificial Neural Networks, Embeddings, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Command-Line Interface, Linux, Unix Shell, Scripting, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Business Process Automation, Digital Transformation, Business Transformation, Automation, Emerging Technologies, Market Opportunities, Internet Of Things, Supply Chain Management, Data Integration, Distributed Computing, Systems Integration, Case Studies, Market Trend
Beginner · Course · 1 - 3 Months