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.

Skills you'll gain: Power BI, Dashboard, Dashboard Creation, Data Storytelling, Key Performance Indicators (KPIs), Business Reporting, Data Visualization, Performance Reporting, Business Intelligence, Interactive Data Visualization, Data Visualization Software, Performance Measurement, Performance Metric, Performance Analysis, Sales, Business Metrics, Data Import/Export, Trend Analysis, Color Theory
★ 4.7 (110) · Beginner · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Statistical Methods, Model Evaluation, Markov Model, Statistical Software, Sampling (Statistics), Mathematical Modeling, Regression Analysis, R Programming, Simulations, Statistical Inference, Probability Distribution
★ 4.8 (497) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Data-Driven Decision-Making, Business Analytics, Operational Efficiency, Peer Review, Business Analysis, Data-Driven Marketing, Marketing Analytics, Marketing Strategies, Analytics, Data Analysis, Data Strategy, Performance Measurement, Operations, Business Strategy, Analysis, People Analytics, Business Metrics, Online Advertising, Digital Advertising, Program Evaluation
★ 4.5 (780) · Intermediate · Course · 1 - 3 Months

IBM
Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Technical Support, Technical Support and Services, Cloud Computing, Generative AI, Cloud Computing Architecture, Hardware Troubleshooting, IT Service Management, Generative AI Agents, Cloud Services, Cloud Development, Cloud Deployment, Professional Networking, Data Storage, Peripheral Devices, Database Administration, Information Technology, Customer Service
★ 4.7 (13K) · Beginner · Professional Certificate · 3 - 6 Months

University of Alberta
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Sampling (Statistics), Machine Learning Algorithms, Simulations, Machine Learning, Algorithms, Applied Machine Learning, Statistical Methods, Probability Distribution
★ 4.8 (1.3K) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Classification And Regression Tree (CART), Risk Modeling, Decision Tree Learning, Predictive Modeling, Feature Engineering, Statistical Machine Learning, Applied Machine Learning, Random Forest Algorithm, Forecasting, Model Evaluation, Biostatistics, Predictive Analytics, Data Preprocessing, Data Cleansing, Statistical Modeling, Risk Analysis, Machine Learning, Statistical Methods, Statistical Analysis, Deep Learning
★ 4.7 (800) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ArcGIS, Data Storytelling, GIS Software, Spatial Data Analysis, Data Presentation, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Geospatial Information and Technology, Heat Maps, Data Visualization Software, Network Analysis, Data Manipulation, Network Routing
★ 4.5 (139) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Git (Version Control System), GitHub, User Interface (UI) Design, Javascript, Android (Operating System), Front-End Web Development, React Redux, Data Ethics, AI Personalization
★ 4.6 (8.6K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Identity and Access Management, Kubernetes, Cloud Infrastructure, Google Cloud Platform, Prompt Engineering, Application Deployment, Containerization, Prompt Engineering Tools, Infrastructure As A Service (IaaS), Cloud Deployment, Infrastructure Architecture, Cloud Computing Architecture, Cloud Computing, Cloud Solutions, Prompt Patterns, Virtual Machines, CI/CD, Cloud-Native Computing, AI literacy, Generative AI
★ 4.7 (62K) · Intermediate · Professional Certificate · 3 - 6 Months

University of Amsterdam
Skills you'll gain: Qualitative Research, Scientific Methods, Statistical Analysis, Statistical Hypothesis Testing, Research, Science and Research, Research Design, Sampling (Statistics), Research Reports, Interviewing Skills, Data Analysis, Data Collection, Research Methodologies, Probability & Statistics, Social Sciences, Statistical Methods, Regression Analysis, Statistical Inference, Statistics, R Programming
★ 4.6 (8K) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Program Development, Programming Principles, Scripting, Python Programming, Computer Programming, Computational Thinking, Data Structures, Integrated Development Environments, Debugging, Computer Programming Tools, Development Environment
★ 4.8 (41K) · Beginner · Course · 1 - 3 Months

McMaster University
Skills you'll gain: Experimentation, Scientific Visualization, Plot (Graphics), Data Visualization, Predictive Modeling, Pareto Chart, Predictive Analytics, Model Optimization, Regression Analysis, A/B Testing, Statistical Modeling, Process Optimization, Statistical Software, Statistical Methods, Analysis, Data Analysis Software, Mathematical Modeling, R Programming, Data Analysis, Statistical Analysis
★ 4.9 (938) · Intermediate · Course · 1 - 3 Months