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: Exploratory Data Analysis, Predictive Modeling, Model Evaluation, Statistical Modeling, Matplotlib, A/B Testing, Plot (Graphics), Box Plots, Sampling (Statistics), Statistical Hypothesis Testing, Predictive Analytics, Data Analysis, Regression Analysis, Statistical Inference, Descriptive Statistics, Statistical Methods, Data Science, NumPy, Machine Learning, Python Programming
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Debugging, Automation, Python Programming, Data Structures, Programming Principles, Scripting Languages, Development Environment, Scripting, Data Manipulation, Other Programming Languages, File Management, Data Validation, Package and Software Management, Software Installation
★ 4.5 (8) · Beginner · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Performance Tuning, Development Testing, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Test Script Development, Code Reusability, Web Applications, Test Driven Development (TDD), Technical Documentation, Frontend Performance, Debugging, Performance Testing, Maintainability, Javascript, Software Design Patterns, Software Architecture, Secure Coding, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Science, Statistical Inference, Machine Learning Methods, Data Visualization, Pandas (Python Package), Probability & Statistics, Statistical Methods, Statistics, Regression Analysis, Applied Machine Learning, Apache Hadoop, Big Data, Machine Learning Algorithms, Data Mining, Data Analysis, Python Programming, Data Mapping, Object Oriented Programming (OOP), JavaScript Frameworks, HTML and CSS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Recurrent Neural Networks (RNNs), SAS (Software), Forecasting, Regression Analysis, Machine Learning Methods, Applied Machine Learning, Statistical Analysis, Statistical Methods, Data Analysis Software, Predictive Modeling, Statistical Modeling, Statistical Software, Bayesian Statistics, Model Evaluation
Intermediate · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Programming, Data Storage
★ 3.1 (34) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Security, Data Migration, Data Governance, Extract, Transform, Load, Cloud Storage, Data Architecture, Data Management, Data Integration, Data Storage, Enterprise Architecture, Data Quality, Data Modeling, Incident Response, Security Controls, Information Privacy, Data Infrastructure, Computer Security Incident Management, Data Storage Technologies, Security Strategy, Database Architecture and Administration
★ 4.5 (85) · Advanced · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Clinical Documentation, Data Ethics, Health Informatics, Responsible AI, Electronic Medical Record System, Health Care, Health Care Procedure and Regulation, Clinical Data Management, Healthcare Ethics, Health Information Management, Artificial Intelligence, Natural Language Processing, Decision Support Systems, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Data Quality, Regulatory Compliance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, Generative AI, Generative Model Architectures, LLM Application, Generative Adversarial Networks (GANs), Hugging Face, Data Pipelines, PyTorch (Machine Learning Library), Natural Language Processing, Data Preprocessing, Model Training, Recurrent Neural Networks (RNNs)
★ 4.7 (423) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Web Scraping, Data Presentation, Data-Driven Decision-Making, SQL, Pandas (Python Package), NumPy, Data Analysis, Databases, Data Manipulation, Database Management, Query Languages, Python Programming, Data Processing, Data Wrangling
★ 4.2 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Model Evaluation, NumPy, Statistical Methods, Probability & Statistics, Plot (Graphics), Dashboard, Statistics, Pandas (Python Package), Data Analysis, Database Development, Statistical Analysis, Regression Analysis, Dashboard Creation, Data Manipulation, Python Programming, Applied Machine Learning, Probability, Data Science, Performance Tuning
★ 4.5 (30) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Apache Airflow, Data Pipelines, Data Integration, Infrastructure as Code (IaC), Terraform, Extract, Transform, Load, Amazon CloudWatch, IT Automation, Data Quality, Amazon Web Services, CI/CD, Data Processing, Data Transformation, NoSQL, Network Troubleshooting
★ 4.7 (136) · Intermediate · Course · 1 - 4 Weeks