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: Data Analysis Expressions (DAX), Key Performance Indicators (KPIs), Power BI, Earned Value Management, Business Metrics, Project Performance, Performance Measurement, Customer Analysis, Marketing Analytics, Performance Metric, Project Controls, Performance Analysis, Customer Insights, Business Intelligence, Customer Retention, Operational Efficiency, Project Accounting, Data Analysis, Business Analysis, Business Operations
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Feature Engineering, Model Evaluation, Applied Machine Learning, Supervised Learning, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Machine Learning, Model Training, Model Optimization, Machine Learning Algorithms, Unsupervised Learning, Python Programming, Classification Algorithms, Artificial Neural Networks
★ 4.6 (8.8K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Extract, Transform, Load, Data Storytelling, Data Visualization, Dashboard Creation, Database Design, Presentations, Data Presentation, Descriptive Statistics, IBM DB2, Business Intelligence, Data Visualization Software, Statistical Hypothesis Testing, Tableau Software, Relational Databases, Database Systems, Statistical Visualization, IBM Cognos Analytics, Interactive Data Visualization, Excel Formulas
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Supervised Learning, Transfer Learning, Recurrent Neural Networks (RNNs), Markov Model, Embeddings, Applied Machine Learning, Dimensionality Reduction, Large Language Modeling, Text Mining, Statistical Machine Learning, Artificial Neural Networks, Classification Algorithms, Data Preprocessing, Deep Learning, Tensorflow, Machine Learning Methods, Logistic Regression, Feature Engineering, Keras (Neural Network Library)
★ 4.6 (6.2K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Dashboard, Dashboard Creation, Spreadsheet Software, Interactive Data Visualization, Excel Formulas, Performance Reporting, Data Visualization, Data Presentation, Data Analysis, Microsoft Copilot, Data Wrangling, Data Import/Export, Analytics, Data Cleansing, Data Manipulation, Data Science, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Power BI, Microsoft Copilot, Data Modeling, Data Analysis Expressions (DAX), Microsoft Power Platform, Data Storytelling, Data Visualization Software, Data Presentation, Interactive Data Visualization, Business Intelligence, Data Maintenance, Data Analysis, Extract, Transform, Load, Database Administration, Data Integration, Data Manipulation, Data Wrangling, Data Transformation, Data Access, Data Cleansing
★ 4.6 (719) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Key Performance Indicators (KPIs), Power BI, Earned Value Management, Business Metrics, Project Performance, Performance Measurement, Customer Analysis, Marketing Analytics, Performance Metric, Project Controls, Performance Analysis, Customer Insights, Business Intelligence, Business Analytics, Data Visualization, Interactive Data Visualization, Data Analysis, Business Analysis, Operations Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Excel Formulas, Microsoft Excel, Data Cleansing, Spreadsheet Software, Data Validation, Complex Problem Solving, Data Analysis Software, Financial Modeling, Data Analysis, Statistical Analysis
★ 4.7 (5.5K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Database Design, Data Processing, Debugging, Web Scraping, File I/O, Data Store, Data Visualization, Database Software, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Data Presentation, Data Structures, Programming Principles, Python Programming, Program Development
★ 4.8 (281K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Neurology, Medical Imaging, Anatomy, Image Analysis, Data Analysis, Correlation Analysis, Data Manipulation, R (Software), Radiology, Experimentation, Research Design, Statistical Analysis, Image Quality, Psychology, Advanced Analytics, Network Analysis, R Programming, Statistical Methods, Statistics
★ 4.7 (3.3K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Fine-tuning, Convolutional Neural Networks, Deep Learning, Natural Language Processing, Embeddings, Hugging Face, Computer Vision, Supervised Learning, Classification Algorithms, Data Preprocessing, Predictive Modeling, Machine Learning, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Statistical Methods, Probability & Statistics, Machine Learning Algorithms
★ 4.4 (2.1K) · Advanced · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Pandas (Python Package), AWS SageMaker, NumPy, Microsoft Azure, Hugging Face, GitHub Copilot, Unit Testing, Data Engineering, DevOps, Cloud Computing, Python Programming, Machine Learning, GitHub, Big Data, Data Management, Data Analysis
★ 4.1 (639) · Advanced · Specialization · 3 - 6 Months