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 Security, Cryptography, Information Systems Security, Security Controls, Cryptographic Protocols, Security Management, Data Access, Vulnerability Assessments, Encryption, Vulnerability Management, Big Data, Authorization (Computing), Identity and Access Management, Cyber Risk
★ 4.7 (587) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Microsoft SQL Servers, Microsoft Azure, Database Development, Data Warehousing, SQL, Data Integration, Data Maintenance, Extract, Transform, Load
★ 4.2 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Development, Database Design, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Apache Maven, Real Time Data, Data Processing, Scalability, Data Structures, Live Streaming, Data Transformation, Object Oriented Programming (OOP), Systems Integration
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Model Deployment, Model Training, Convolutional Neural Networks, Classification Algorithms, Data Analysis, Image Analysis, Data Store, Data Integration, Data Lakes, Model Evaluation, Transfer Learning, Cloud Management, Machine Learning Methods, Machine Learning, Data Processing, Data Preprocessing, Data Pipelines, Data Transformation, Data Manipulation
★ 4.2 (618) · Intermediate · Professional Certificate · 3 - 6 Months
Logical Operations
Skills you'll gain: Power BI, Data Analysis, Business Intelligence Software, Microsoft Excel, Data Visualization Software, Data Literacy, Business Intelligence, Data-Driven Decision-Making, Data Storytelling, Dashboard Creation, Microsoft 365, Business Reporting, Data Visualization, Data Analysis Software, Interactive Data Visualization, Data Presentation, Microsoft Office, Microsoft PowerPoint, Data Sharing, Data Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Retrieval-Augmented Generation, OpenAI API, Generative AI, LLM Application, Model Evaluation, Data Preprocessing, Large Language Modeling, Generative Adversarial Networks (GANs), Predictive Modeling, Matplotlib, Keras (Neural Network Library), Fine-tuning, Transfer Learning, Deep Learning, Machine Learning Methods, Applied Machine Learning, Seaborn, Statistical Modeling, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Data Preprocessing, Feature Engineering, Data Import/Export, Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Data Literacy, Data Visualization, Data Transformation, Data Analysis, Box Plots, Model Training, Python Programming, Data Science
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Storage Technologies, Data Storage, File Systems, File Management, Information Management, Data Loss Prevention, Servers, Data Management, Disaster Recovery, Data Integrity, Infrastructure Architecture, System Configuration, Scalability, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Dashboard Creation, Tableau Software, Dashboard, Market Data, Data-Driven Decision-Making, Data Presentation, Feature Engineering, Analytical Skills, Data Ethics, Exploratory Data Analysis, Data Visualization Software, Case Studies, Business Intelligence, Business Analytics, Financial Market, Interactive Data Visualization, Data Analysis, Financial Data, Financial Analysis
Beginner · Specialization · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Health Disparities, Health Equity, Health Informatics, Data Literacy, Epidemiology, Data Visualization, Data Quality, Data Storytelling, Social Determinants Of Health, Public Health, Public Health and Disease Prevention, Data-Driven Decision-Making, Policy Analysis, Health Assessment, Policy Development, Data Collection, Data Visualization Software, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Prioritization, Business Writing, Strategic Decision-Making, Report Writing, Strategic Prioritization, Data Storytelling, Business Priorities, Data Analysis, Product Roadmaps, Writing, Strategic Thinking, Decision Making, Analytical Skills, Strategic Communication, Risk Analysis, Product Improvement, Resource Allocation, Trend Analysis, Project Estimation
Intermediate · Course · 1 - 4 Weeks