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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Exploitation techniques, Data Integrity, Continuous Monitoring, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Incident Response, Server Side, CI/CD
★ 4.6 (62) · Intermediate · Course · 1 - 3 Months
Macquarie University
Skills you'll gain: Microsoft Excel, Data Visualization, Spreadsheet Software, Data Management, Excel Formulas, Editing
★ 4.1 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, Dataflow, Extract, Transform, Load, Data Processing, Data Integration, Data Quality, Data Cleansing, Data Transformation, Data Warehousing, Google Cloud Platform, Data Validation, Big Data, Apache Spark, Performance Tuning, Continuous Monitoring
★ 4.6 (45) · Intermediate · Course · 1 - 4 Weeks

University of Houston
Skills you'll gain: Value-Based Care, ICD Coding (ICD-9/ICD-10), Medical Billing and Coding, Medical Coding, CPT Coding, Managed Care, Medical Billing, Revenue Cycle Management, Health Information Management, Health Systems, Health Policy, Health Care, Health Care Procedure and Regulation, Medicare, Risk Analysis, Regulatory Compliance, Health Education, Public Health
★ 4.4 (47) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Databricks, Data Pipelines, Data Lakes, Data Wrangling, Apache Spark, Data Access, Data Processing, Data Warehousing, Data Architecture, Data Management, Data Synthesis, Data Science, Data Mining, Data Integrity, Data Modeling, Data Presentation, Data Entry, Data Storage, SQL, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Performance Tuning, SQL, Query Languages, Database Management, Database Management Systems, Databases
★ 4.8 (91) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Presentations, Canva (Software), Typography, Target Audience, Data Visualization, Visual Storytelling, Communication Strategies, Data Storytelling, Visual Design, Graphic and Visual Design, Communication, Timelines, Style Guides, Graphic Design, Storytelling, Layout Design
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Unsupervised Learning, Supervised Learning, Regression Analysis, Applied Machine Learning, Machine Learning Methods, Statistical Modeling, Model Optimization, Machine Learning Algorithms, PyTorch (Machine Learning Library), Statistical Methods, Statistical Machine Learning, Machine Learning, Predictive Analytics, Predictive Modeling, Machine Learning Software, Statistical Programming, Model Training, Statistical Software, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning
Intermediate · Course · 1 - 3 Months

Universidad Nacional de Colombia
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Electrical Systems, Time Series Analysis and Forecasting, Data-Driven Decision-Making, Data Mining, Data Science, Statistical Methods, Python Programming, Data Processing, Applied Machine Learning, Computer Programming, Data Preprocessing, Data Visualization Software, Advanced Analytics, Classification And Regression Tree (CART), Model Evaluation, Artificial Neural Networks
★ 4.9 (34) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Milestones (Project Management), Acceptance Testing, CI/CD, Scope Management, MLOps (Machine Learning Operations), Feature Engineering, Governance Risk Management and Compliance, Capacity Management, Responsible AI, Smart Goals, Backlogs, Project Risk Management, Compliance Management, Stakeholder Communications, Risk Management, Data Governance, Model Evaluation, Project Planning, Case Studies, Risking
★ 4 (8) · Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Graphics Software, Creative Design, Design Elements And Principles, Design, Graphic and Visual Design, Data Import/Export, Design Software, Graphic Design
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Project Management, Team Performance Management, Leadership and Management, Project Management Institute (PMI) Methodology, Project Estimation, Management Training And Development, Team Management, Project Management Life Cycle, Project Implementation, Team Leadership, People Development, People Management, Project Performance, Leadership, Analysis, Document Management
★ 4.5 (59) · Advanced · Course · 1 - 4 Weeks