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.

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recruitment, Talent Recruitment, Talent Pipelining, Professional Networking, Recruitment Strategies, Full Cycle Recruitment, Relationship Building, Talent Sourcing, Performance Metric, Applicant Tracking Systems, Job Analysis, Talent Acquisition, Consultative Approaches, Process Improvement, Change Management, Performance Improvement, Performance Reporting, Market Research, Key Performance Indicators (KPIs), Analytics
★ 5 (29) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Database Software, Database Management Systems, SQL, Database Theory, Relational Databases, Database Management, Databases, MySQL, Database Administration, Data Integrity, Query Languages, Data Manipulation
★ 4.7 (1.5K) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Machine Learning, Data Mining, Model Evaluation, Machine Learning Algorithms, Exploratory Data Analysis, Data Analysis, Anomaly Detection, Algorithms
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Professionalism, Payment Processing and Collection, Care Management, Patient Communication, Medical Coding, Patient-centered Care, Healthcare Ethics, Medicare, Professional Development, Data Integrity, Interpersonal Communications, Empathy, Teamwork, Ethical Standards And Conduct, Conflict Management, Interoperability, Cultural Responsiveness, Emotional Intelligence, Communication, Time Management
★ 4.8 (988) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Statistical Hypothesis Testing, Lean Six Sigma, Statistical Analysis, Continuous Improvement Process, Data Analysis, Analysis, Process Analysis, Process Improvement, Quality Improvement, Statistical Methods, Quality Monitoring, Quality Control, Process Improvement and Optimization, Root Cause Analysis, Data-Driven Decision-Making, Statistics, Statistical Inference
★ 4.6 (18) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Classification Algorithms, Embeddings, Machine Learning Methods, Model Evaluation, Model Training, Dependency Analysis
★ 3 (6) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Constructive Feedback, Empathy, Tactfulness, Rapport Building, Team Building, Trustworthiness, Communication Strategies, Anthropic Claude, Performance Management, ChatGPT, AI literacy, Emotional Intelligence, Empathy & Emotional Intelligence, AI Personalization, Data Modeling
Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Cryptographic Protocols, Public Key Infrastructure, Threat Detection, Cloud Security, IT Security Architecture, Network Security, Public Key Cryptography Standards (PKCS), Cryptography, Cloud Computing, Key Management, Cloud Infrastructure, Enterprise Architecture, Cloud Services, Virtualization, Security Engineering, Security Management, Data Management, Security Software, Security Awareness, TCP/IP
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, File Management, Spreadsheet Software, Productivity Software, Email Security, Email Automation, Collaborative Software, Excel Formulas, Data Visualization, Data Validation, Document Management, Setting Appointments, Meeting Facilitation, Sales Presentations, Version Control
★ 4.7 (3.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Copilot, Microsoft Power Automate/Flow, Microsoft Power Platform, Microsoft 365, Collaborative Software, Security Controls, Continuous Monitoring, Security Management, AI Integrations, AI Enablement, Threat Detection, Compliance Management, AI Security, Generative AI Agents, Workflow Management, Automation, Incident Response, Generative AI
★ 4.3 (15) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Generative Model Architectures, Machine Learning Methods, Google Gemini, ChatGPT, OpenAI, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Prompt Engineering, Applied Machine Learning, Machine Learning, Deep Learning, Machine Learning Algorithms, Computer Vision, Predictive Modeling, Supervised Learning, Text Mining
★ 3.7 (68) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, TypeScript, Secure Coding, OAuth, Data Validation, Full-Stack Web Development, Web Applications, Application Security, Authentications, Web Development, Back-End Web Development, Javascript, Data Modeling, Middleware, Data Migration, Application Deployment, API Design, E-Commerce
Intermediate · Course · 1 - 3 Months