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.

Corporate Finance Institute
Skills you'll gain: Market Data, Wealth Management, Equities, Financial Market, Financial Planning, Retail Banking, Financial Systems, Portfolio Management, Securities (Finance), Consumer Behaviour, Investments, Economics, Financial Management, Banking, Economic Development, Investment Management, Banking Services, Personalized Service, Market Intelligence, Financial Services
★ 4.6 (52) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Marketing, Social Media Marketing, Social Media, Web Analytics and SEO, Content Management, Content Management Systems, Social Media Management, Social Media Content, Content Strategy, Social Media Strategy, LinkedIn, Digital Marketing Tools, Marketing Strategies, Marketing Strategy and Techniques, Content Development and Management, Persona Development, Storytelling, MarTech, Productivity, Social Media Campaigns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Human Resources, Human Resources Information System (HRIS), Human Resource Strategy, Human Resource Policies, Human Resources Management and Planning, Human Resource Management, HR Tech, Human Resources Software, Vendor Management, Law, Regulation, and Compliance, Business Correspondence, People Analytics, Vendor Relationship Management, Labor Compliance, Workforce Management, Management Reporting, Internal Communications, Regulation and Legal Compliance, Business Communication, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Automation, No-Code Development, IT Automation, Business Process Automation, Workflow Management, Productivity Software, Digital Transformation, Process Optimization, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.4 (29) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Responsible AI, Data Ethics, Data-Driven Decision-Making, AI Enablement, Strategic Decision-Making, AI Product Strategy, Strategic Thinking, Business Analytics, Artificial Intelligence, Decision Support Systems, AI Integrations, Decision Making, Operational Efficiency, Organizational Strategy, Stakeholder Engagement, Business Strategy, Corporate Strategy, Overcoming Objections
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Software Systems, System Programming, Cybersecurity, Real Time Data, Web Services, Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), Computer Networking, Threat Modeling, Systems Design
★ 4.3 (1.2K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Machine Controls, Electrical and Computer Engineering, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electronic Components, Torque (Physics), Design Specifications
★ 4.7 (1.4K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data-Driven Decision-Making, Data Management, Data Manipulation, SQL
★ 4.4 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Amazon Web Services, AWS Identity and Access Management (IAM), Data Integration, IT Automation, Cloud Security, Billing, Billing Systems, Expense Management, Cloud-Based Integration, Security Controls, Cost Management, Cloud Solutions, Technical Support, Cloud Services, Technical Support and Services, Regulatory Compliance, Cloud Standards, System Support, Network Troubleshooting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Strategy, Cybersecurity, Incident Response, Computer Security Incident Management, Cyber Attacks, Cyber Security Policies, Incident Management, Cyber Threat Intelligence, Security Management, Intrusion Detection and Prevention, Security Strategy, Cyber Threat Hunting, Cyber Risk, Threat Management, Data Security, Security Controls, Encryption, Resilience, Risk Management, Security Software
Beginner · Course · 3 - 6 Months

Skills you'll gain: Retail Banking, Bank Regulations, Customer Analysis, Lending and Underwriting, Loan Origination, Commercial Lending, Banking Services, Banking, Loan Documentation, Consumer Lending, Deposit Accounts, Mortgage Loans, Data-Driven Marketing, Payment Systems, Credit/Debit Card Processing, General Lending, Service Design, Financial Inclusion, Regulatory Compliance, Commercial Banking
★ 4.9 (68) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Care Management, Medical Privacy, Revenue Cycle Management, Practice Management, Organizational Change, Change Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Performance Review, Data Management, ICD Coding (ICD-9/ICD-10), Medical Terminology, Claims Processing, Medical Billing, Patient Safety, Continuous Quality Improvement (CQI), Medical Management, Data Analysis
★ 4.7 (400) · Beginner · Professional Certificate · 3 - 6 Months