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: Business Modeling, Presentations, Diagram Design, Business Planning, Data Visualization, Entrepreneurship, Value Propositions, Brainstorming, New Business Development, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Education Software and Technology, Test Tools, User Accounts
★ 4.7 (59) · Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure, Network Security, Endpoint Detection and Response, Network Architecture, General Networking, Endpoint Security, Malware Protection, Security Controls, System Monitoring, Email Security, Anomaly Detection, Operating Systems
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Clinical Informatics, Clinical Practices, AI Enablement, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Health Care, Artificial Intelligence, Data-Driven Decision-Making, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Health Administration, Generative AI Agents, Predictive Analytics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Expense Reports, Payroll Tax, Expense Management, Payroll Processing, Payroll, Accounting Software, QuickBooks (Accounting Software), Data Entry, Payroll Administration, Accounts Payable, Billing & Invoicing, Administrative Support, Payment Processing and Collection, Ledgers (Accounting), Accounting Records, Invoicing, Accounting Systems, Tax Compliance, Audit Working Papers, Document Management
★ 3.2 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Strategies, Business Strategy, Process Optimization, Program Implementation, Operational Analysis, Strategic Thinking, Performance Metric, Strategic Planning, Contingency Planning, Business Process Reengineering, Business Planning, Process Improvement, Organizational Strategy, Strategic Decision-Making, Performance Improvement, Operational Performance Management, Process Management, Competitive Analysis, Data Strategy, Business
★ 4.9 (18) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (25) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Financial Market, Risk Mitigation, Cash Management, Financial Analysis, Financial Systems, Market Liquidity, Futures Exchange, Financial Trading, Analysis, Risk Management, Financial Services, Risk Management Framework, Market Data, Lending and Underwriting, Investment Management, Investment Banking, Economics, Fixed Asset, Return On Investment, Payment Systems
★ 5 (17) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: WordPress, Cloud Hosting, Frontend Performance, Performance Tuning, Amazon Web Services, Content Management Systems, Cloud Deployment, Remote Access Systems, Web Servers, Servers, Database Management, Scalability, Systems Administration, System Configuration, Image Quality
★ 4.5 (14) · Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Software As A Service, Customer Retention, Business Modeling, Customer experience strategy (CX), Customer Relationship Management, Customer Engagement, Business Transformation, Technology Strategies, Revenue Management, Growth Strategies, Service Level Agreement, Cloud Services, Platform As A Service (PaaS), Consumer Behaviour, Cloud Computing, Infrastructure As A Service (IaaS)
★ 4.8 (16) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon DynamoDB, Database Management, AWS CloudFormation, Database Management Systems, Infrastructure as Code (IaC), Amazon Elastic Compute Cloud, Cloud Infrastructure, Databases, Cloud Hosting, Identity and Access Management, Amazon S3, Cloud Deployment, Cloud Engineering, Cloud Computing, Cloud Management, Cloud Development, Cloud Solutions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Transact-SQL, SQL, Database Development, Transaction Processing, Stored Procedure, Database Administration, Database Software, Data Manipulation, Database Management, Query Languages, Relational Databases, Database Architecture and Administration, Data Integrity, Data Analysis
Intermediate · Course · 3 - 6 Months