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.

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, Agentic Workflows, AI Workflows, No-Code Development, Deepseek, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Automation, Application Deployment, AI Integrations, Google Sheets, Context Management, Gmail, Software Installation
★ 4.1 (46) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Adobe Illustrator, Adobe Express, Adobe Photoshop, Typography, Responsible AI, AI powered creativity, Color Theory, Generative AI, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Photography, Visual Storytelling, Data Ethics, Design, Creative Design, Digital Design, Branding, Storytelling
★ 4.7 (1.4K) · Beginner · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Data Structures, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming, Computational Thinking, Software Development Tools, Development Environment, Data Storage, Functional Design, Integrated Development Environments, Software Documentation, Code Reusability, Data Import/Export, Jupyter
★ 4.6 (1.3K) · Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Penetration Testing, Metasploit, Exploitation techniques, Exploit development, Vulnerability Scanning, Security Testing, Technical Communication, Scripting, Technical Writing, Security Engineering, Technical Documentation, Bash (Scripting Language), Code Review, Security Requirements Analysis, Windows PowerShell, Security Awareness, Python Programming, Linux, Persistence, Applicant Tracking Systems
Advanced · Course · 1 - 3 Months

Skills you'll gain: Teradata SQL, Google Cloud Platform, Identity and Access Management, Database Design, Extract, Transform, Load, Query Languages, Role-Based Access Control (RBAC), Relational Databases, Data Modeling, SQL, Data Import/Export, Data Warehousing, Database Management, Data Architecture, Database Architecture and Administration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Installation, Python Programming, Data Structures, Data Processing, Programming Principles, Scripting Languages, Scripting, Development Environment, Computer Programming, Code Reusability, Functional Testing, Debugging, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computational Logic
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Responsible AI, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), Multimodal Prompts, Enterprise Application Management, Application Deployment, Model Optimization, AI Workflows, Data Management, Generative AI, Data Strategy, AI Personalization, Data Governance, Scalability, Data Quality
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: A/B Testing, Key Performance Indicators (KPIs), Data-Driven Marketing, Dashboard Creation, Email Marketing, Business Metrics, Performance Metric, Performance Measurement, Dashboard, Performance Reporting, Marketing Analytics, Business Reporting, Report Writing, Content Performance Analysis, Web Analytics, Campaign Management, Google Sheets, Microsoft Excel, Data Visualization, Stakeholder Analysis
Intermediate · Course · 3 - 6 Months

Arizona State University
Skills you'll gain: Root Cause Analysis, Data Collection, Complex Problem Solving, Analysis, Data Synthesis, Data-Driven Decision-Making, Analytical Skills, Critical Thinking, Interactive Learning, Decision Making, Data Visualization, Ideation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Forecasting, Trend Analysis, Statistical Visualization, Spreadsheet Software, Regression Analysis, Time Series Analysis and Forecasting, Statistical Methods, Statistical Analysis, Plot (Graphics), Predictive Modeling, Data-Driven Decision-Making, Data Analysis
★ 4.5 (114) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Stata, STATA (Software), Regression Analysis, Statistical Modeling, Statistical Methods, Statistical Analysis, Statistical Programming, Statistical Software, Statistical Visualization, Data Visualization, Data Manipulation, Logistic Regression, Simulations, Correlation Analysis, Descriptive Statistics, Data Transformation, Graphing, Model Evaluation, Sample Size Determination
★ 4.5 (6) · Beginner · Course · 3 - 6 Months