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.

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Google Analytics, Social Media, Search Engine Marketing, Social Media Marketing, Marketing Analytics, Market Research, Digital Marketing, Marketing Effectiveness, Content Performance Analysis, Analytical Skills, Online Advertising, Social Media Strategy, Email Marketing, Customer Data Management, Analytics, Target Audience, Key Performance Indicators (KPIs), Social Network Analysis, Facebook
Intermediate · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Retention, Customer Success Management, Sales Management, Marketing Automation, Marketing Strategies, Business Development, Performance Management, Performance Measurement, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Prototyping, User Interface (UI) Design, Usability, Graphic and Visual Design, Web Content Accessibility Guidelines, Design, Interaction Design, Conceptual Design, Human Centered Design, Mockups, Layout Design, Wireframing, Responsive Web Design, Internet Of Things
Mixed · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Regression Analysis, Data Preprocessing, Machine Learning, Supervised Learning, Feature Engineering, Performance Tuning, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storage, OSI Models, General Networking, Wireless Networks, Data Storage Technologies, Local Area Networks, Networking Hardware, Computer Networking, Network Architecture, Network Infrastructure, TCP/IP, Network Protocols, Microsoft Windows, Network Troubleshooting, Network Security, System Configuration, Wide Area Networks, Hardware Architecture, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Customer Insights, Digital Marketing, Customer Analysis, Marketing Strategies, Customer experience strategy (CX), Marketing Planning, Content Marketing, Social Media Marketing, Marketing Channel, Target Audience, Persona Development, Marketing Analytics, Brand Marketing, Goal Setting, Smart Goals, E-Commerce
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Scatter Plots, Data Analysis, Correlation Analysis, Box Plots, Pandas (Python Package), Data Visualization, Histogram, Statistical Analysis, Python Programming, Software Installation
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Law, Regulation, and Compliance, Legal Technology, Regulation and Legal Compliance, Emerging Technologies, Cyber Governance, Market Dynamics, Court Systems, E-Commerce, Political Sciences, Automation, Digital Transformation, Economics, Policy, and Social Studies, Public Administration, Data Governance, Complex Problem Solving, Governance, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Network Analysis, Relational Databases, Data Visualization Software, Social Network Analysis, Data Storytelling, Data Analysis, Data Manipulation, Social Impact, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Data Pipelines, PySpark, Real Time Data, Query Languages, Data Transformation, SQL, Data Processing, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization Software, Dashboard, Security Information and Event Management (SIEM), Ad Hoc Reporting, Business Intelligence, Data Analysis, Data Processing, Big Data, Data Science, Data Transformation, Query Languages, Analysis, Incident Response, Business Analysis
Beginner · Course · 1 - 3 Months