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.

Clemson University
Skills you'll gain: Dimensionality Reduction, Model Evaluation, Data Cleansing, Matplotlib, Regression Analysis, Unsupervised Learning, Data Science, Statistical Analysis, Anomaly Detection, Data Preprocessing, Statistical Methods, Data Wrangling, Plot (Graphics), Descriptive Statistics, Data Analysis, Data Visualization Software, Applied Machine Learning, Pandas (Python Package), Data Mining, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Networking, Network Troubleshooting, Data Centers, Software-Defined Data Center (SDDC), vSphere Networking and Storage, Network Switches, Cloud Services, iSCSI Configuration, Virtualization, Cloud Computing, Network Architecture, Virtual Machines, Computer Networking, OSI Models, Computing Platforms, TCP/IP, Network Protocols, Server Administration, Networking Hardware, Microsoft Windows
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: digital literacy, Systems Design, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Information Technology, Information Privacy
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, SAS (Software), Predictive Analytics, Decision Intelligence, Responsible AI, Analytics, Data Analysis, Business Analytics, Data-Driven Decision-Making, Team Oriented, Exploratory Data Analysis, Data Management, Data Visualization Software, Dataflow, Metadata Management, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Sample Size Determination, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Statistical Hypothesis Testing, Statistics, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Descriptive Statistics, Probability & Statistics, Data Analysis, Forecasting, Regression Analysis, Data Literacy, Statistical Modeling, Statistical Visualization, Data Presentation
★ 4.7 (118) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Provisioning, User Accounts, Data Import/Export, Salesforce, Data Integrity, Data Migration, Data Management, Role-Based Access Control (RBAC), Identity and Access Management, Data Security, Authorization (Computing), Data Sharing, Data Access, Security Controls, Customer Relationship Management (CRM) Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Strategy, Infrastructure Architecture, Financial Data, Business Modeling, Data-Driven Decision-Making, Database Architecture and Administration, Return On Investment, SQL, Data Transformation, Business Planning, Data Pipelines, Strategic Prioritization, Database Design, Financial Analysis, Business Continuity, Cost Benefit Analysis, Performance Metric
Advanced · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Data Governance, Data Storytelling, Data Presentation, Data Literacy, Presentations, Data Visualization, Supply Chain, Data Management, Supply Chain Management, Data Analysis, Data Analysis Software, Analytics, Data Visualization Software, Data Quality, Data Compilation, Analytical Skills, Data Cleansing, Data Synthesis, Risk Management, Problem Solving
★ 4.5 (93) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
★ 4.5 (73) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Amazon Elastic Compute Cloud, Cloud Engineering, Data Visualization Software, Cloud Storage, Data Import/Export, Dashboard Creation, Data Strategy, Data Integration, Real Time Data, Data Storage, Data Validation
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
★ 4.7 (255) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Store, Data Transformation, Scheduling, Data Storage
★ 3.7 (68) · Intermediate · Course · 1 - 3 Months