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.

John Wiley & Sons
Skills you'll gain: Statistical Methods, Exploratory Data Analysis, Data Quality, Statistics, Data Analysis, Data Science, Statistical Analysis, Probability & Statistics, Data Storage, Data Collection, Data Management, Data Pipelines, Statistical Machine Learning, Data-Driven Decision-Making, Applied Mathematics, Interactive Data Visualization, Calculus, Probability Distribution, Machine Learning, Linear Algebra
Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Data Storytelling, Data Presentation, Exploratory Data Analysis, Data Analysis, Data Visualization, Research Reports, Statistical Reporting, Analytical Skills, Report Writing, Data Synthesis, Data Science, Data Management, Statistical Analysis, Descriptive Analytics, Descriptive Statistics, Research, Research Design
★ 4.8 (48) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, SAS (Software), Predictive Analytics, Data Literacy, Decision Intelligence, Data Storytelling, Responsible AI, Analytics, Data Analysis, Statistical Modeling, Business Analytics, Data-Driven Decision-Making, Team Oriented, Advanced Analytics, Data Mining, Exploratory Data Analysis, Data Management, Data Visualization Software, Process Design, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Data, Big Data, Analytics, Accounting Systems, Enterprise Resource Planning, Data Mining, Governance Risk Management and Compliance, Advanced Analytics, Governance, Data Visualization, Predictive Analytics, Statistical Visualization, Control Objectives for Information and Related Technology (COBIT), Financial Systems, Data-Driven Decision-Making, Financial Analysis, Business Systems, Information Systems, Accounting, Systems Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Extract, Transform, Load, Data Pipelines, Data Transformation, Model Evaluation, Pandas (Python Package), Data Storytelling, Data Presentation, Data Preprocessing, Data Processing, PySpark, Data Quality, Apache Spark, Data-Driven Decision-Making, A/B Testing, Data Analysis, Model Training, Data Visualization, Data Governance, Machine Learning
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

Coursera
Skills you'll gain: Prompt Engineering, ChatGPT, Data Validation, LLM Application, Data Analysis, OpenAI, Data-Driven Decision-Making, Analytical Skills
★ 4.7 (32) · 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

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Model Optimization, Performance Tuning, Business Intelligence, Data Analysis, Data Transformation
★ 4 (13) · Beginner · Course · 1 - 4 Weeks

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

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 Structures, Algorithms, Java, Java Programming, Programming Principles, Computer Programming, Performance Tuning, Computational Thinking, Theoretical Computer Science, Solution Design
Beginner · Course · 1 - 3 Months