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: Matplotlib, Box Plots, Plot (Graphics), Seaborn, Data Visualization, Data Visualization Software, Pandas (Python Package), Scatter Plots, Data Import/Export, Histogram, Python Programming, Data Manipulation, Data Analysis, Data Structures
Beginner · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Data Mining, Predictive Analytics, Business Analytics, Dimensionality Reduction, Forecasting, Data-Driven Decision-Making, Customer Analysis, Regression Analysis, Demand Planning, Classification Algorithms, Machine Learning Methods, Logistic Regression, Decision Tree Learning, Artificial Neural Networks
Build toward a degree
Mixed · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Care Management, Medical Privacy, Revenue Cycle Management, Practice Management, Organizational Change, Change Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Performance Review, Data Management, ICD Coding (ICD-9/ICD-10), Medical Terminology, Human Resource Policies, Medical Billing, Patient Safety, Continuous Quality Improvement (CQI), Healthcare Industry Knowledge, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Social Media Campaigns, AI Personalization, Social Media Marketing, Generative AI, Trend Analysis, Social Media, Canva (Software), Digital Media Strategy, Market Trend, Content Creation, Drive Engagement, ChatGPT, Prompt Engineering, Automation, Creativity, Content Strategy, Target Audience, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Object-Relational Mapping, SQL, Cloud Deployment, Bootstrap (Front-End Framework), Relational Databases, Database Management, Database Design, Full-Stack Web Development, Databases, Web Applications, Authentications, Model View Controller, Application Development, Data Modeling, Authorization (Computing), Responsive Web Design, Content Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, No-Code Development, Data Visualization, Power Apps Component Framework, Business Intelligence, Business Process Automation, Application Development, Data Integration, Performance Analysis, Application Design, Automation, Data Security, Business Process, Computing Platforms, Microsoft Teams, Data Analysis Software, Data Modeling
Beginner · Specialization · 1 - 3 Months

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounts Payable and Receivable, Accounting, Financial Reporting, Bookkeeping, Accounting Software, Accounting Records, Budgeting, Accounting and Finance Software, Financial Accounting, Tax Returns, Data Import/Export, Inventory Management System, Order Management, Tax Management, Financial Statements, Tax, General Ledger, Data Entry, Finance, Banking
Beginner · Professional Certificate · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Data Collection, Lean Six Sigma, Six Sigma Methodology, Quality Improvement, Process Improvement, Business Process, Project Management, Project Planning, Customer experience improvement, Process Mapping, Statistics, Statistical Analysis, Stakeholder Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, Database Management, Data Analysis, Performance Tuning, Business Intelligence, Data Manipulation, Analytics, Data Transformation
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Import/Export, Query Languages, Big Data, Data Access, Data Analysis Software
Beginner · Project · Less Than 2 Hours

The Chinese University of Hong Kong
Skills you'll gain: Model Evaluation, Analysis, Statistical Modeling, Regression Analysis, Statistical Analysis, Quantitative Research, SPSS, SAS (Software), Data Analysis Software
Mixed · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Data Persistence, Web Design and Development, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months