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: Data Visualization, Statistical Analysis, Predictive Modeling, Advanced Analytics, R (Software), R Programming, Statistical Methods, Data Manipulation, Business Analytics, Data Analysis, Predictive Analytics, Analysis, Probability & Statistics, Analytics, Analytical Skills, Statistical Modeling, Data Analysis Software, Regression Analysis, Statistical Programming, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Financial Data, Data Literacy, Storytelling, Data Visualization Software, Financial Acumen, Client Services, Visual Storytelling, Process Flow Diagrams, Data Analysis, Presentations, Finance, Analysis, Diagram Design, Communication, Communication Strategies, Customer Engagement, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Data Mining, Data Analysis, Case Studies, Statistical Analysis, Financial Data, Data Structures, Financial Analysis, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Data Capture, Pandas (Python Package), NumPy, Python Programming, Data Wrangling, Web Scraping, Data Manipulation
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: NumPy, Pandas (Python Package), File I/O, Image Analysis, Data Manipulation, Matplotlib, Web Design and Development, Computer Vision, Data Analysis, Plot (Graphics), Object Oriented Design, Python Programming, Database Systems, Application Design, Programming Principles, Code Reusability, Scripting, File Management, Data Structures, UI Components
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dataflow, Data Pipelines, Real Time Data, Data Processing, Google Cloud Platform, File I/O, Data Import/Export, Serverless Computing, Data Transformation, Query Languages, SQL, Analytics
Advanced · Course · 1 - 3 Months

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Anomaly Detection, Dashboard Creation, Statistical Reporting, Real Time Data, Data Analysis, Data Visualization Software, System Configuration, Analytical Skills, Data Processing, Data Cleansing, Distributed Computing, Data Import/Export, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Trend Analysis, Financial Data, Microsoft Excel, Data Quality, Data Validation, Spreadsheet Software, Excel Formulas, Strategic Decision-Making, Data Synthesis, Financial Analysis, Analysis, Data Analysis, Data-Driven Decision-Making, Statistical Reporting, Data Analysis Software, Descriptive Statistics, Business Reporting, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Data Store, Key Management, Data Structures, Data Storage, Data Management, Data Access, Performance Tuning, Memory Management
★ 4.9 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Database Theory, Distributed Computing, Data Processing, Transaction Processing, Business Intelligence, Data Management
★ 4 (27) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Data-Driven Decision-Making, Data Analysis, Dashboard, Analytics, Data Visualization Software, Dashboard Creation, Big Data, Interactive Data Visualization, Data Presentation, Google Cloud Platform, SQL, Business Intelligence, Query Languages, Cloud Storage, Data Warehousing, Data Storage Technologies, Data Storage
Beginner · Course · 1 - 3 Months