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 Centers, Ansible, Open Shortest Path First (OSPF), Routing Protocols, Network Switches, Computing Platforms, Software-Defined Data Center (SDDC), Virtual Networking, Virtual Local Area Network (VLAN), IT Automation, Security Controls, Network Infrastructure, Devops Tools, Network Engineering, Border Gateway Protocol, Network Routers, Network Routing, Infrastructure Security, Network Monitoring, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Cloud Storage, Analytics, Data Storage, NoSQL, Data Warehousing, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard Creation, R (Software), Dashboard, User Interface (UI), UI Components, Data Integration, Server Side, Interactive Design, User Interface (UI) Design, Web Applications, Software Architecture, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Theoretical Computer Science, Software Development, Data Structures, Computer Programming, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Regression Analysis, Descriptive Statistics, Statistical Hypothesis Testing, Case Studies, Business Analytics, Strategic Decision-Making, Minitab, Analytics, Data Analysis, Statistical Analysis, Probability & Statistics, Microsoft Excel, Descriptive Analytics, Correlation Analysis, Data Analysis Software, Statistical Methods, Analysis, Statistical Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Visualization Software, Data Visualization, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Graphing, Data Preprocessing, Data Manipulation, Scatter Plots, Data Wrangling, Data Analysis, Data Modeling, Software Installation, Data Integration, Data Access
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Excel Formulas, Data Validation, Microsoft Excel, Accounting and Finance Software, Standard Accounting Practices, Spreadsheet Software, Data Quality, Data Maintenance, Data Integrity
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: SQL, Transaction Processing, Query Languages, Database Management, Data Manipulation, Data Security, Security Controls, Security Management, Database Architecture and Administration, Data Transformation, Data Access, Data Integrity, Authorization (Computing), Data Dictionary
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Statistical Methods, Pandas (Python Package), Program Development, Test Case, Data Science, Development Testing, Software Design, Computational Thinking, Sampling (Statistics), Data Manipulation, Programming Principles, Data Cleansing, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Literacy, Statistical Visualization
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Key Performance Indicators (KPIs), Microsoft Excel, Data Presentation, Data Analysis Expressions (DAX), Data Integration, Performance Measurement, Pivot Tables And Charts, Data Visualization Software, Spreadsheet Software, Performance Reporting, Trend Analysis, Cloud-Based Integration, Time Series Analysis and Forecasting, Data Analysis, Data Modeling, Data Manipulation, Microsoft 365, Microsoft Office, Productivity Software
Mixed · Course · 1 - 4 Weeks