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: Microsoft Excel, Pivot Tables And Charts, Business Intelligence, Spreadsheet Software, Business Reporting, Data Visualization, Interactive Data Visualization, Data Presentation, Dashboard, Dashboard Creation, Data Analysis, Data Visualization Software, Data-Driven Decision-Making, Data Transformation, Analysis, Predictive Analytics, Data Management
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Histogram, Data Literacy, Data Presentation, Data Collection, Descriptive Statistics, Statistics, Data Analysis, Statistical Visualization, Plot (Graphics), Probability & Statistics, Statistical Reporting, Sampling (Statistics), Research, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Visualization, Data Literacy, Data Presentation, Data Storytelling, Data Analysis, Data Cleansing, Data Preprocessing, Data Wrangling, Analysis, Correlation Analysis
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Data Visualization, Data Persistence, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Data Store, Cloud Services, Data Infrastructure, Analysis, Analytics, Data Storage, Data Analysis Software, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, Rmarkdown, Stakeholder Management, Data Presentation, Data Storytelling, Data Visualization, Data Validation, Stakeholder Engagement, Stakeholder Communications, Data Ethics, Dashboard Creation, Analytical Skills, Data Integrity, Dashboard, Data Synthesis, Case Studies, Ggplot2, Data-Driven Decision-Making, Data Analysis, Google Sheets
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Statistical Methods, Data Preprocessing, Statistical Inference, Statistical Hypothesis Testing, Data Processing, Applied Machine Learning, Data Access, Statistics, Statistical Analysis, Data Analysis, Data Cleansing, Data Manipulation, Data Science, Data Wrangling, Machine Learning, Probability & Statistics, Data Import/Export, Data Transformation
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Responsible AI, Data Lakes, Data Storytelling, Data Governance, Gemini, Data Visualization, Dashboard Creation, Dashboard, Interactive Data Visualization, Data Presentation, Data Architecture, Data Pipelines, Data Visualization Software, Data Management, Cloud Infrastructure, Google Gemini, Data Infrastructure, Cloud Storage, Identity and Access Management
Beginner · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Networking, Data Centers, vSphere Networking and Storage, Software-Defined Data Center (SDDC), Virtual Local Area Network (VLAN), Virtualization, VMware ESX Servers, Software-Defined Networking, Network Architecture, vCenter Server, Network Infrastructure, Network Switches, Virtualization and Virtual Machines, Virtual Machines, Network Administration, Network Protocols, vSphere DRS & HA, Routing Protocols, Network Routing, Control Panels
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Python Programming, Performance Tuning
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Presentation, Graphic and Visual Design, Visual Design, Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Scatter Plots
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Correlation Analysis, Data Pipelines, Dashboard, Dashboard Creation, Analytics, SQL, Business Analytics, Data Infrastructure, Data-Driven Decision-Making, Warehousing, Analysis, Capacity Management, Data Warehousing, Performance Analysis, Performance Metric, Scalability, Performance Measurement, Return On Investment, Interactive Data Visualization, Descriptive Statistics
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Software, Databases, Database Management, SQL, Query Languages, Data Analysis, Data Science, Statistical Analysis
Beginner · Project · Less Than 2 Hours