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: 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

Johns Hopkins University
Skills you'll gain: Employee Onboarding, Team Motivation, Interviewing Skills, New Hire Orientations, Organizational Leadership, Team Management, Team Performance Management, Team Building, Organizational Effectiveness, Team Leadership, People Management, Technical Management, Staff Management, Recruitment, Full Cycle Recruitment, Talent Recruitment, Recruitment Strategies, Empowerment, Data Science, Cross-Functional Collaboration
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Data Wrangling, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
Intermediate · Course · 1 - 4 Weeks

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: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Extract, Transform, Load, Trend Analysis, Service Level Agreement, Systems Integration, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: iSCSI Configuration, Data Centers, Network Switches, Data Storage, Network Infrastructure, Data Storage Technologies, Networking Hardware, General Networking, Network Protocols, System Configuration
Beginner · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Data Visualization Software, Spatial Data Analysis, Tableau Software, Data Storytelling, Statistical Visualization, Interactive Data Visualization, Data Presentation, Geospatial Information and Technology, Geospatial Mapping, Data Analysis, Business Intelligence, Data Mapping, Conversion Funnel Analysis
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Probability & Statistics, Statistical Analysis, Statistics, Data Literacy, Data Visualization, Statistical Hypothesis Testing, Statistical Visualization, Descriptive Statistics, Data Analysis, Analytics, Statistical Methods, Histogram, Plot (Graphics), Probability, Simulations, Probability Distribution, Correlation Analysis, Statistical Inference, Estimation, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
Intermediate · Course · 1 - 3 Months

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

Illinois Tech
Skills you'll gain: Machine Learning Algorithms, Model Evaluation, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Statistical Methods, Data Presentation, Analysis, Probability & Statistics, Data Cleansing, Applied Machine Learning, Analytics, Machine Learning, Data Preprocessing, Data Processing, Model Training, Correlation Analysis, Decision Tree Learning, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Lean Six Sigma, Statistical Hypothesis Testing, Minitab, Statistical Visualization, Six Sigma Methodology, Regression Analysis, Graphing, Probability Distribution, Statistical Methods, Data Analysis, Lean Methodologies, Statistical Analysis, Statistical Software, Statistical Modeling, Probability & Statistics, Data-Driven Decision-Making, Analytics, Data Analysis Software, Process Improvement, Statistics
Beginner · Course · 1 - 3 Months