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.

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

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R (Software), Data Wrangling, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Programming Principles
Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Statistical Machine Learning, Predictive Modeling, Model Evaluation, Random Forest Algorithm, Applied Machine Learning, Predictive Analytics, Machine Learning Methods, Unsupervised Learning, Machine Learning Algorithms, Machine Learning, Data Analysis, Feature Engineering, Exploratory Data Analysis, Regression Analysis, Python Programming
Mixed · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Query Languages, Databases, Analytics, PostgreSQL, Data Manipulation, Data Integration, Data Analysis, Data Management, Virtual Machines
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Spatial Analysis, Machine Learning Methods, Model Evaluation, Anomaly Detection, Taxonomy, Algorithms, Verification And Validation
Mixed · 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 Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
Intermediate · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Data Ethics, Financial Data, Investments, Data Collection, Due Diligence, Financial Services, Big Data, Analytics, Investment Management, Data-Driven Decision-Making, Financial Market, Business Ethics, Data Quality, Corporate Sustainability, Financial Industry Regulatory Authorities, Sustainable Business, Portfolio Management, Accountability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, Data Modeling, Database Design, Data Architecture, Performance Tuning, Model Optimization, Business Analytics, Performance Measurement, Performance Metric, Business Metrics, Descriptive Analytics, Business Reporting
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Data Presentation, Performance Measurement, Business Metrics, Data Storytelling, Data Visualization Software, Data Analysis Software, Small Data, Decision Making, Big Data
Beginner · Course · 1 - 4 Weeks