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.

IE Business School
Skills you'll gain: Financial Policy, International Finance, Public Policies, Economics, Economic Development, Economics, Policy, and Social Studies, Policy Development, Business Economics, Market Opportunities, International Relations, Tax, Market Data, Policy Analysis, Socioeconomics, Risk Analysis, Demography, Crisis Management, Fiscal Management, Social Studies, Supply And Demand
★ 4.8 (1.4K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Unsupervised Learning, Applied Machine Learning, Plotly, Data Visualization, Machine Learning, Scientific Visualization, Social Sciences, Machine Learning Methods, Socioeconomics, Statistical Machine Learning, Machine Learning Algorithms, Social Studies, Economics, Policy, and Social Studies, Social Determinants Of Health, Data Mining, Data Analysis, Python Programming
★ 4.7 (21) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Security Controls, Vulnerability Scanning, ISO/IEC 27001, Penetration Testing, Vulnerability Assessments, Security Information and Event Management (SIEM), Data Security, Compliance Auditing, Security Assertion Markup Language (SAML), Risk Management Framework, Computer Security Incident Management, Multi-Factor Authentication, Authentications, Computer Security Awareness Training, Single Sign-On (SSO), Event Monitoring, Authorization (Computing), Encryption, Advanced Encryption Standard (AES), End User Training and Support
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Public Health, Public Health and Disease Prevention, Health Equity, Health Disparities, Health Promotion, Microbiology, Health Assessment, Health Education, Sanitation, Infection Control, Program Evaluation, Healthcare Ethics, Epidemiology, Infectious Diseases, Health Policy, Preventative Care, Environment Health And Safety, Behavioral Economics, Social Determinants Of Health, Behavioral Health
★ 4.7 (706) · Beginner · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Control Systems, Machine Controls, Three-Phase, Power Electronics, Simulation and Simulation Software, Model Based Systems Engineering, Electrical Engineering, Automation Engineering, Simulations, Mathematical Modeling, Electrical Power, Performance Tuning, Performance Testing, System Configuration
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model Evaluation, Time Series Analysis and Forecasting, Feature Engineering, Inventory Management System, Inventory Management, Demand Planning, Matplotlib, Predictive Modeling, Forecasting, Exploratory Data Analysis, Predictive Analytics, Data Visualization, Model Optimization, Pandas (Python Package), Data Analysis, Data Manipulation, Machine Learning
★ 3.9 (10) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Human Factors (Security), Usability, Human Computer Interaction, Authentications, Security Engineering, Usability Testing, Interaction Design, User Interface (UI), Human Factors, Information Privacy, Cybersecurity, Personally Identifiable Information, User Interface (UI) Design, Multi-Factor Authentication, User Centered Design, Design
★ 4.6 (3.3K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: MySQL Workbench, Database Design, MySQL, Database Development, Database Systems, Relational Databases, Databases, Database Management, SQL, Data Maintenance, Data Entry, Data Manipulation, Data Analysis, Data Science
★ 5 (11) · Beginner · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Digital Transformation, Customer experience strategy (CX), Business Transformation, Data-Driven Decision-Making, Internet Of Things, Cloud Computing, Automation, Cloud Storage, Technology Strategies, Data Ethics, Cloud Infrastructure, Customer Insights, AI Personalization, Business Process Automation, Emerging Technologies, Responsible AI, Business Modeling, Cybersecurity, Operational Efficiency, Law, Regulation, and Compliance
★ 4.8 (24) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Matplotlib, Data Visualization, Probability & Statistics, Plotly, Statistical Analysis, Statistical Methods, Data Visualization Software, Statistical Hypothesis Testing, Seaborn, Data Science, Programming Principles, Pandas (Python Package), Statistics, Descriptive Statistics, Data Analysis, NumPy, Probability, Python Programming
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Natural Language Processing, Field-Programmable Gate Array (FPGA), Technical Communication, Embedded Systems, Digital Signal Processing, Embedded Software, Distributed Computing, Machine Learning Algorithms, Recurrent Neural Networks (RNNs), Image Analysis, Deep Learning, Machine Learning Methods, Engineering Design Process, Experimentation, Convolutional Neural Networks, Hardware Design, Text Mining, Student Support and Services, Computer Engineering, Systems Analysis
Degree · 1 - 4 Years

Skills you'll gain: Market Research, Business Research, Marketing Strategies, Market Analysis, Marketing Planning, Business Planning, Strategic Marketing, Research Reports, Business Analysis, Research Methodologies, Business Strategies, Business Strategy, Strategic Planning, Smart Goals, Growth Strategies, Project Design, Return On Investment, Interviewing Skills, Key Performance Indicators (KPIs), Report Writing
Beginner · Course · 1 - 4 Weeks