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.

University of Glasgow
Skills you'll gain: Matlab, Data Visualization, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Mathematical Software, Data Literacy, Data Wrangling, Data Preprocessing, Mathematical Modeling, Engineering Analysis
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Security, Personally Identifiable Information, Information Assurance, Security Management, Data Governance, Data Loss Prevention, Data Management, Data Integrity, Threat Management, Data Storage, Security Controls, Threat Detection, Record Keeping, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Recurrent Neural Networks (RNNs), Large Language Modeling, Natural Language Processing, Hugging Face, PyTorch (Machine Learning Library), Transfer Learning, Artificial Neural Networks, Machine Learning Methods, Generative Model Architectures, Data Preprocessing, Deep Learning, Markov Model, Model Optimization, Model Training
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Simulation and Simulation Software, Numerical Analysis, Simulations, Engineering Analysis, Torque (Physics), Mathematical Modeling, Applied Mathematics
Advanced · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Docker (Software), Devops Tools, Containerization, Data Storage, Software Installation, DevOps, Virtual Networking, Linux Commands, Cloud Development, YAML, File Systems, Computer Networking, Command-Line Interface, Software Architecture, Data Persistence, System Requirements
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Communication Systems
Advanced · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Prompt Engineering, Agentic systems, Prompt Patterns, AI Workflows, Generative AI Agents, AI Personalization, Context Engineering, AI literacy, Human Computer Interaction, Human Centered Design, Responsible AI, Experience Design, User Flows, Design Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Statistical Visualization, R (Software), Data Visualization Software, R Programming, Scatter Plots, Regression Analysis, Statistical Programming, Predictive Modeling, Artificial Neural Networks, Data Science, Deep Learning, Model Evaluation, Descriptive Statistics, Predictive Analytics, Statistical Methods, Data Wrangling, Data Manipulation, Machine Learning Methods, Model Training
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Data Structures, Scripting, Object Oriented Design, Object Oriented Programming (OOP), Scripting Languages, Program Development, Python Programming, Data Management, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Market Data, Financial Statement Analysis, Financial Data, Equities, Financial Statements, Financial Analysis, Accounting and Finance Software, Financial Modeling, Data Access, Financial Market
Intermediate · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Command-Line Interface, Linux Commands, Linux, Embedded Systems, Linux Servers, Computer Engineering, File Systems, Unix, Operating Systems, C (Programming Language), File Management, Memory Management, Computer Programming Tools, Computer Programming, Open Source Technology, OS Process Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mathematics Education, Education Software and Technology
Beginner · Guided Project · Less Than 2 Hours