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.

Rutgers the State University of New Jersey
Skills you'll gain: Inventory Control, Supply Chain, Financial Statement Analysis, Data Analysis, Financial Data, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Cryptographic Protocols, Encryption, Data Integrity, Cybersecurity, Computer Security, Information Assurance, Authentications, Data Security, Theoretical Computer Science, Public Key Cryptography Standards (PKCS), Threat Modeling, Communication Systems, Algorithms, Digital Communications
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, Torque (Physics), electromagnetics, Physics, Electrical Systems, Electronics, Electronic Components, Engineering Calculations, Mechanics, Applied Mathematics, Problem Solving, Scientific Visualization, Calculus, Integral Calculus, Differential Equations, Mathematical Modeling
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, PySpark, Apache Spark, Logistic Regression, Predictive Modeling, Applied Machine Learning, Unsupervised Learning, Decision Tree Learning, Predictive Analytics, Advanced Analytics, Machine Learning Methods, Random Forest Algorithm, Model Training, Regression Analysis, Classification Algorithms, Machine Learning Algorithms, Data Pipelines
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Visualization, Data Synthesis, Data Presentation, Data Storytelling, Business Research, Presentations, Storytelling, Research Reports, Marketing Communications, Social Media Campaigns, Market Research, Marketing Effectiveness, Data-Driven Decision-Making, Social Media Marketing, Advertising, Customer Insights, Data Analysis, Target Audience, Digital Advertising, Digital Marketing
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Sampling (Statistics), Descriptive Statistics, Data Presentation, Statistics, Statistical Methods, Estimation, Probability, Data-Driven Decision-Making, Data Collection, Probability & Statistics, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution, Decision Making, Data Analysis, Statistical Visualization, Graphing
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Risk Analysis, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Data Security, Authentications, Security Testing, Cloud Security, Security Strategy, Threat Management, Endpoint Detection and Response, Incident Management, Risk Management, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Transfer Learning, Model Optimization, Tensorflow, Artificial Neural Networks, Applied Machine Learning, Embeddings, Keras (Neural Network Library), Deep Learning, Time Series Analysis and Forecasting, Fine-tuning, Image Analysis, Classification Algorithms, Convolutional Neural Networks, Natural Language Processing, Computer Vision, Model Training, Forecasting, Machine Learning, Text Mining
Intermediate · Specialization · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Consolidation, Microsoft Excel, Data Wrangling, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Data Processing, Pivot Tables And Charts, Data Validation, Automation, Data Access, File Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Legal Risk, Legal Technology, Compliance Management, Law, Regulation, and Compliance, Legal Strategy, Data Ethics, Compliance Training, Regulatory Compliance, Responsible AI, AI literacy, Regulation and Legal Compliance, AI Integrations, AI Workflows, Risk Management, Artificial Intelligence, Mitigation, Ethical Standards And Conduct, Governance, Analysis, Innovation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Regulatory Requirements, Cloud Security, Law, Regulation, and Compliance, Regulatory Compliance, Data Management, Regulation and Legal Compliance, Cloud Computing Architecture, Records Management, Compliance Management, Cloud Standards, Security Management, Cloud Computing, Cyber Security Policies, Microsoft Azure, Threat Management, Disaster Recovery, Data Governance, Information Privacy, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, Retrieval-Augmented Generation, ChatGPT, Natural Language Processing, Generative AI Agents, Generative AI, Generative Model Architectures, Deep Learning
Intermediate · Course · 1 - 4 Weeks