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.

Unilever
Skills you'll gain: Descriptive Analytics, Supply Chain, Supply Chain Management, Supply Chain Planning, Predictive Analytics, Operations Research, Forecasting, Inventory Management System, Statistical Programming, Query Languages, Data-Driven Decision-Making, Business Analytics, Analytics, Advanced Analytics, Predictive Modeling, Demand Planning, Agile Methodology, SQL, Data Presentation, Database Software
★ 4.7 (70) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Responsible AI, Data Ethics, AI Enablement, AI powered creativity, Artificial Intelligence, Creative Problem-Solving, Critical Thinking
★ 4.7 (282) · Beginner · Course · 1 - 4 Weeks
Stanford Online
Skills you'll gain: Cryptography, Data Encryption Standard, Cryptographic Protocols, Encryption, Key Management, Advanced Encryption Standard (AES), Public Key Cryptography Standards (PKCS), Cybersecurity, Application Security, Authentications, Data Integrity, Algorithms, Arithmetic, Probability
★ 4.8 (4.5K) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Excel Formulas, Plot (Graphics), Microsoft Excel, Data Management, Data Cleansing, Spreadsheet Software, Data Entry, Data Sharing, Data Import/Export, Data Validation, Microsoft Office, Data Analysis Software, Data Integrity, Problem Solving
★ 4.7 (3.7K) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Network Model, Resource Allocation, Excel Macros, Business Analytics, Decision Making, Risk Analysis, Simulation and Simulation Software, Microsoft Excel, Strategic Decision-Making, Data Modeling, Business Modeling, Financial Modeling, Data-Driven Decision-Making, Excel Formulas, Business, Spreadsheet Software, Data Analysis
★ 4.8 (4.1K) · Beginner · Specialization · 3 - 6 Months
DeepLearning.AI
Skills you'll gain: Disaster Recovery, Image Analysis, Data Ethics, Responsible AI, Emergency Response, Mitigation, Text Mining, Natural Language Processing, Artificial Intelligence, Applied Machine Learning, Computer Vision, Spatial Data Analysis, Model Evaluation
★ 4.7 (322) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Social Media Marketing, Social Media Strategy, Paid media, Social Media Management, Social Media Content, Social Media Campaigns, Content Creation, Drive Engagement, Digital Media Strategy, Content Performance Analysis, Content Scheduling, Driving engagement, Digital Advertising, Advertising Campaigns, Customer Engagement, Brand Awareness, Advertising, Brand Management, Marketing Analytics, Branding
★ 4.8 (4.1K) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Algorithms, Debugging, Theoretical Computer Science, Computational Thinking, Program Development, Software Testing, Computer Programming, Analysis, Solution Design, Design Strategies, Data Processing, Model Optimization, Bioinformatics, Scalability
★ 4.6 (13K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Report Writing, Digital Transformation, Automation, Generative AI, Business Reporting, Business Process Automation, Operational Efficiency, Artificial Intelligence, Data Collection, Data Literacy
★ 4.3 (72) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Statistical Hypothesis Testing, Statistical Visualization, Correlation Analysis, Data Science, Jupyter, Data Analysis, Business Analytics, Statistical Methods, Statistical Analysis, Probability & Statistics, Python Programming, Descriptive Statistics, Statistical Inference, Data Analysis Software, Data Modeling, Statistical Modeling, Data Validation, Design Thinking
★ 4.7 (462) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Data Pipelines, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Natural Language Processing, Model Training, Data Processing, AI Workflows, Data Preprocessing, Embeddings
★ 4.8 (196) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: ChatGPT, OpenAI API, LLM Application, Large Language Modeling, Prompt Engineering, Prompt Patterns, AI Workflows, OpenAI, Generative AI Agents, Self Service Technologies, Jupyter
★ 4.7 (361) · Beginner · Project · Less Than 2 Hours