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.

KodeKloud
Skills you'll gain: Amazon Bedrock, AWS SageMaker, Generative Model Architectures, Risking, Artificial Intelligence, LLM Application, Large Language Modeling, AI Workflows, AWS Identity and Access Management (IAM), Cloud Solutions, Cloud Engineering, Cloud Development, Cloud Computing, Cloud Management, Cloud Services, Automation
Beginner · Course · 1 - 3 Months

University of Zurich
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Natural Language Processing, Language Interpretation, Translation, and Studies, Multilingualism, Unstructured Data, Data Quality, Machine Learning Methods
★ 4.8 (22) · Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, Prompt Patterns, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Token Optimization, Generative Model Architectures, AI Integrations, Fine-tuning, Embeddings, Data Pipelines, Containerization, Restful API, Docker (Software)
★ 1.7 (7) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Analysis, Statistical Methods, Combinatorics, Statistical Programming, Data Analysis, Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Bayesian Statistics, Data Science, Simulations
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Business Metrics, Business Analytics, Analytics, Performance Metric, Performance Measurement, Marketing Analytics, Financial Data, Business Analysis, Key Performance Indicators (KPIs), Tableau Software, Analytical Skills, Big Data, Data Analysis, Data Literacy, Case Studies, Microsoft Excel, Digital Transformation, SQL
★ 4.7 (77) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Model Optimization, Tensorflow, Model Deployment, Keras (Neural Network Library), Model Training, Google Cloud Platform, Exploratory Data Analysis, Business Metrics, Data Preprocessing, Data Quality, Model Evaluation, Data Pipelines, Data Cleansing, Machine Learning Methods, Scikit Learn (Machine Learning Library), Machine Learning, Deep Learning, Performance Tuning, Dataflow
★ 4.2 (31) · Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Node.JS, Authentications, Middleware, Server Side, Back-End Web Development, MongoDB, Authorization (Computing), Web Development, JSON, Encryption, JavaScript Frameworks, Model View Controller, Web Applications, Restful API, User Accounts, MySQL, Javascript, TypeScript, Email Automation, Verification And Validation
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Data-Driven Marketing, Big Data, R (Software), Customer experience improvement, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Data Visualization, Data Strategy, Customer experience strategy (CX), Digital Transformation, Data Engineering, Marketing Analytics, Data Visualization Software, Plot (Graphics), Statistical Visualization, R Programming, Analytics, Marketing
★ 4.3 (62) · Beginner · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, AI Enablement, AI Product Strategy, Generative AI, Responsible AI, Email Automation, Generative AI Agents, AI Personalization, Business Marketing, Microsoft Copilot, Personalized Campaigns, Data-Driven Decision-Making, Customer experience strategy (CX), Business Logic, Business Strategy, AI Workflows, Business, Business Process Improvement, Business Software
★ 5 (8) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Prompt Engineering, Responsible AI, Google Gemini, Talent Acquisition, Recruitment, Talent Recruitment, Generative AI Agents, Prompt Engineering Tools, Generative AI, Microsoft Power Platform, Microsoft Power Automate/Flow, ChatGPT, Data Ethics, Workflow Management, Business Workflow Analysis, Business Process Automation, AI Integrations, Automation
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Amazon S3, Network Architecture, Cloud Security, Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Virtual Networking, Network Planning And Design, Data Storage, Network Infrastructure, Cloud Computing, Network Administration, Firewall, Network Security, Data Storage Technologies, Hybrid Cloud Computing, Security Management, File Systems, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Linux Commands, Scripting, Linux, Scripting Languages, Unix, Command-Line Interface, OS Process Management, Computational Logic, File I/O, Programming Principles, Debugging
Beginner · Course · 1 - 3 Months