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.

Skills you'll gain: Apache Spark, Model Evaluation, Data Preprocessing, Keras (Neural Network Library), Transfer Learning, Deep Learning, Model Training, Tensorflow, A/B Testing, Responsible AI, Data Processing, Convolutional Neural Networks, Machine Learning Software, Artificial Neural Networks, Machine Learning Algorithms, Data Cleansing, Model Deployment, Machine Learning, Recurrent Neural Networks (RNNs), Dimensionality Reduction
Advanced · Course · 1 - 3 Months

Skills you'll gain: Scala Programming, Data Pipelines, Test Driven Development (TDD), Apache Airflow, Data Lakes, Apache Spark, CI/CD, Apache Kafka, Data Quality, Cloud Engineering, Data Architecture, Performance Tuning, Data Store, Data Transformation, Data Processing, Maintainability, Real Time Data, Development Environment, Data Integrity, Data Access
Intermediate · Course · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Analytics, Network Model, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Case Studies, Business Economics, Information Technology, Data Management, Intellectual Property, Innovation, Accounting
★ 4.6 (120) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Data Presentation, Data Visualization, Excel Macros, Financial Modeling, Data Analysis, Financial Data, Financial Analysis, Statistical Methods, Data Science, Scheduling, Data Security, Data Integrity, Data Manipulation, Data Management
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Event Management, Facility Management, Performance Analysis, Financial Data, Facility Operations, Business Analytics, Law, Regulation, and Compliance, Data-Driven Decision-Making, Analytics, Data Management, People Analytics, Data Literacy, Data Analysis, Performance Measurement, Team Performance Management, Team Management, Regulation and Legal Compliance, Legal Risk, Contract Management, Operations Management
★ 4.8 (36) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Management, Business Reporting, Data Manipulation, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Game Theory, Cyber Security Strategy, Data-Driven Decision-Making, Decision Intelligence, Cybersecurity, Data Science, Algorithms, Machine Learning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics and SEO, Data Storytelling, Driving engagement, Statistical Methods, Statistical Analysis, Technical Communication, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Ethics, Responsible AI, Software Engineering, Full-Stack Web Development, Graph Theory, Data Wrangling, Statistical Machine Learning, File Systems, Database Systems, Spatial Analysis, Exploratory Data Analysis, Theoretical Computer Science, Statistical Hypothesis Testing, SAS (Software), Statistical Methods, Cryptography, Statistical Inference, Object Oriented Programming (OOP), Artificial Intelligence, Text Mining
Degree · 1 - 4 Years

Skills you'll gain: Technical Analysis, Market Dynamics, Economics, International Finance, Financial Analysis, Financial Data, Supply And Demand, Probability, Data Analysis, Advanced Analytics, Financial Policy, Market Data, Risk Modeling, Market Trend, Statistical Analysis, Probability Distribution, Consumer Behaviour, Risk Analysis, Finance, Business
★ 4.8 (16) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Customer Analysis, Sales Strategy, Sales, Data Analysis Software, Data Analysis, Query Languages, Database Software, Trend Analysis, Databases, Customer Insights, Performance Analysis, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Technical Communication, Technical Product Management, Workflow Management, Program Evaluation, Performance Metric, Agile Project Management, Data Analysis, Agile Methodology, Project Management, Analytics, Stakeholder Communications, Project Performance, Data-Driven Decision-Making, AI Integrations, Machine Learning, Large Language Modeling, R Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks