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.

Northeastern University
Skills you'll gain: Classification Algorithms, Exploratory Data Analysis, Data Mining, Model Evaluation, Dimensionality Reduction, Regression Analysis, Machine Learning Algorithms, Data Analysis, Analytics, Predictive Modeling, Statistical Analysis, Data Preprocessing, Case Studies, Applied Machine Learning, Supervised Learning, Performance Metric, Project Implementation, Logistic Regression, Decision Tree Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Classification And Regression Tree (CART), Dashboard Creation, Dashboard, Decision Intelligence, Descriptive Statistics, Root Cause Analysis, Data Analysis, Predictive Modeling, Advanced Analytics, Tableau Software, Scikit Learn (Machine Learning Library), Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, Apache Spark, Keras (Neural Network Library), Retrieval-Augmented Generation, Reinforcement Learning, Apache Kafka, SQL
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis Software, Data Analysis, Advanced Analytics, Interactive Data Visualization, Data Manipulation, Data Presentation, Data Transformation, Data Sharing, Embeddings
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Customer Analysis, Data Integration, Data Visualization, Data Analysis, Customer Insights, Data-Driven Decision-Making, Data Analysis Software, Exploratory Data Analysis, Customer Retention, Analytics, Data Visualization Software
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Presentation, Dashboard Creation, Business Reporting, Business Intelligence Software, Data Analysis Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Statistical Methods, Advanced Analytics, Statistical Analysis, Statistical Reporting, Correlation Analysis, Data Analysis, Report Writing, Analytics, Analysis, Analytical Skills, Quantitative Research, People Analytics, Workflow Management, Business Analytics, Data-Driven Decision-Making, Business Process Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Structures, Feature Engineering, MLOps (Machine Learning Operations), Java Programming, Java, Performance Tuning, Data Processing, Applied Machine Learning, System Monitoring, Scalability, Performance Analysis, Memory Management, Benchmarking, Graph Theory, Program Implementation
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Data Import/Export, Data Analysis, Analytics, Google Cloud Platform, Query Languages, Cloud Computing
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Governance, Data Strategy, Data Management, Data Pipelines, Data Integrity, General Data Protection Regulation (GDPR), Data Quality, Dataflow, Technical Communication, Personally Identifiable Information, Compliance Auditing, Jira (Software), Issue Tracking, Data Analysis, Regulation and Legal Compliance, Project Planning, Data Storage, Process Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Security Assertion Markup Language (SAML), Encryption, Single Sign-On (SSO), Amazon Web Services, Active Directory, Authentications, Cloud Security, Data Security, User Provisioning, Azure Active Directory, Key Management, User Accounts, AWS CloudFormation, Authorization (Computing), Network Security, Cloud Computing, Virtual Private Networks (VPN)
Advanced · Course · 1 - 3 Months