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: SQL, Relational Databases, Microsoft SQL Servers, MySQL, Query Languages, Database Systems, Databases, Database Design, Database Management, Stored Procedure, IBM DB2, Database Development, Data Manipulation, Data Analysis, Transaction Processing
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, R (Software), Ggplot2, Statistical Reporting, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Plot (Graphics), Statistics, Statistical Visualization, Data Wrangling, Data Science, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, Interviewing Skills, Professional Development, Presentations, Data Science, Company, Product, and Service Knowledge, Writing, Business Research, Portfolio Management, Job Analysis, Problem Solving, Communication
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Manipulation, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Azure DevOps, Azure DevOps Pipelines, Power BI, Model Optimization, Data Lakes, Data Architecture, Data Modeling, Performance Tuning, Development Environment, Data Warehousing, Security Controls, Data Store, Data Storage Technologies, Process Optimization, Data Security, Application Deployment, Git (Version Control System), Data Analysis, Python Programming
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Model Optimization, Database Design, Data Warehousing, Data Integration
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Matplotlib, Plot (Graphics), Data Visualization Software, Data Structures, Data Manipulation, Pandas (Python Package), NumPy, Data Processing, Data Wrangling, Python Programming
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Matplotlib, Pandas (Python Package), Plot (Graphics), Data Visualization, Seaborn, Data Manipulation, Data Visualization Software, Pseudocode, Problem Solving, Data Analysis, Programming Principles, Data Processing, AI literacy, Dashboard, Python Programming, Data Science, Computer Programming, Generative AI
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Role-Based Access Control (RBAC), Cloud Security, Data Governance, Secure Coding, Data Security, DevSecOps, Data Management, Infrastructure as Code (IaC), Enterprise Security, Zero Trust Network Access, Application Security, Infrastructure Security, Security Controls, Threat Management, Security Requirements Analysis, Data Quality, Compliance Management, Identity and Access Management
Intermediate · Course · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Cash Flows, Data Visualization, Cash Management, Data Presentation, Business Analytics, Regression Analysis, Financial Acumen, Descriptive Statistics, Financial Accounting, Business Valuation, Cash Flow Forecasting, Competitive Analysis, International Finance, Business Economics, Economics, Financial Policy, Economic Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Security Controls, Scalability, Azure Synapse Analytics, Data Pipelines, Databases, Microsoft Azure, Data Governance, Extract, Transform, Load, Data Lakes, Databricks, NoSQL, Data Processing, Data Management, Big Data, Apache Spark, Dashboard Creation, Interactive Data Visualization, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Security Controls, Scalability, Data Governance, Data Management, Performance Tuning, Microsoft Azure, Metadata Management, IT Security Architecture, Azure Active Directory, Disaster Recovery, Data Security, Big Data, Identity and Access Management, Encryption
Intermediate · Course · 1 - 3 Months