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.

LearnQuest
Skills you'll gain: Core Data (Software), JSON, Apple iOS, iOS Development, Data Persistence, Data Store, Mobile Development, Application Programming Interface (API), Data Modeling, UI Components, Network Protocols, User Interface (UI)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Flow Diagrams (DFDs), Apache Airflow, Data Pipelines, Diagram Design, Data Mapping, Data Modeling, Data Integration, Data Architecture, Data Warehousing, Apache Spark, Extract, Transform, Load, Database Development, Data Processing, Data Transformation, Configuration Management, Enterprise Security
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Cleansing, Data Manipulation, Data Integration, R Programming, Data Wrangling, Data Preprocessing, Tidyverse (R Package), Data Processing, R (Software), Data Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Lakes, Data Warehousing, Data Pipelines, Data Architecture, Cloud Engineering, Cloud Storage, Google Cloud Platform, Data Storage, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Correlation Analysis, Plot (Graphics), Matplotlib, Seaborn, Data Cleansing, Data Visualization, Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Data Science, Statistical Analysis, Data Wrangling, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Customer Analysis, Big Data, Data Processing, Advanced Analytics, Statistical Modeling, Text Mining, Customer Insights, Risk Modeling, Data Preprocessing, Unstructured Data, Simulation and Simulation Software, Data Manipulation, Marketing Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, Generative AI, Generative Model Architectures, LLM Application, Generative Adversarial Networks (GANs), Hugging Face, Data Pipelines, PyTorch (Machine Learning Library), Natural Language Processing, Data Preprocessing, Model Training, Recurrent Neural Networks (RNNs)
Intermediate · Course · 1 - 4 Weeks

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Molecular Biology, Data Collection, Data Processing, Research, Science and Research, General Science and Research, Laboratory Techniques, Analysis, Research Methodologies, Research Design
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Debugging, Automation, Python Programming, Data Structures, Programming Principles, Scripting Languages, Development Environment, Scripting, Data Manipulation, Other Programming Languages, File Management, Data Validation, Package and Software Management, Software Installation
Beginner · Course · 3 - 6 Months

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Investments, Performance Analysis, Risk Modeling, R Programming, R (Software), Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Market Data, Financial Modeling, Financial Forecasting, Financial Data, Statistical Programming, Risk Management, Correlation Analysis, Regression Analysis, Data Manipulation
Beginner · Course · 1 - 4 Weeks