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: Portfolio Risk, Portfolio Management, Risk Modeling, Financial Data, Risk Analysis, Investment Management, Return On Investment, Time Series Analysis and Forecasting, Financial Modeling, Investments, Object Oriented Programming (OOP), Statistical Analysis, General Finance, Correlation Analysis, Simulations, Regression Analysis, Financial Forecasting, Simulation and Simulation Software, Jupyter, Python Programming
★ 4.5 (12) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Time Series Analysis and Forecasting, Python Programming
★ 4.8 (18) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS Kinesis, AWS SageMaker, Data Engineering, Amazon S3, AWS CloudFormation, Amazon Redshift, Data Architecture, Cloud Security, Network Security, Kubernetes, Cloud Management, AWS Identity and Access Management (IAM), Git (Version Control System), Data Loss Prevention, Data Management, Query Languages, Amazon Elastic Compute Cloud, System Monitoring, Cloud Computing, Data Processing
★ 4.3 (9) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Dashboard, Data Transformation, Advanced Analytics, Data Wrangling, Statistical Machine Learning, Data Manipulation, Data Cleansing, Data Processing, SPSS (Software), Analytics, Data Presentation, Data Preprocessing, Data Visualization, Data Analysis, Business Analytics, Statistical Analysis, Statistical Modeling, Predictive Analytics, Data Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, CI/CD, Data Pipelines, Continuous Deployment, Workflow Management, Site Reliability Engineering, Data Engineering, Model Deployment, Data Quality, Version Control, PostgreSQL, Git (Version Control System), Python Programming, Debugging, SQL, Production Management, Scheduling, Unit Testing, Linux Commands, Web Servers
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Data Literacy, Case Studies, Data-Driven Decision-Making, Strategic Decision-Making, Decision Making, Data Quality, Crisis Management, Leadership, Data Strategy, Strategic Leadership, Leadership Development, Data Validation, Data Management, Leadership and Management, Analytical Skills, Digital Transformation, Agile Methodology
★ 4.7 (11) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, Analysis, C and C++, C (Programming Language), Statistical Analysis, Data Presentation, Programming Principles, Computer Programming, Descriptive Statistics
★ 4.7 (93) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Database Design, Data Integrity
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Numerical Analysis, Mechanics, Mathematical Modeling, Physics
★ 4.6 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Remote Access Systems, File Systems, Data Access, Data Storage, File Management, Data Sharing, Network Planning And Design, Distributed Computing, Computer Networking, Servers, Network Protocols, System Configuration, Open Source Technology
★ 5 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Matplotlib, Plot (Graphics), Box Plots, Data Analysis, Descriptive Statistics, Scatter Plots, Data Visualization Software, Histogram, Data Literacy, Statistical Visualization, Seaborn, Descriptive Analytics, Analytical Skills, Statistical Analysis, Correlation Analysis, Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Data Transformation, Real Time Data, Fraud detection, Data Pipelines, Apache Spark, Power BI, PySpark, Performance Tuning, Grafana, Disaster Recovery, Data Architecture, Prometheus (Software), Data Integrity, Scalability, Data Processing, Data Governance, Event-Driven Programming, System Monitoring, Docker (Software)
Intermediate · Specialization · 3 - 6 Months