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: Data Warehousing, Extract, Transform, Load, IBM DB2, Star Schema, PostgreSQL, Snowflake Schema, Data Mart, Data Architecture, Data Modeling, Database Design, Database Systems, Data Lakes, Data Integration, Query Languages, Data Validation, Data Cleansing, SQL, Data Quality
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Storytelling, Data Ethics, Data Analysis, Data-Driven Decision-Making, Analytics, Workflow Management, Data Science, Advanced Analytics, Analytical Skills, Business Solutions, Technical Communication, Process Design, Project Management, Communication, Stakeholder Communications, Machine Learning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Database Administration, Data Warehousing, Extract, Transform, Load, SQL, Data Pipelines, Database Architecture and Administration, Database Design, Database Management, Relational Databases, Linux Commands, IBM Cognos Analytics, Apache Kafka, Bash (Scripting Language), Apache Airflow, Shell Script, IBM DB2, Data Transformation, Data Visualization, Data Store, Data Architecture
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Model Evaluation, Data Cleansing, Data Preprocessing, Data Manipulation, Data Analysis, Data Processing, Model Training, Scatter Plots, Statistical Analysis, Predictive Modeling, Regression Analysis, Statistical Methods, Data Transformation, Feature Engineering, Data Import/Export, Scientific Visualization, Data Visualization, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Model Deployment, Feature Engineering, PySpark, Data Import/Export, Big Data, Apache Spark, Data Governance, Apache Hadoop, Dashboard, Apache Kafka, Data Store, Cloud Services, Cloud Deployment, Data Access, Cloud API, Data Architecture, Data Quality, Data Cleansing, Machine Learning Methods
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Matplotlib, NumPy, Python Programming, Data Presentation, Pandas (Python Package), Analytical Skills, Plot (Graphics), Data Analysis, Data Visualization Software, Analysis, Data-Driven Decision-Making, Scripting, Analytics, Numerical Analysis, Data Manipulation, Graphing, Product Automation, Data Processing, Programming Principles, Data Validation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Mining, Unsupervised Learning, Data Science, Anomaly Detection, Machine Learning Methods, Statistical Methods, Linear Algebra, Python Programming, Classification Algorithms
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Business Metrics, Key Performance Indicators (KPIs), Performance Metric, Data Cleansing, Data Modeling, Analytics, Data Analysis, Data Visualization, Business Analytics, Analytical Skills, Exploratory Data Analysis, Data Quality, Data Manipulation, Generative AI, Data Collection, Data Management, Marketing
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Visualization, Data Presentation, Regression Analysis, Data Storytelling, Advanced Analytics, Statistical Analysis, Data Analysis, Statistical Modeling, Applied Machine Learning, Statistical Methods, Analytical Skills, Data Science, Exploratory Data Analysis, Predictive Modeling, Machine Learning Methods, Artificial Intelligence, Python Programming, AI literacy, Machine Learning, Portfolio Management
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Data Management, General Data Protection Regulation (GDPR), Data Warehousing, Star Schema, Personally Identifiable Information, Information Privacy, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Quality, Extract, Transform, Load
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Data Warehousing, Machine Learning Methods, Supervised Learning, Data Pipelines, Data Preprocessing, Classification Algorithms, Data Processing, Data Modeling, Decision Tree Learning, Data Science, Data Management, Machine Learning Algorithms, Data Cleansing, Model Evaluation, Analytical Skills, Ideation, Exploratory Data Analysis
Build toward a degree
Intermediate · Specialization · 1 - 3 Months