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: PySpark, Data Pipelines, Apache Spark, Dashboard Creation, Dashboard, Interactive Data Visualization, Data Processing, Real Time Data, Natural Language Processing, Distributed Computing, Deep Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Lakes, Data Migration, Apache Hive, Data Infrastructure, Data Architecture, Apache Spark, Data Maintenance, Data Pipelines, Database Design, Database Management, Performance Tuning, Query Languages, Data Management, Metadata Management, Data Integrity, Data Validation, Transaction Processing, Interoperability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistics, Predictive Modeling, Statistical Programming, Statistical Analysis, Statistical Methods, Data Science, Data Analysis, Statistical Modeling, Histogram, Statistical Visualization, Pandas (Python Package), NumPy, Statistical Inference, Predictive Analytics, Probability, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, jQuery, Javascript and jQuery, Web Development Tools, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Logistic Regression, Model Evaluation, Statistical Inference, Predictive Analytics, R Programming, Predictive Modeling, Probability & Statistics, Statistical Modeling, Statistical Methods, Biostatistics, Regression Analysis, Statistical Analysis, Statistical Hypothesis Testing, Data Analysis, Epidemiology, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Extract, Transform, Load, Data Pipelines, Data Processing, Data Transformation, Data Manipulation, Scripting, Data Import/Export, Debugging, Scripting Languages, Open Source Technology
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metadata Management, Document Management, Vector Databases, Query Languages, Database Management, Data Management, Extract, Transform, Load, Data Maintenance, Data Architecture, LLM Application, Data Pipelines, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Data Visualization, Interactive Data Visualization, Tableau Software, Dashboard, Data Storytelling, Spatial Data Analysis, Data Visualization Software, Peer Review, Dashboard Creation, Data Presentation, Data Integration, Geospatial Mapping, Spatial Analysis, Data Wrangling, Business Intelligence Software, Business Intelligence, Plot (Graphics), Data Manipulation, Data Preprocessing, Data Analysis
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Science and Research, Data Analysis, Research Methodologies
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Dashboard Creation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Dataflow, Google Cloud Platform, NoSQL, Cloud Storage, Data Pipelines, Data Integration, Data Storage Technologies, Data Processing, Big Data, Cloud Management, Data Validation
Beginner · Project · Less Than 2 Hours