Data mining courses can help you learn data preprocessing, pattern recognition, and predictive modeling techniques. You can build skills in clustering, classification, and anomaly detection, that support extracting meaningful insights from large datasets. Many courses introduce tools like Python, R, and SQL, along with software such as RapidMiner and Weka, to help you apply these skills in real-world data analysis projects.

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Database Design, Data Security, Data Visualization Software, Spreadsheet Software, Performance Tuning, Data Access, Performance Improvement, Model Optimization, Data Manipulation
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Import/Export, Tensorflow, Data Preprocessing, Data Processing, Feature Engineering, Data Transformation, Data Sharing, Model Training, Data Management, Performance Tuning, Applied Machine Learning
★ 4.5 (536) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, JSON, Data Structures
★ 4.7 (19) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Data Storytelling, Data Visualization Software, Data Presentation, LLM Application, Data Wrangling, Large Language Modeling
★ 4.1 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Statistical Reporting, Data Cleansing, Data Wrangling, Microsoft Excel, Data Analysis Software, Data Manipulation, Data Preprocessing, Data Quality, Excel Formulas
★ 4.4 (62) · Intermediate · Guided Project · Less Than 2 Hours

Sage Publications
Skills you'll gain: Qualitative Research, Data Analysis, Analysis, Data Quality, Analytical Skills, Research, Research Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Rmarkdown, Data Storytelling, Data Presentation, Data Validation, Spreadsheet Software, Data Visualization, Data Ethics, Tableau Software, Data Visualization Software, Data Analysis, Google Sheets, R (Software), Ggplot2, Analytical Skills, Stakeholder Communications, Presentations, Data Quality, Data Collection, Data Processing
★ 4.9 (4.1K) · Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Data Storytelling, Data Manipulation, Data Presentation, Ggplot2, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Cleansing, Plot (Graphics), R (Software), R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Graphic and Visual Design, Data Import/Export
★ 5 (38) · Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Database Systems, Data Management, Microsoft Azure, Data Transformation, Database Management Systems, Data Integration, Data Governance, Data Storage Technologies, Analytics, Data Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Social Media Analytics, Text Mining, Unstructured Data, Quantitative Research, Data Visualization, Statistical Analysis, Data Presentation, Data Analysis, Statistical Methods, Correlation Analysis, R (Software), Application Programming Interface (API), R Programming, Regression Analysis, Data Collection, Python Programming
★ 4.1 (299) · Intermediate · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: Data Visualization, Data Presentation, Statistical Visualization, Business Reporting, Data Visualization Software, Data Literacy, Data Storytelling, Plot (Graphics), Business Analytics, Histogram, Scatter Plots, Microsoft Excel, Data-Driven Decision-Making, Trend Analysis, Graphing, Descriptive Statistics, Data Analysis, Business Communication, Decision Making, Problem Solving
Beginner · Course · 1 - 4 Weeks