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 Wrangling, Exploratory Data Analysis, Database Design, Data Presentation, Ggplot2, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Predictive Modeling, Statistical Analysis, Data Analysis, Rmarkdown, Model Evaluation, Shiny (R Package), SQL, R (Software), Data Manipulation, Web Scraping
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development
Beginner · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Database Design, MySQL, Relational Databases, SQL, Database Management, Data Modeling, Query Languages, Databases, Big Data, Business Analysis, Data Analysis
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Surveys, Survey Creation, Data Synthesis, Research Methodologies, Statistical Analysis, Data Analysis Software, Data Collection, Statistical Software, Interviewing Skills, Research Design, STATA (Software), R (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Statistical Programming, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Spark, PySpark, Data Engineering, Data Pipelines, Data Lakes, Data Governance, Databricks, Data Manipulation, Data Transformation, Data Processing, Performance Tuning, Data Access, Real Time Data, Data Capture, Devops Tools, DevOps, Apache
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Matplotlib, Plot (Graphics), Trend Analysis, Data Analysis, Data Literacy, Environmental Social And Corporate Governance (ESG), Scientific Visualization, Climate Change Programs, Pivot Tables And Charts, Time Series Analysis and Forecasting, Market Data, Sustainable Business, Data Storytelling, Anomaly Detection, Data Visualization Software, Sustainability Standards, Report Writing, Technical Communication
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Statistical Programming, Statistical Software, Data Analysis Software, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Statistical Modeling, Regression Analysis, Data Analysis, Logistic Regression
Mixed · 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: Star Schema, Power BI, Data Modeling, Data Analysis Expressions (DAX), Model Optimization, Snowflake Schema, Database Design, Performance Tuning, Data Analysis, Business Intelligence, Data Visualization, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Regression Analysis, Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Anomaly Detection, Supervised Learning, Analytical Skills, Machine Learning, Model Evaluation, Machine Learning Algorithms, Data Analysis, Data Mining, Data Preprocessing, Predictive Modeling, Statistical Analysis, Logistic Regression, Model Training, Statistical Machine Learning
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Database Management Systems, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), Query Languages, PostgreSQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Business Analytics, Analytics, Data Quality, Data Integration, AI literacy, Data Ethics, Data Cleansing, Responsible AI, Artificial Intelligence, Data Analysis, LLM Application, Machine Learning
Beginner · Course · 1 - 4 Weeks