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: Plotly, Histogram, Interactive Data Visualization, Scatter Plots, Plot (Graphics), Data Visualization, Data Analysis, Python Programming
★ 4.8 (10) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Logistic Regression, SAS (Software), Predictive Analytics, Data Analysis Software, Predictive Modeling, Advanced Analytics, Data Validation, Feature Engineering, Statistical Software, Model Evaluation, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Modeling, Exploratory Data Analysis, Statistical Methods, Small Data, Statistical Programming, Statistical Hypothesis Testing, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Relational Databases, Data Visualization, Data Store, Web Scraping, Database Management, Scatter Plots, Data Manipulation, SQL, JSON, Application Programming Interface (API), Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Business Intelligence, Data-Driven Decision-Making, Business Intelligence Software, Data Modeling, Microsoft Power Platform, Snowflake Schema, Data Transformation, Extract, Transform, Load, Data Storytelling, Data Strategy, Data Integration, Data Cleansing, Process Improvement and Optimization, Data Analysis, Data Management, Data Governance, Data Quality, Relationship Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization, Dashboard Creation, Business Intelligence, Interactive Data Visualization, Data Presentation, Business Intelligence Software, Presentations, Data Storytelling, Business Analytics, Data Visualization Software, Data Analysis, Advanced Analytics, Revenue Forecasting, Trend Analysis, Spatial Data Analysis, Forecasting, Data Cleansing, Data Preprocessing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Model Optimization, Data Preprocessing, Model Training, Model Deployment, Statistical Analysis, Performance Metric, Deposit Accounts
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Data Governance, Microsoft Azure, Data Lakes, Real Time Data, Data Management, Data Integration, Data Pipelines, Metadata Management, Data Import/Export, User Provisioning, Performance Tuning
★ 4.9 (7) · Advanced · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data-Driven Marketing, Big Data, Customer Insights, Personally Identifiable Information, Data Literacy, Advertising, Strategic Thinking, Data Collection, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Governance, Data Management, Apache Spark, PySpark, Databricks, Record Keeping
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Qualitative Research, Case Studies, Interviewing Skills, Research Methodologies, Research, Data Collection, Culture, Psychology
★ 4.7 (27) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Manipulation, Statistical Analysis, R (Software), Analytical Skills, Ggplot2, Data Storytelling, R Programming, Statistical Methods, Data Wrangling, Data Transformation, Quantitative Research, Data Visualization Software, Data Science, Applied Machine Learning, Data Preprocessing, Probability & Statistics, Scatter Plots, Business Analytics, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Classification And Regression Tree (CART), Dashboard Creation, Dashboard, Decision Intelligence, Descriptive Statistics, Root Cause Analysis, Data Analysis, Predictive Modeling, Advanced Analytics, Tableau Software, Scikit Learn (Machine Learning Library), Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, Apache Spark, Keras (Neural Network Library), Retrieval-Augmented Generation, Reinforcement Learning, Apache Kafka, SQL
Intermediate · Specialization · 3 - 6 Months