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.

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Visualization, Dashboard Creation, Business Intelligence, Dashboard, 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: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Geospatial Information and Technology, Data Wrangling, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Data Literacy, Data Visualization, Statistical Visualization, Data-Driven Decision-Making, Data Visualization Software, Plot (Graphics), Data Preprocessing, Data Mining, Exploratory Data Analysis, Data Cleansing, Data Processing, Unstructured Data, Big Data, Programming Principles, Python Programming, Data Structures, NumPy
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Calculus, Data Analysis Software, Mathematical Software, Applied Mathematics, Data Analysis, Analysis, Mathematical Theory & Analysis, Derivatives, Advanced Mathematics, Graphing, Algebra
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Microsoft Access, Database Systems, Databases, Relational Databases, Data Integrity, Data Validation, Database Management, Data Entry, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Qualitative Research, Market Research, Quantitative Research, Data-Driven Decision-Making, Benchmarking, Data Presentation, Descriptive Statistics, Competitive Analysis, Analytical Skills, Brand Awareness, Research Design, Market Dynamics, Data Collection, Data Literacy, Data Analysis, ChatGPT, Data Analysis Software, Microsoft Excel, R Programming
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Engineering, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Integration, Data Warehousing, Software Engineering Tools, Data Import/Export, Stored Procedure, Data Sharing, SQL, Data Analysis, GitHub, Microsoft Visual Studio, Command-Line Interface, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Computer Graphics, Computer Graphic Techniques, Graphic and Visual Design, Typography, Visual Design, Design, Python Programming, Analytical Skills
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Seaborn, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Regression Analysis, Statistical Visualization, Box Plots, Data Analysis, Statistical Reporting, Visualization (Computer Graphics), Data Analysis Software, Design, C and C++, Build Tools
Intermediate · Course · 1 - 4 Weeks