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: Marketing Analytics, Dashboard, Dashboard Creation, Data-Driven Marketing, Data Presentation, Data Visualization, Predictive Modeling, Data-Driven Decision-Making, Marketing Strategies, Predictive Analytics, Marketing, Data Visualization Software, Market Data, Data Analysis, Forecasting, Data Collection, Strategic Decision-Making
★ 3.8 (13) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: MarTech, Data Architecture, Data-Driven Marketing, Digital Marketing Tools, Digital Marketing, Marketing Strategies, AI Personalization, Marketing Analytics, Digital Analysis, Data-Driven Decision-Making, Blockchain, Consumer Behaviour, Data Integrity, Image Analysis, Data Ethics, Analytics, Generative AI, Performance Measurement
★ 4.5 (3.4K) · Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Model Evaluation, Data Mining, Supervised Learning, Unsupervised Learning, Service Level, Dimensionality Reduction, Deep Learning, Statistical Modeling, Probability, Applied Machine Learning, Anomaly Detection, Machine Learning Algorithms, Statistical Inference, Statistical Hypothesis Testing, Statistical Machine Learning, Model Training, Data Warehousing, Performance Testing, Bash (Scripting Language), Data Science
Graduate Certificate · 6 - 12 Months

Coursera
Skills you'll gain: Workflow Management, Data Entry, Organizational Skills, Process Management, Operational Efficiency, Project Management Software, Editing, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Visualization, Data Presentation, Data Science, Computer Programming
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (110) · Beginner · Specialization · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Data Literacy, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Metadata Management, Google Cloud Platform, Data Mining, Big Data, Exploratory Data Analysis, Data Management, Cloud API
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Minitab, Data Analysis, Statistical Hypothesis Testing, Regression Analysis, Descriptive Statistics, Statistical Analysis, Data Analysis Software, Predictive Modeling, Statistical Software, Analytics, Statistical Modeling, Descriptive Analytics, Predictive Analytics, Data-Driven Decision-Making, Statistical Reporting, Statistical Methods, Statistical Inference
★ 4.7 (15) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Market Intelligence, Competitive Intelligence, Competitive Analysis, Market Research, Market Analysis, Market Data, Market Trend, Market Opportunities, Market Dynamics, Trend Analysis, Demand Planning, Business Reporting, Research Reports, Report Writing, Data Collection, Product Strategy, Forecasting, Data Validation, Time Series Analysis and Forecasting, Research Methodologies
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), JSON, Apple iOS, iOS Development, Data Persistence, Data Store, Mobile Development, Application Programming Interface (API), Data Modeling, UI Components, Network Protocols, User Interface (UI)
★ 4.6 (137) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Integral Calculus, Algebra, Numerical Analysis, Calculus, Graphing, Applied Mathematics, Data Science, Mathematics and Mathematical Modeling, Data Analysis, Data Modeling, Statistical Methods, Probability & Statistics, Derivatives, Mathematical Theory & Analysis
★ 4.5 (479) · Intermediate · Specialization · 3 - 6 Months