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.

Universidad Nacional Autónoma de México
Skills you'll gain: R (Software), R Programming, Statistical Programming, Ggplot2, Plot (Graphics), Data Manipulation, Simulations, Statistical Software, Statistical Visualization, grep, Data Processing, Graphing, Programming Principles, Data Import/Export, Exploratory Data Analysis, Data Structures, Software Installation, Package and Software Management
★ 4.7 (8.6K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Dashboard Creation, Peer Review, Data Presentation, Presentations, Data Visualization, Interactive Data Visualization, Plot (Graphics), Data Cleansing, Business Intelligence, Real Time Data, Data Manipulation, Business Intelligence Software, Data Quality, Data Transformation, Data Integration, Data Analysis, Data Visualization Software
★ 4.7 (79) · Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Pandas (Python Package), Data Visualization, Descriptive Statistics, Data Manipulation, Data Transformation, Data Analysis, Statistics, Statistical Analysis, Data Management
★ 4.6 (7) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Store, Data Infrastructure, Data Storage, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Metadata Management, Data Transformation
★ 3.8 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Analytical Skills, Dashboard Creation, Excel Formulas, Spreadsheet Software, Dashboard, Data Analysis, IBM Cognos Analytics, Pivot Tables And Charts, Data Analysis Software, Analysis, Data Visualization Software, Data Cleansing
★ 4.6 (334) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Generative AI, Anomaly Detection, Text Mining, Advanced Analytics, Predictive Modeling, Unstructured Data, AI Workflows, Data Analysis, Natural Language Processing, Predictive Analytics, Statistical Analysis, Data-Driven Decision-Making, Time Series Analysis and Forecasting, Forecasting, Model Evaluation, Data Quality
★ 4.7 (58) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Dataflow, Analytics, Data Science, Databases, Data Integration, SQL, Query Languages, File I/O, Data Architecture, Distributed Computing, Performance Tuning
★ 4.6 (9) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Data Visualization, Plot (Graphics), Scientific Visualization, Data Visualization Software, Image Quality, Software Installation
★ 4.3 (16) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Modeling, Data Transformation, Data Processing, Data Warehousing, Data Preprocessing, Apache Hadoop, Extract, Transform, Load, Data Pipelines, Apache Spark, Feature Engineering, Star Schema, Applied Machine Learning, Real Time Data
★ 4.5 (97) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, OpenAI, Data Storytelling, Analytics, Prompt Engineering Tools, Dashboard Creation, AI literacy, Data Analysis, Interactive Data Visualization, Data Ethics, Responsible AI, Prompt Engineering, Data Synthesis, Python Programming, Data Processing, SQL, Query Languages
★ 4.6 (182) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Pivot Tables And Charts, Data Manipulation, Data Import/Export, NumPy, Time Series Analysis and Forecasting, Business Reporting, Data Wrangling, Jupyter, Data Visualization, Microsoft Excel, Plot (Graphics), Data Transformation, Data Analysis, Data Cleansing, Data Preprocessing, Analytics, Performance Reporting, Data Processing, Python Programming
★ 4.8 (23) · Beginner · Specialization · 1 - 3 Months

University of Huddersfield
Skills you'll gain: Linear Algebra, Graph Theory, Statistical Software, Computational Logic, Integral Calculus, Matplotlib, Probability & Statistics, Statistical Programming, Plot (Graphics), Calculus, R Programming, Differential Equations, Data Processing, Data Visualization Software, Applied Mathematics, Theoretical Computer Science, Logical Reasoning, General Mathematics, Advanced Mathematics, Mathematical Modeling
Degree · 1 - 4 Years