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.

EIT Digital
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Data Analysis, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Classification And Regression Tree (CART), Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Data Storytelling, Feature Engineering, Data Visualization, Supervised Learning, Dimensionality Reduction, Data Integration, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Technical Communication, Data Analysis, Applied Machine Learning, Data Visualization Software, Matlab, Regression Analysis, Data Processing, Descriptive Statistics, Data Cleansing, Predictive Modeling, Data Manipulation
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Quality, Data Management, Technical Communication, Data Analysis, Data-Driven Decision-Making, Statistical Analysis, Data Science, Statistical Machine Learning, Statistical Inference, Statistics, A/B Testing, Statistical Modeling
Mixed · Course · 1 - 4 Weeks

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

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Data Collection, Due Diligence, Big Data, Analytics, Investment Management, Financial Market, Business Ethics, Sustainable Business, Portfolio Management, Accountability, Artificial Intelligence, Machine Learning, Natural Language Processing
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: SQL, Database Management, Database Design, Relational Databases, Databases, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, Statistical Analysis, Machine Learning Algorithms, Data Analysis, Data Visualization, Exploratory Data Analysis, Data Science, Statistical Programming, Statistical Machine Learning, Statistical Methods, Data Cleansing, Analytics, R (Software), Statistical Software, Applied Machine Learning, Regression Analysis, Probability & Statistics, Forecasting, Statistical Modeling, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Splunk, Security Controls, Data Pipelines, Data Infrastructure, Systems Administration, System Configuration, Identity and Access Management, Configuration Management, Debugging, Performance Tuning, Software Architecture, Enterprise Architecture, Distributed Computing, Data Management
Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Database Management Systems, Big Data, Apache Hadoop, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Cleansing, Matlab, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Manipulation, Data Mapping, Scripting
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Extract, Transform, Load, Data Processing, Data Import/Export, Semantic Web, Generative AI, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Mining, Big Data, Predictive Analytics, Analytics, Data Modeling, MySQL, Business Analytics, Apache Hadoop, Star Schema, Unstructured Data, Database Design, SQL, Data Transformation
Intermediate · Course · 1 - 3 Months