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.

Meta
Skills you'll gain: Data Storytelling, Business Metrics, Key Performance Indicators (KPIs), Data Management, Data Collection, Data Governance, Bayesian Statistics, Data Visualization, Descriptive Statistics, Statistical Hypothesis Testing, Information Privacy, Data Cleansing, Pandas (Python Package), Data Quality, Data Analysis, Data Visualization Software, Spreadsheet Software, Exploratory Data Analysis, SQL, Python Programming
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Visualization, Data Ethics, Statistical Hypothesis Testing, Exploratory Data Analysis, Data Presentation, Data Visualization Software, Feature Engineering, Regression Analysis, Sampling (Statistics), Descriptive Statistics, Advanced Analytics, Data Analysis, Tableau Software, Statistical Analysis, Data Science, Machine Learning, Object Oriented Programming (OOP), Interviewing Skills, Python Programming
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Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: Big Data, Data Analysis, Statistical Analysis, Apache Hadoop, Data Wrangling, Apache Hive, Data Collection, Data Mart, Data Science, Data Warehousing, Data Visualization, Analytics, Data Cleansing, Apache Spark, Data Lakes, Data Visualization Software, Microsoft Excel
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Peer Review, Jupyter, Data Literacy, Data Mining, Data Modeling, Data Collection, Business Analysis, Relational Databases, Stored Procedure, Databases, Data Science, Big Data, Computer Programming Tools, Query Languages, Decision Tree Learning, Predictive Modeling, GitHub, Cloud Computing, Python Programming
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Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Literacy, Data Mining, Big Data, Cloud Computing, Data Analysis, Data Science, Digital Transformation, Data-Driven Decision-Making, Deep Learning, Machine Learning, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Interactive Data Visualization, Storyboarding, Storytelling, Data Visualization Software, Infographics, Data Ethics, Data Literacy, Data-Driven Decision-Making, Data Analysis, Drive Engagement
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Data Cleansing, Statistical Methods, Statistical Modeling, Data Visualization, Statistics, R (Software), Data Analysis, Descriptive Statistics, Box Plots, Data Visualization Software, Histogram, Probability, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Unsupervised Learning, Big Data, Supervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Data Analysis, Anomaly Detection, Machine Learning Algorithms, Advanced Analytics, Statistical Analysis, Predictive Modeling, Network Analysis, Exploratory Data Analysis, Bayesian Statistics, Algorithms, Artificial Neural Networks, Scalability
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Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Apache Airflow, Data Modeling, Data Pipelines, Data Storage, Data Architecture, Requirements Analysis, Data Processing, Data Warehousing, Query Languages, Apache Hadoop, Extract, Transform, Load, Data Lakes, Amazon Web Services, File Systems, Apache Spark, Database Systems, Feature Engineering, Data Integration, AWS Kinesis, Data Management
Intermediate · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Security Information and Event Management (SIEM), Network Monitoring, Network Analysis, Intrusion Detection and Prevention, Event Monitoring, Continuous Monitoring, Threat Detection, Incident Response
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Store, Extract, Transform, Load, Data Architecture, Data Pipelines, Big Data, Data Warehousing, Data Governance, Apache Hadoop, Relational Databases, Apache Spark, Data Lakes, Databases, SQL, NoSQL, Data Security, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Rmarkdown, Data Visualization, Data Presentation, Data Ethics, Data Cleansing, Ggplot2, R (Software), Data Validation, Tableau Software, Sampling (Statistics), Presentations, Spreadsheet Software, Data Analysis, LinkedIn, Dashboard, Data Structures, Python Programming, Interviewing Skills, Professional Development
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Beginner · Professional Certificate · 3 - 6 Months