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: Time Series Analysis and Forecasting, SAS (Software), Forecasting, Recurrent Neural Networks (RNNs), Feature Engineering, Statistical Analysis, Data Analysis, Digital Signal Processing, Statistical Methods, Advanced Analytics, Predictive Modeling, Data Transformation, Exploratory Data Analysis, Applied Machine Learning, Machine Learning Methods, Regression Analysis, Unsupervised Learning, Data Preprocessing, Bayesian Statistics, Statistical Modeling
Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: NoSQL, Big Data, File Systems, Databases, Apache Hadoop, Data Architecture, Distributed Computing, Scalability, Database Systems, Cloud Computing, Apache Spark, Public Cloud, Data Processing, Data Storage Technologies, Cloud Services, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Visualization Software, Data Structures, Data Manipulation, Pandas (Python Package), NumPy, Exploratory Data Analysis, Python Programming, Data Preprocessing, Scripting, Scripting Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Databases, Database Management, Data Analysis Expressions (DAX), Advanced Analytics, Data Management, Data Governance, Data Preprocessing, Microsoft Excel, Amazon Web Services, Data Integration, Data Security, Cost Control, Cloud Computing, Spreadsheet Software, Excel Formulas, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, AI Security, Telehealth, Health Technology, Generative AI, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Ethics, Regulatory Compliance, Health Care Procedure and Regulation, Security Strategy, Medical Privacy, Data Security, Analysis, Innovation, Design
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, Data Visualization Software, General Science and Research, GitHub, Statistical Programming, Git (Version Control System), Data Analysis, Exploratory Data Analysis, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Scatter Plots, Histogram, Data Visualization, Data Visualization Software, Statistical Visualization, Data Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Google Cloud Platform, Tensorflow, Data Transformation, Dataflow, Extract, Transform, Load, Data Lakes, Data Import/Export, Feature Engineering, Model Deployment, Real Time Data, Data Warehousing, Data Pipelines, Applied Machine Learning, Apache Kafka, Data Infrastructure, Data Architecture, Data Quality, Data Processing, Apache Spark, Dashboard
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Kafka, Data Transformation, Real Time Data, Fraud detection, Data Pipelines, Apache Spark, Power BI, PySpark, Performance Tuning, Grafana, Disaster Recovery, Data Architecture, Prometheus (Software), Data Integrity, Scalability, Data Processing, Data Governance, Event-Driven Programming, System Monitoring, Docker (Software)
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Time Series Analysis and Forecasting, Portfolio Management, Financial Forecasting, Trend Analysis, Financial Analysis, Analytics, Forecasting, Financial Market, Performance Analysis, Statistical Analysis, Investment Management, Risk Analysis, Regression Analysis, Algorithms, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Precision Medicine, Game Theory, Clinical Trials, Bioinformatics, Data Analysis, Image Analysis, Data-Driven Decision-Making, Analytics, Bayesian Statistics, Data Science, Strategic Decision-Making, Decision Making, Applied Machine Learning, Data Structures, Cybersecurity, Statistical Analysis, Algorithms, Machine Learning Methods, Statistical Hypothesis Testing, Reinforcement Learning
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Manipulation, Tidyverse (R Package), Data Wrangling, Data Analysis, R Programming, Exploratory Data Analysis, Statistical Analysis
Beginner · Guided Project · Less Than 2 Hours