Azure Machine Learning studio is a drag-and-drop tool for building, testing, and deploying predictive analytics solutions. It publishes models as web services that can be consumed by apps or tools like Excel. Machine Learning Studio is where data science, predictive analytics, cloud resources, and data meet. It provides an interactive workspace to develop models by manipulating and analyzing data with various functions. Modules in Machine Learning Studio perform algorithms on data, ranging from data ingestion to training, scoring, and validation. Data Science Virtual Machines on Azure provide pre-configured environments for machine learning with tools like Python, R, and Spark.