The parcellation can be visulized in this application, and it will automatically be updated once the user enter new coordinates.

Coursera Develop Data Science Product - Week 2 Leaflet Assignment

In the data cleaning section, I transform the am attribute into factor type. And in the Exploratory Data Analysis section, I use boxplot to show that there might be a significant difference between automotive and manual cars. In the Linear Regression Model section, I fit the data with simple linear regression and multivariate regression and found out that the multivariate regression works better. The result is verified in the Residuals Analysis section.