The purpose of the corresponding shiny application is to predict diamond price from carat and selected cut,color and clarity.

• This app loads the diamonds dataset from ggplot2 package
• The dataset contains the prices and other attributes of almost 54,000 diamonds
• You may choose the carat, and select the quality of cut, color and clarity of your diamond to predict the price
• A plot with regression based on your selection is shown with the predicted price highlighted

Carat: 3; Cut: Idea; Color: D; Clarity: IF

Predicted Price (USD): 54998.67

The corresponding shiny application allows the user to choose the carat, and select the quality of cut, color and clarity of the diamond to predict the price, based on regression model generated from the samples selected by the user from the diamonds dataset.

The app can be found at https://zhaohouying.shinyapps.io/ShinyApplication/

The source code can be found at https://github.com/zhaohouying/shinyapplication