Stock Values Display and Prediction

Cristian Bologa
September 26, 2015

Overview

This very small and limited application demonstrates very basic Shiny functionality, as required in the project assignment.

The application displays a number of indicators for 10 selected large technology stocks, and also predicts their Adjusted value for a limited period of time (up to 9 months in the past plus 12 months in the future)

Basic Functionality

  • Use the drop-down menu Choose a stock to change the input$stock variable, causing a new interactive plot to be rendered, in the Display, or Predict tab.
  • While in the Display tab, switch different radio buttons to change the indicator being displayed in the interactiv graph
  • In the Predict tab, change the start of the prediction period (only since the begining of the 2015 until now), and see how the predicted values and intervals change.

Prediction Example

plot of chunk unnamed-chunk-1 The code embeded in this presentation is similar to the one used in the Prediction panel of the Shiny application and shows the actual and predicted values for the Apple stock.

Comments

This demo application is not intended to solve a real world problem, but only to demonstrate basic shiny functionality and satisfy the requirements of the project assignment.

Although it is possible to make it more robust and more general, I chose not to do it in order to make it faster to run and easier for you to evaluate it.

For those reasons I chose to not validate any inputs, and to not retrieve stock market data online, but to download it for only 10 large technology companies.

Thank you for reviewing my work, and good luck in your future classes and your career!