July 30, 2018

Why DJIA App?

Easy to use app allowing you to:

  1. Forecast Dow Jones Industrial Average (DJIA) index for as long as 2 years.

  2. Get confidence in your investment decisions in major US stock market index.

  3. Set clearer goals for your future investments.

Simple Input and Easy to Interpret Output

All you need to do for input is to select number of months for your forecast interval.

For your convenience app provides following output:

  1. Forecast value for the Dow Jones Index.

  2. 80% confidence interval for the index value.

  3. 95% confidence interval for the index value.

  4. Dow Jones index chart starting from March 1, 2007 with forecast values and intervals.

Example of App’s Code

library(quantmod)
library(forecast)
getSymbols("DJI")
mDJ <- to.monthly(DJI)
mDJcl <- Cl(mDJ)
tsDJ <- ts(mDJcl, frequency=12)
model <- ets(tsDJ, model="MMM")
fcast <- forecast(model, h=12)
autoplot(fcast, main="DJIA Index since March 1, 2007",
         xlab="Years", ylab="DJIA Index")

Please see code for the App on this GitHub page.

App is available on Shiny server.

Example of App’s Output

Have Fun Investing

## [1] "DJI"