Java

Subject :Object oriented programming

I have a question & answer

But I need to add something

Question :

Answer:

I need to add 3 columns

Sample moving average (sma)

Exponential moving average (Ema)

Standard division (std)

Follow these instructions

Please rewrite my code & send me a copyable code please.

Promise to give you a thumbs up.

Thank you.

Go to finance.yahoo.com Download data for a stock of your choice. Data download: type in the stock symbol, then go to historical data, select starting date and end date (01/01/2006 to 12/31/2016). save ot as a csv file (comma separated values) Questions Use Adjusted close for all computations Q1: Compute the 20 days moving average: avg(n) avg(n-1) factor close of today (1- factor) Q2: Compute the standard deviation at each day