This indicator allow to show the EMA of the price similar to GDAX user interface.
The purpose of this indicator is twice:
Allowing the user to show a double EMA with the possibility to show when a EMA crossing happens.
Showing in a more user friendly interface the GDAX ema line.
As a matter of fact is proven that those 2 EMA act as support/resistance...
Pretty viz of how correlated/uncorrelated price of coins BTC ETH LTC BCH are on GDAX.
From the ref:
"Correlation coefficient. Describes the degree to which two series tend to deviate from their sma values."