I need formula and calculation of stochastic and choppiness index

yuvi_kale
Please let me know the calculations of few indicatores used in Streak zerodha or kite zerodha.

What is the parameters used in Stochastic (14, Slow, yes): What is Slow means and what is Yes means and what is their values.
If I want to map this Slow Stochastic with StochD( periods , Ksmooth, DSmooth ) function of Amibroker, then what shall be the Ksmooth and DSmooth.
Similarly

What is the parameters used in Stochastic (14, Fast, yes): What is Fast means and what is Yes means and what is their values.
If I want to map this Fast Stochastic with StochK( periods , Ksmooth) function of Amibroker, then what shall be the Ksmooth.

Calculation of Choppiness Index: Is it
100 * LOG10( SUM(ATR(1), n) / ( MaxHi(n) - MinLo(n) ) ) / LOG10(n)
or something else.
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