Gaussian Channel [DW]

This study is an experiment utilizing the Ehlers Gaussian Filter technique combined with lag reduction techniques and true range to analyze trend activity.
Gaussian filters, as Ehlers explains it, are simply exponential moving averages applied multiple times.
First, beta and alpha are calculated based on the sampling period and number of poles specified. The maximum number of poles available in this script is 9.
Next, the data being analyzed is given a truncation option for reduced lag, which can be enabled with "Reduced Lag Mode".
Then the alpha and source values are used to calculate the filter and filtered true range of the dataset.
Filtered true range with a specified multiplier is then added to and subtracted from the filter, generating a channel.
Lastly, a one pole filter with a N pole alpha is averaged with the filter to generate a faster filter, which can be enabled with "Fast Response Mode".

Custom bar colors are included.

Note: Both the sampling period and number of poles directly affect how much lag the indicator has, and how smooth the output is.
Larger inputs will result in smoother outputs with increased lag, and smaller inputs will have noisier outputs with reduced lag.
For the best results, I recommend not setting the sampling period any lower than the number of poles + 1. Going lower truncates the equation.
Note di rilascio: Updates:

Huge shoutout to @e2e4mfck for taking the time to improve the calculation method!
-> migrated to v4
-> pi is now calculated using trig identities rather than being explicitly defined.
-> The filter calculations are now organized into functions rather than being individually defined.
-> Revamped color scheme.
Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

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@DonovanWall How should I interpret the thickness of the channel?
+8 Rispondi
DonovanWall longtermgoals
@longtermgoals, The thickness of the channel is really subjective preference. It could be used to capture volatility within it, or it could be used as a buffer zone for bullish and bearish breakouts.
what does mean grean and red in the indicator?
+6 Rispondi
Can I get this Gaussian indicator
+5 Rispondi
JackOfAllTrades0 doctordreylive
@doctordreylive, copy and paste....
+2 Rispondi
ShukriMahadi JackOfAllTrades0
@JackOfAllTrades0, copy and paste to where?
if you use the "Fast Response Mode" is this going to change the channel within a candle?
+4 Rispondi
you are an artist (: ,keep the good work up.
+2 Rispondi
thanks @DonovanWall
really nice script.
+1 Rispondi
I just found this update, excellent work @e2e4mfck and @DonovanWall, thank you!

One tiny improvement, change line 101 to:
beta = (1 - cos(4*asin(1)/per)) / (pow(sqrt(2), 2/N) - 1)

ie Replace 1.414 with it's proper full value of root 2
+1 Rispondi
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