The standard error bands created by Jon Andersen in "Standard error bands" in the September 1996 STOCKS & COMMODITIES.
Function
This script calculates the beta and alpha coefficients of the linear regression. First, it creates the calcB and calcA functions, which refer to the beta and alpha coefficients. Create calcB first, then calcA. These functions are used in calculating the regression coefficients for the standard error bands. In This standard error bands indicator, the "Length" value specifies the period of the linear regression line; the default is 21. The SDeg value specifies the smoothing factor that is used to smooth the linear regression and standard error bands; the default is 3.
Key Signal
LinRegS --> standard error bands center line LinRegS + SErr --> standard error bands upper line LinRegS - SErr --> standard error bands lower line
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Remarks
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Readme
In real life, I am a prolific inventor. I have successfully applied for more than 60 international and regional patents in the past 12 years. But in the past two years or so, I have tried to transfer my creativity to the development of trading strategies. Tradingview is the ideal platform for me. I am selecting and contributing some of the hundreds of scripts to publish in Tradingview community. Welcome everyone to interact with me to discuss these interesting pine scripts.
The scripts posted are categorized into 5 levels according to my efforts or manhours put into these works.
Level 1 : interesting script snippets or distinctive improvement from classic indicators or strategy. Level 1 scripts can usually appear in more complex indicators as a function module or element.
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Level 4 : script snippets or functions that do not disclose source code. Interesting element that can reveal market laws and work as raw material for indicators and strategies. If you find Level 1~2 scripts are helpful, Level 4 is a private version that took me far more efforts to develop.
Level 5 : indicator/strategy that do not disclose source code. private version of Level 3 script with my accumulated script processing skills or a large number of custom functions. I had a private function library built in past two years. Level 5 scripts use many of them to achieve private trading strategy.
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