Machine Learning Regression Trend

Aug 23, 2023

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Support and Resistance
Machine Learning
Channels
Drawing Tool
Works on the following platforms:
tradingviewSymbolTradingView
For free use on the TradingView platform
ninjatraderNinjaTrader
For free use on the NinjaTrader platform
metatrader4MetaTrader 4
For free use on the MetaTrader 4 platform
metatrader5MetaTrader 5
For free use on the MetaTrader 5 platform
thinkorswimThinkorswim
For free use on the Thinkorswim platform

The Machine Learning Regression Trend tool leverages the power of random sample consensus (RANSAC) to fit and project a linear model by effectively excluding potential outliers. This results in a fitting that is not only more robust but also provides a clearer depiction of the underlying trend.

How to Trade the Machine Learning Regression Trend Tool?

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This innovative tool is employed similarly to a traditional linear regression, but with added benefits. It not only offers vital support and resistance levels but also extends to accurately forecasting potential trends.

The RANSAC algorithm is at the core of this tool’s strength, meticulously filtering out outliers from the data set used in the final fit. Here, outliers are those deviations that detract from identifying the true trend—often caused by volatile market moves or regular fluctuations. Traders dealing in financial markets can find this particularly useful as such deviations typically stem from these volatile price alterations.

By fine-tuning the "Allowed Error" setting, users can adjust the model's sensitivity to outliers. A greater allowed error sets the model to be more sensitive to identifying outliers. The blue margin seen on the charts represents this permissible error band.

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The tool’s calculation can indicate noise levels in the trend by the number of outliers detected, marked by red dots. More outliers generally suggest higher noise in tracking the linear trend.

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When compared against standard linear regression techniques, which do not differentiate points across the calculation window, RANSAC stands out as being inherently conservative. It places a premium on detecting and valuing inliers, thereby enhancing the reliability of its signals.

Understanding the RANSAC Model in Trading

RANSAC is widely recognized for its effectiveness in consummating robust models amidst datasets peppered with outliers. Its application isn't confined solely to linear regression; it’s adaptable across various modeling types.

Here’s how this iterative methodology is applied within the script:

  • Step 1: Randomly select a subset of 2 unique samples from your dataset.
  • Step 2: Execute a linear regression fit for this subset.
  • Step 3: Evaluate the discrepancy between dataset values and the model’s output at each time t. Values falling under the designated error tolerance are flagged as inliers.
  • Step 4: Save the model if the number of inliers surpasses a user-defined threshold.

This process continues iteratively, ceasing only when the stipulated number of iterations have concluded. At this point, the model effectively maximizing the count of inliers is utilized.

Configuration and Settings Overview

  • Length: Dictates the linear regression's calculation window.
  • Width: Defines the channel width of the linear regression.
  • Source: Input data chosen for the regression calculation.

Fine-tuning RANSAC Parameters

  • Minimum Inliers: Establishes the baseline quantity of inliers required for a valid model.
  • Allowed Error: Sets the tolerance standard to identify potential inliers. Users can choose "Auto" for automatic threshold calculations or "Fixed" to apply a user-defined value.
  • Maximum Iterations Steps: Caps the iterations to a manageable number.

FAQ: Machine Learning Regression Trend Tool

How do I access the Machine Learning Regression Trend Tool?

You can get access on the LuxAlgo Library for charting platforms like TradingView, MetaTrader (MT4/MT5), and NinjaTrader for free.

What distinguishes RANSAC from standard linear regression?

Unlike standard regression methods, RANSAC specifically targets and discards outliers, focusing solely on inliers. This conservatism makes it particularly valuable in volatile markets where erratic price moves can distort traditional linear models.

Can RANSAC be used in other modeling applications?

Yes, beyond linear regression, RANSAC’s robust framework is applicable across different modeling approaches where outlier interference is a concern.

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