lib_kernel

Library "lib_kernel"
Library "lib_kernel"

This is a tool / library for developers, that contains several common and adapted kernel functions as well as a kernel regression function and enum to easily select and embed a list into the settings dialog.

How to Choose and Modify Kernels in Practice

Compact Support Kernels (e.g., Epanechnikov, Triangular): Use for localized smoothing and emphasizing nearby data.
Oscillatory Kernels (e.g., Wave, Cosine): Ideal for detecting periodic patterns or mean-reverting behavior.
Smooth Tapering Kernels (e.g., Gaussian, Logistic): Use for smoothing long-term trends or identifying global price behavior.

kernel_Epanechnikov(u)
Parameters:
u (float)

kernel_Epanechnikov_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel_Triangular(u)
Parameters:
u (float)

kernel_Triangular_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel_Rectangular(u)
Parameters:
u (float)

kernel_Uniform(u)
Parameters:
u (float)

kernel_Uniform_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel_Logistic(u)
Parameters:
u (float)

kernel_Logistic_alt(u)
Parameters:
u (float)

kernel_Logistic_alt2(u, sigmoid_steepness)
Parameters:
u (float)
sigmoid_steepness (float)

kernel_Gaussian(u)
Parameters:
u (float)

kernel_Gaussian_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel_Silverman(u)
Parameters:
u (float)

kernel_Quartic(u)
Parameters:
u (float)

kernel_Quartic_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel_Biweight(u)
Parameters:
u (float)

kernel_Triweight(u)
Parameters:
u (float)

kernel_Sinc(u)
Parameters:
u (float)

kernel_Wave(u)
Parameters:
u (float)

kernel_Wave_alt(u)
Parameters:
u (float)

kernel_Cosine(u)
Parameters:
u (float)

kernel_Cosine_alt(u, sensitivity)
Parameters:
u (float)
sensitivity (float)

kernel(u, select, alt_modificator)
wrapper for all standard kernel functions, see enum Kernel comments and function descriptions for usage szenarios and parameters
Parameters:
u (float)
select (series Kernel)
alt_modificator (float)

kernel_regression(src, bandwidth, kernel, exponential_distance, alt_modificator)
wrapper for kernel regression with all standard kernel functions, see enum Kernel comments for usage szenarios. performance optimized version using fixed bandwidth and target
Parameters:
src (float): input data series
bandwidth (simple int): sample window of nearest neighbours for the kernel to process
kernel (simple Kernel): type of Kernel to use for processing, see Kernel enum or respective functions for more details
exponential_distance (simple bool): if true this puts more emphasis on local / more recent values
alt_modificator (float): see kernel functions for parameter descriptions. Mostly used to pronounce emphasis on local values or introduce a decay/dampening to the kernel output

robbatt

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robbatt