Function - Linear Regression

Description:
A Function that returns a linear regression channel using (X,Y) vector points.

Inputs:
_X: Array containing x data points.¹
_Y: Array containing y data points.¹

Note:
¹: _X and _Y size must match.

Outputs:
_predictions: Array with adjusted _Y values at _X.
_max_dev: Max deviation from the mean.
_min_dev: Min deviation from the mean.
_stdev/_sizeX: Average deviation from the mean.

Resources:
www.statisticshowto....regression-equation/
en.wikipedia.org/wiki/Linear_regression

ملاحظات الأخبار:

added color, and extend options, removed some test inputs, optimized array creation process slightly.

ملاحظات الأخبار:

corrected a issue reported by: @marketrading001