example.alpha: Gradient Descent Algorithm - Plots Depicting Gradient Descent...
In gettingtothebottom: Learning Optimization and Machine Learning for Statistics

Description Usage Arguments Author(s) Examples

example.alpha Plots the function values for gradient descent in Example 1 (without the intercept) given a particular value for alpha.

1	example.alpha(alpha)

alpha

Step-size for the gradient descent algorithm.

Jocelyn T. Chi

1 2	example.alpha(0.01) example.alpha(0.12)

Loading required package: ggplot2
Loading required package: grid
Loading required package: Matrix
Minimum function value:
 38.80753

Coefficient(s):
 2.113576

Minimum function value not attained. A better result might be obtained by decreasing the step size or increasing the number of iterations.