This article is originally published at http://jean9208.github.io/
Trying gradient descent for linear regression
The best way to learn an algorith is to code it. So here it is, my take on Gradient Descent Algorithm for simple linear regression.
First, we fit a simple linear model with lm for comparison with gradient descent values.
#Load libraries library(dplyr) library(highcharter) #Scaling length variables from iris dataset. iris_demo <- iris[,c("Sepal.Length","Petal.Length")] %>% mutate(sepal_length
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