How to perform power regression in R

Power regression is a kind of nonlinear regression , In the following form ：

y = ax b

This type of regression is used to simulate the case where the response variable is equal to the power of the prediction variable .

The following step-by-step example shows how to R To perform power regression on a given dataset .

First , Let's create some dummy data for the two variables ：x and y.

x=1:20
y=c(1, 8, 5, 7, 6, 20, 15