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Advanced Machine Learning with R
book

Advanced Machine Learning with R

by Cory Lesmeister, Dr. Sunil Kumar Chinnamgari
May 2019
Intermediate to advanced
664 pages
15h 41m
English
Packt Publishing
Content preview from Advanced Machine Learning with R

Solving the MABP with UCB and Thompson sampling algorithms

In this project, we will use upper confidence limits and Thompson sampling algorithms to solve the MABP. We will compare their performance and strategy in three different situations—standard rewards, standard but more volatile rewards, and somewhat chaotic rewards. Let's prepare the simulation data, and once the data is prepared, we will view the simulated data using the following code:

# loading the required packageslibrary(ggplot2)library(reshape2)# distribution of arms or actions having normally distributed# rewards with small variance# The data represents a standard, ideal situation i.e.# normally distributed rewards, well seperated from each other.mean_reward = c(5, 7.5, 10, ...
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Publisher Resources

ISBN: 9781838641771Supplemental Content