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Hands-On Automated Machine Learning

You're reading from  Hands-On Automated Machine Learning

Product type Book
Published in Apr 2018
Publisher Packt
ISBN-13 9781788629898
Pages 282 pages
Edition 1st Edition
Languages
Authors (2):
Sibanjan Das Sibanjan Das
Profile icon Sibanjan Das
Umit Mert Cakmak Umit Mert Cakmak
Profile icon Umit Mert Cakmak
View More author details
Toc

Table of Contents (10) Chapters close

Preface 1. Introduction to AutoML 2. Introduction to Machine Learning Using Python 3. Data Preprocessing 4. Automated Algorithm Selection 5. Hyperparameter Optimization 6. Creating AutoML Pipelines 7. Dive into Deep Learning 8. Critical Aspects of ML and Data Science Projects 9. Other Books You May Enjoy

An example system

In this section, you will write a wrapper function to optimize the XGBoost algorithm hyperparameters to improve performance on the Breast Cancer Wisconsin dataset:

# Importing necessary libraries
import numpy as np
from xgboost import XGBClassifier
from sklearn import datasets
from sklearn.model_selection import cross_val_score

# Importing ConfigSpace and different types of parameters
from smac.configspace import ConfigurationSpace
from ConfigSpace.hyperparameters import CategoricalHyperparameter, \
UniformFloatHyperparameter, UniformIntegerHyperparameter
from ConfigSpace.conditions import InCondition

# Import SMAC-utilities
from smac.tae.execute_func import ExecuteTAFuncDict
from smac.scenario.scenario import Scenario
from smac.facade.smac_facade import SMAC

# Creating configuration space.
# Configuration space will hold all of your hyperparameters
cs = ConfigurationSpace...
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