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Hands-On Predictive Analytics with Python

You're reading from   Hands-On Predictive Analytics with Python Master the complete predictive analytics process, from problem definition to model deployment

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789138719
Length 330 pages
Edition 1st Edition
Languages
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Author (1):
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Alvaro Fuentes Alvaro Fuentes
Author Profile Icon Alvaro Fuentes
Alvaro Fuentes
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Table of Contents (11) Chapters Close

Preface 1. The Predictive Analytics Process FREE CHAPTER 2. Problem Understanding and Data Preparation 3. Dataset Understanding – Exploratory Data Analysis 4. Predicting Numerical Values with Machine Learning 5. Predicting Categories with Machine Learning 6. Introducing Neural Nets for Predictive Analytics 7. Model Evaluation 8. Model Tuning and Improving Performance 9. Implementing a Model with Dash 10. Other Books You May Enjoy

Regressing with neural networks

We will again use our diamonds dataset. Although this is a small dataset and MLP is perhaps a model that is too complicated for this problem, there is no reason we could not use an MLP to solve it; in addition to this, remember that back when we defined the hypothetical problem, we established that the stakeholders wanted a model that was as accurate as possible in their predictions, so let's see how accurate we can get with an MLP. As always, let's import the libraries we will use:

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
import os
%matplotlib inline

Now, since we are beginning from scratch, load and prepare the dataset:

DATA_DIR = '../data'
FILE_NAME = 'diamonds.csv'
data_path = os.path.join(DATA_DIR, FILE_NAME)
diamonds = pd.read_csv(data_path)
## Preparation done from Chapter...
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