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Data Science Projects with Python

You're reading from   Data Science Projects with Python A case study approach to gaining valuable insights from real data with machine learning

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Product type Paperback
Published in Jul 2021
Publisher Packt
ISBN-13 9781800564480
Length 432 pages
Edition 2nd Edition
Languages
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Author (1):
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Stephen Klosterman Stephen Klosterman
Author Profile Icon Stephen Klosterman
Stephen Klosterman
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Toc

Table of Contents (9) Chapters Close

Preface
1. Data Exploration and Cleaning 2. Introduction to Scikit-Learn and Model Evaluation FREE CHAPTER 3. Details of Logistic Regression and Feature Exploration 4. The Bias-Variance Trade-Off 5. Decision Trees and Random Forests 6. Gradient Boosting, XGBoost, and SHAP Values 7. Test Set Analysis, Financial Insights, and Delivery to the Client Appendix

1. Data Exploration and Cleaning

Activity 1.01: Exploring the Remaining Financial Features in the Dataset

Solution:

Before beginning, set up your environment and load in the cleaned dataset as follows:

import pandas as pd
import matplotlib.pyplot as plt #import plotting package
#render plotting automatically
%matplotlib inline
import matplotlib as mpl #additional plotting functionality
mpl.rcParams['figure.dpi'] = 400 #high resolution figures
mpl.rcParams['font.size'] = 4 #font size for figures
from scipy import stats
import numpy as np
df = pd.read_csv('../../Data/Chapter_1_cleaned_data.csv')
  1. Create lists of feature names for the remaining financial features.

    These fall into two groups, so we will make lists of feature names as before, to facilitate analyzing them together. You can do this with the following code:

    bill_feats = ['BILL_AMT1', 'BILL_AMT2', 'BILL_AMT3', \
          ...
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