How to do it...

We start by importing the remaining libraries we need:

  1. Import the required libraries:
import osimport numpy as npimport pandas as pdimport itertoolsimport warningsimport stringimport matplotlib.pyplot as pltfrom nltk.corpus import stopwordsfrom nltk.stem import WordNetLemmatizerfrom sklearn.feature_extraction.text import CountVectorizerfrom sklearn.feature_extraction.text import TfidfVectorizerfrom sklearn.model_selection import train_test_splitfrom sklearn.naive_bayes import MultinomialNBfrom sklearn.metrics import confusion_matrixfrom sklearn.model_selection import GridSearchCVfrom sklearn.ensemble import RandomForestClassifierfrom sklearn.metrics import classification_reportfrom sklearn.metrics import roc_auc_score as ...

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