Import python packages

import nltk
import numpy as np
import scipy as sc
import matplotlib.pyplot as plt
from nltk.corpus import stopwords
from nltk.corpus import movie_reviews
from nltk.tokenize import word_tokenize,sent_tokenize
from sklearn.svm import SVC , LinearSVC , NuSVC
from sklearn.naive_bayes import MultinomialNB,BernoulliNB
from sklearn.linear_model import LogisticRegression,SGDClassifier

A Practical Example: Wine Tasting Description with Variety Attribute

SVM Classifier

import numpy as np
from sklearn.naive_bayes import MultinomialNB
from sklearn.feature_extraction.text import CountVectorizer
import pandas as pd
from collections import Counter
from sklearn.model_selection import train_test_split
from sklearn.feature_extraction.text import TfidfTransformer

df = pd.read_csv(infile)

counter = Counter(df['variety'].tolist())
top_20_varieties = {i[0]: idx for idx, i in enumerate(counter.most_common(20))}

df = df[df['variety'].map(lambda x: x in top_20_varieties)]

description_list = df['description'].tolist()
varietal_list = [top_20_varieties[i] for i in df['variety'].tolist()]
varietal_list

## [2, 0, 0, 7, 14, 3, 5, 17, 8, 14, 12, 7, 11, 0, 5, 9, 2, 4, 3, 16, 12, 6, 2, 5, 1, 1, 9, 8, 2, 14, 0, 0, 2, 0, 5, 10, 8, 18, 3, 1, 3, 5, 1, 19, 10, 4, 2, 8, 8, 1, 0, 2, 8, 0, 15, 1, 1, 1, 16, 7, 2, 2, 3, 13, 1, 2, 6, 3, 0, 9, 3, 1, 7, 2, 5, 6, 1, 3, 15, 3, 2, 3, 1, 14, 5, 0, 16, 3, 6, 13, 2, 1, 0, 3, 2, 13, 0, 7, 2, 11, 19, 2, 14, 12, 7, 15, 5, 17, 8, 2, 8, 11, 3, 19, 3, 16, 8, 5, 10, 6, 7, 4, 2, 3, 19, 2, 0, 4, 3, 15, 5, 3, 0, 10, 3, 0, 3, 6, 5, 1, 1, 13, 0, 1, 0, 3, 1, 18, 10, 0, 0, 7, 3, 0, 0, 11, 9, 5, 5, 1, 3, 0, 9, 2, 12, 8, 2, 6, 4, 3, 5, 5, 3, 1, 17, 3, 8, 0, 1, 2, 3, 10, 3, 6, 6, 1, 7, 6, 6, 8, 10, 3, 2, 2, 3, 2, 10, 2, 0, 12, 2, 8, 0, 1, 19, 4, 1, 0, 2, 3, 10, 19, 12, 2, 9, 4, 0, 6, 6, 7, 3, 15, 10, 17, 6, 16, 17, 2, 13, 4, 4, 0, 0, 9, 1, 5, 4, 16, 19, 12, 8, 9, 6, 6, 16, 11, 3, 8, 6, 14, 17, 6, 1, 0, 8, 5, 1, 2, 6, 1, 5, 2, 9, 3, 0, 3, 1, 5, 2, 18, 0, 13, 2, 6, 1, 0, 1, 13, 13, 1, 2, 1, 5, 7, 9, 1, 18, 1, 6, 14, 9, 18, 16, 0, 15, 11, 1, 10, 0, 0, 10, 13, 7, 13, 1, 3, 5, 3, 11, 10, 3, 0, 9, 10, 0, 1, 5, 5, 1, 2, 8, 10, 0, 4, 4, 8, 18, 13, 10, 11, 8, 2, 1, 10, 0, 5, 17, 2, 3, 4, 5, 1, 15, 6, 3, 3, 5, 13, 0, 0, 4, 2, 2, 4, 4, 0, 1, 2, 5, 1, 8, 5, 3, 1, 18, 4, 6, 7, 1, 0, 7, 18, 5, 1, 11, 18, 0, 4, 6, 1, 10, 0, 3, 13, 1, 14, 0, 7, 16, 5, 17, 3, 0, 1, 0, 2, 1, 1, 15, 3, 2, 10, 5, 8, 16, 0, 5, 5, 18, 1, 12, 1, 14, 9, 5, 17, 16, 1, 1, 8, 2, 18, 1, 0, 1, 1, 16, 6, 7, 2, 1, 16, 15, 0, 0, 11, 1, 0, 1, 5, 18, 3, 0, 13, 3, 1, 1, 1, 1, 4, 19, 11, 0, 18, 6, 10, 0, 15, 14, 1, 12, 14, 1, 1, 3, 3, 0, 17, 3, 18, 8, 0, 12, 16, 3, 18, 0, 10, 1, 4, 2, 15, 8, 0, 18, 0, 16, 8, 8, 0, 14, 2, 4, 2, 1, 0, 4, 7, 1, 0, 7, 6, 0, 11, 11, 4, 6, 3, 2, 3, 1, 4, 12, 1, 0, 11, 8, 0, 15, 11, 1, 2, 7, 15, 2, 13, 3, 2, 0, 8, 17, 9, 1, 1, 2, 4, 1, 1, 7, 0, 15, 2, 3, 0, 2, 17, 8, 0, 13, 2, 0, 8, 5, 6, 3, 8, 19, 11, 5, 8, 1, 0, 15, 16, 13, 4, 12, 7, 10, 7, 0, 8, 13, 5, 9, 5, 17, 6, 10, 3, 5, 0, 13, 7, 12, 13, 3, 0, 9, 14, 4, 16, 0, 11, 7, 0, 6, 1, 5, 11, 2, 1, 1, 1, 4, 7, 0, 14, 1, 6, 2, 2, 3, 7, 11, 2, 16, 0, 3, 0, 1, 2, 4, 4, 0, 10, 3, 3, 0, 0, 2, 6, 15, 2, 4, 12, 9, 2, 2, 8, 0, 12, 8, 4, 3, 19, 1, 0, 12, 6, 7, 8, 7, 9, 5, 5, 12, 8, 0, 19, 3, 3, 1, 1, 2, 10, 1, 7, 2, 1, 0, 15, 11, 2, 3, 0, 1, 6, 7, 17, 16, 0, 6, 2, 17, 14, 14, 0, 4, 2, 3, 11, 3, 3, 13, 0, 0, 4, 0, 10, 7, 2, 10, 1, 2, 4, 7, 1, 4, 7, 9, 4, 1, 3, 2, 6, 0, 2, 2, 6, 8, 14, 0, 1, 3, 7, 8, 2, 1, 7, 2, 6, 8, 0, 9, 1, 1, 19, 10, 14, 2, 18, 0, 12, 4, 1, 5, 2, 3, 0, 14, 0, 3, 0, 18, 12, 12, 1, 3, 9, 17, 4, 12, 5, 7, 0, 19, 0, 5, 8, 2, 13, 10, 0, 5, 2, 0, 1, 0, 15, 0, 3, 5, 15, 2, 15, 0, 19, 5, 2, 2, 4, 0, 7, 0, 10, 7, 3, 2, 6, 4, 19, 4, 1, 0, 2, 15, 0, 9, 9, 9, 12, 2, 2, 5, 19, 16, 6, 11, 8, 4, 15, 2, 0, 8, 14, 8, 0, 2, 3, 17, 17, 3, 11, 0, 2, 2, 18, 3, 0, 12, 15, 2, 4, 3, 6, 4, 3, 12, 13, 2, 0, 3, 4, 0, 10, 0, 0, 1, 7, 2, 0, 6, 7, 5, 6, 7, 0, 3, 11, 14, 11, 16, 0, 8, 12, 1, 4, 0, 13, 6, 5, 10, 18, 5, 2, 3, 0, 9, 9, 12, 17, 3, 3, 6, 3, 9, 1, 15, 1, 18, 0, 9, 3, 3, 8, 1, 0, 0, 7, 18, 7, 4, 5, 1, 2, 0, 0, 1, 19, 4, 12, 0, 8, 8, 1, 8, 0, 11, 18, 0, 1, 3, 0, 2, 3, 2, 7, 5, 1, 4, 4, 2, 0, 8, 2, 12, 4, 3, 1, 17, 7, 13, 8, 7, 4, 0, 1, 10, 0, 13, 1, 8, 2, 12, 1, 6, 9, 8, 4, 18, 1, 14, 2, 7, 2, 4, 5, 13, 4, 14, 11, 9, 19, 8, 0, 19, 7, 13, 16, 1, 9, 2, 7, 17, 9, 9, 2, 4, 5, 6, 1, 15, 13, 19, 6, 1, 4, 5, 2, 2, 3, 9, 13, 2, 5, 0, 8, 1, 2, 3, 2, 11, 13, 2, 2, 2, 16, 10, 5, 9, 1, 3, 19, 7, 16, 4, 0, 5, 19, 4, 13, 14, 6, 2, 7, 3, 0, 6, 17, 17, 7, 2, 16, 9, 1, 1, 3, 8, 9, 8, 6, 4, 2, 9, 4, 4, 10, 1, 6, 15, 0, 11, 2, 1, 3, 1, 0, 11, 0, 5, 9, 7, 0, 2, 7, 2, 5, 14, 11, 12, 13, 12, 5, 5, 15, 10, 3, 17, 2, 0, 3, 14, 1, 11, 0, 1, 0, 0, 2, 3, 3, 5, 16, 16, 5, 8, 7, 0, 4, 4, 4, 4, 1, 17, 1, 3, 3, 9, 18, 0, 15, 3, 0, 0, 11, 16, 2, 1, 5, 1, 1, 5, 3, 8, 18, 2, 1, 7, 3, 9, 9, 3, 2, 1, 2, 13, 1, 8, 1, 8, 0, 1, 1, 18, 12, 9, 1, 3, 1, 14, 0, 7, 1, 0, 3, 10, 5, 6, 4, 3, 2, 16, 7, 2, 8, 2, 2, 18, 17, 13, 7, 1, 1, 10, 10, 1, 0, 1, 3, 14, 17, 6, 0, 3, 0, 4, 6, 18, 7, 6, 0, 3, 6, 1, 1, 0, 7, 11, 2, 5, 0, 5, 5, 2, 6, 4, 2, 1, 2, 1, 3, 10, 2, 7, 12, 13, 2, 1, 4, 0, 2, 3, 0, 11, 3, 2, 4, 3, 8, 1, 10, 16, 9, 2, 5, 13, 8, 5, 4, 18, 11, 6, 3, 4, 0, 0, 2, 10, 12, 7, 1, 15, 10, 2, 1, 1, 6, 3, 3, 1, 13, 0, 0, 2, 1, 3, 5, 1, 13, 1, 7, 1, 4, 14, 4, 1, 3, 5, 2, 6, 14, 4, 5, 2, 4, 2, 1, 0, 4, 4, 0, 1, 15, 3, 0, 18, 12, 4, 7, 4, 0, 0, 2, 2, 4, 18, 1, 1, 0, 0, 2, 1, 4, 0, 2, 2, 9, 1, 16, 4, 15, 0, 2, 11, 14, 5, 6, 3, 9, 8, 4, 2, 2, 16, 2, 2, 14, 7, 1, 16, 2, 1, 1, 0, 17, 8, 5, 13, 0, 1, 11, 3, 5, 14, 0, 19, 10, 3, 1, 11, 7, 2, 1, 3, 13, 3, 14, 2, 3, 0, 8, 5, 2, 6, 3, 16, 0, 2, 2, 4, 0, 0, 7, 8, 12, 7, 14, 8, 3, 5, 1, 7, 3, 5, 11, 1, 7, 3, 2, 8, 10, 3, 6, 15, 10, 6, 0, 12, 6, 16, 1, 13, 2, 0, 6, 0, 1, 14, 3, 7, 14, 10, 7, 19, 0, 5, 17, 3, 6, 0, 0, 1, 1, 15, 1, 9, 3, 14, 1, 13, 11, 4, 8, 0, 4, 5, 0, 2, 12, 8, 4, 9, 0, 19, 0, 13, 1, 0, 3, 16, 16, 3, 2, 17, 1, 1, 3, 6, 13, 0, 17, 5, 0, 0, 0, 0, 4, 11, 1, 10, 0, 0, 2, 4, 8, 6, 7, 2, 10, 4, 5, 0, 1, 1, 4, 11, 9, 6, 8, 0, 4, 13, 2, 0, 0, 8, 7, 1, 0, 5, 12, 3, 12, 1, 16, 14, 2, 6, 18, 4, 2, 18, 5, 11, 11, 15, 3, 0, 8, 4, 0, 3, 3, 12, 1, 7, 0, 13, 8, 2, 0, 5, 17, 2, 10, 0, 1, 9, 3, 4, 0, 6, 2, 1, 14, 14, 9, 0, 6, 12, 3, 15, 14, 13, 2, 14, 16, 0, 7, 6, 8, 2, 3, 11, 3, 0, 19, 1, 16, 0, 12, 0, 13, 2, 0, 7, 7, 6, 6, 19, 2, 0, 7, 16, 6, 19, 5, 7, 0, 5, 1, 1, 16, 9, 6, 3, 2, 3, 1, 1, 2, 2, 0, 0, 14, 1, 14, 3, 5, 7, 9, 1, 5, 9, 3, 2, 4, 7, 8, 15, 1, 1, 16, 1, 1, 4, 6, 2, 9, 0, 1, 11, 4, 1, 3, 13, 0, 2, 1, 1, 1, 2, 18, 2, 8, 14, 7, 2, 0, 10, 7, 5, 0, 8, 0, 0, 8, 12, 1, 2, 10, 0, 9, 14, 19, 13, 0, 17, 2, 3, 3, 1, 2, 0, 2, 9, 4, 12, 7, 4, 4, 9, 3, 1, 11, 11, 4, 4, 2, 18, 12, 6, 6, 2, 4, 1, 7, 7, 0, 0, 0, 14, 15, 9, 3, 7, 1, 1, 2, 3, 3, 19, 5, 8, 2, 7, 0, 6, 0, 5, 4, 1, 2, 1, 2, 14, 5, 1, 2, 2, 4, 18, 10, 18, 0, 2, 3, 17, 2, 4, 16, 13, 8, 2, 16, 5, 0, 0, 11, 12, 6, 1, 7, 0, 10, 5, 0, 4, 5, 14, 0, 1, 2, 1, 2, 4, 8, 13, 13, 11, 5, 6, 19, 2, 0, 0, 3, 7, 1, 11, 14, 15, 14, 5, 7, 3, 10, 4, 16, 10, 3, 0, 1, 7, 8, 8, 0, 6, 0, 3, 7, 1, 16, 0, 5, 0, 9, 6, 12, 10, 13, 15, 2, 4, 1, 2, 4, 0, 0, 1, 12, 11, 3, 3, 17, 14, 2, 5, 12, 2, 2, 0, 7, 3, 3, 0, 1, 16, 0, 19, 1, 8, 4, 4, 0, 8, 5, 8, 2, 9, 8, 0, 12, 2, 2, 2, 3, 16, 2, 0, 15, 2, 0, 4, 2, 0, 6, 1, 13, 4, 2, 2, 17, 11, 13, 1, 1, 1, 1, 1, 2, 0, 3, 4, 1, 2, 7, 6, 17, 1, 13, 15, 3, 1, 7, 4, 9, 2, 18, 16, 2, 5, 2, 2, 3, 13, 8, 4, 14, 2, 5, 1, 8, 12, 11, 0, 19, 3, 2, 7, 6, 2, 8, 3, 5, 0, 15, 0, 1, 0, 7, 8, 2, 2, 0, 3, 0, 10, 0, 14, 5, 18, 10, 18, 17, 3, 3, 3, 11, 18, 4, 0, 2, 2, 0, 4, 2, 16, 3, 0, 0, 2, 3, 0, 0, 10, 7, 8, 0, 0, 0, 16, 2, 5, 0, 7, 2, 0, 6, 1, 1, 12, 5, 1, 8, 12, 3, 7, 0, 11, 3, 1, 4, 15, 10, 2, 12, 7, 3, 19, 5, 7, 16, 1, 3, 18, 13, 18, 2, 9, 2, 2, 6, 13, 1, 4, 1, 18, 0, 5, 4, 8, 2, 0, 1, 15, 5, 0, 13, 0, 16, 3, 7, 5, 2, 3, 0, 2, 2, 0, 1, 5, 2, 7, 12, 4, 13, 2, 13, 8, 18, 13, 1, 11, 8, 4, 12, 8, 2, 1, 2, 1, 1, 1, 6, 1, 15, 2, 3, 0, 14, 12, 4, 16, 5, 4, 3, 3, 6, 3, 5, 6, 0, 10, 11, 6, 3, 1, 19, 0, 9, 4, 1, 2, 14, 1, 2, 2, 5, 2, 7, 0, 0, 6, 4, 14, 15, 8, 4, 5, 13, 3, 5, 1, 10, 9, 1, 0, 2, 0, 2, 5, 7, 1, 0, 2, 14, 1, 6, 1, 4, 5, 7, 2, 10, 11, 3, 0, 3, 0, 3, 10, 7, 2, 7, 15, 8, 2, 13, 8, 1, 0, 3, 0, 0, 9, 2, 1, 1, 9, 7, 5, 1, 9, 3, 4, 5, 1, 15, 1, 12, 0, 4, 1, 5, 0, 12, 1, 8, 14, 3, 5, 2, 2, 17, 8, 0, 6, 0, 1, 2, 2, 3, 10, 18, 5, 2, 1, 14, 6, 14, 1, 2, 6, 2, 8, 1, 0, 14, 13, 5, 0, 5, 6, 0, 1, 9, 7, 3, 1, 0, 18, 6, 1, 5, 5, 2, 14, 14, 6, 1, 3, 6, 11, 2, 14, 7, 0, 0, 0, 2, 2, 2, 2, 3, 8, 2, 18, 1, 3, 16, 1, 9, 14, 6, 7, 0, 1, 10, 11, 1, 2, 3, 16, 1, 1, 15, 6, 15, 13, 7, 15, 0, 4, 2, 0, 1, 14, 4, 3, 10, 7, 9, 15, 12, 10, 17, 3, 19, 0, 4, 11, 2, 16, 9, 0, 4, 6, 0, 8, 0, 14, 6, 6, 13, 2, 3, 1, 15, 7, 8, 2, 8, 7, 3, 3, 12, 0, 17, 9, 3, 11, 1, 0, 2, 4, 4, 5, 2, 0, 6, 2, 0, 1, 3, 8, 1, 3, 11, 2, 3, 6, 1, 5, 2, 0, 9, 5, 4, 10, 16, 3, 4, 8, 14, 4, 3, 0, 16, 1, 5, 1, 7, 0, 17, 3, 0, 1, 9, 16, 6, 0, 1, 2, 0, 2, 15, 8, 1, 8, 3, 0, 0, 2, 9, 8, 2, 0, 10, 1, 1, 0, 0, 15, 0, 4, 2, 8, 1, 0, 7, 3, 9, 2, 4, 11, 8, 1, 2, 16, 0, 7, 11, 6, 3, 2, 5, 19, 0, 9, 18, 8, 5, 6, 0, 9, 1, 4, 8, 5, 0, 1, 13, 1, 1, 3, 0, 14, 16, 0, 8, 7, 12, 12, 0, 3, 9, 0, 11, 6, 2, 18, 0, 7, 2, 17, 6, 3, 10, 13, 10, 15, 6, 1, 7, 5, 2, 4, 10, 14, 4, 0, 2, 19, 7, 4, 3, 12, 0, 0, 7, 1, 0, 4, 6, 2, 0, 0, 7, 0, 5, 1, 3, 4, 2, 2, 0, 0, 6, 7, 0, 4, 0, 0, 17, 2, 4, 12, 2, 0, 7, 4, 16, 13, 8, 10, 3, 1, 9, 9, 5, 5, 1, 7, 0, 11, 1, 12, 1, 5, 6, 1, 4, 7, 4, 4, 4, 4, 5, 0, 13, 1, 1, 5, 0, 1, 3, 4, 2, 3, 3, 0, 1, 11, 4, 4, 1, 9, 7, 5, 7, 0, 3, 5, 3, 1, 0, 4, 7, 9, 8, 2, 0, 3, 12, 10, 10, 2, 13, 10, 7, 3, 2, 18, 0, 7, 6, 10, 12, 6, 4, 3, 2, 15, 5, 8, 7, 2, 2, 0, 3, 16, 2, 5, 3, 16, 6, 13, 4, 3, 10, 1, 2, 18, 6, 4, 7, 7, 4, 17, 0, 5, 14, 5, 1, 2, 3, 3, 0, 7, 3, 0, 5, 19, 0, 2, 15, 14, 7, 3, 2, 4, 5, 5, 8, 1, 19, 2, 0, 4, 2, 1, 7, 1, 8, 5, 0, 9, 8, 0, 5, 8, 4, 0, 6, 4, 0, 17, 5, 2, 4, 10, 10, 1, 0, 2, 2, 2, 1, 1, 1, 6, 3, 3, 1, 8, 17, 0, 3, 8, 13, 13, 8, 10, 12, 7, 1, 2, 2, 0, 14, 1, 6, 16, 3, 0, 8, 6, 1, 8, 3, 5, 0, 0, 9, 1, 2, 9, 1, 0, 2, 5, 17, 4, 2, 0, 4, 5, 1, 1, 0, 1, 0, 5, 6, 6, 0, 3, 0, 0, 4, 1, 11, 9, 2, 3, 18, 8, 5, 2, 8, 9, 0, 15, 2, 0, 9, 5, 12, 1, 0, 1, 11, 11, 19, 18, 8, 8, 13, 1, 15, 0, 14, 4, 17, 16, 3, 5, 6, 1, 11, 3, 0, 3, 17, 1, 11, 7, 12, 6, 5, 1, 11, 1, 13, 6, 3, 0, 2, 2, 7, 1, 4, 16, 10, 1, 3, 15, 0, 12, 9, 11, 6, 0, 6, 10, 6, 12, 0, 5, 15, 11, 5, 7, 0, 2, 10, 10, 1, 0, 3, 16, 14, 2, 19, 5, 8, 6, 14, 0, 1, 1, 17, 6, 2, 18, 10, 0, 1, 15, 15, 7, 6, 1, 1, 0, 12, 0, 5, 1, 14, 1, 1, 1, 12, 1, 3, 0, 6, 1, 1, 0, 15, 3, 5, 9, 18, 19, 9, 9, 1, 18, 19, 7, 0, 4, 1, 13, 2, 0, 7, 3, 3, 2, 1, 13, 4, 11, 2, 0, 1, 2, 9, 11, 1, 4, 15, 12, 17, 13, 16, 17, 0, 6, 6, 11, 3, 3, 3, 14, 2, 9, 7, 9, 14, 17, 2, 19, 12, 18, 13, 7, 6, 9, 2, 5, 15, 1, 0, 6, 1, 11, 2, 1, 0, 5, 2, 12, 8, 4, 0, 3, 2, 8, 16, 6, 0, 15, 4, 1, 0, 7, 5, 10, 9, 4, 8, 5, 11, 13, 5, 0, 3, 11, 5, 7, 12, 5, 9, 2, 1, 10, 1, 10, 0, 17, 3, 5, 2, 5, 7, 8, 0, 10, 6, 4, 1, 4, 8, 1, 3, 4, 0, 18, 1, 5, 15, 1, 6, 18, 3, 6, 3, 1, 3, 1, 0, 7, 8, 1, 4, 3, 5, 5, 10, 9, 4, 1, 9, 11, 7, 2, 6, 7, 0, 3, 1, 11, 0, 2, 8, 11, 3, 7, 7, 11, 19, 1, 3, 11, 1, 1, 10, 5, 12, 0, 4, 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12, 14, 1, 5, 1, 2, 4, 1, 1, 14, 16, 1, 3, 14, 4, 6, 4, 11, 8, 6, 4, 12, 5, 15, 17, 6, 1, 1, 19, 7, 2, 7, 2, 5, 2, 18, 14, 6, 9, 0, 10, 11, 0, 19, 6, 11, 8, 3, 3, 3, 3, 19, 1, 12, 5, 7, 0, 10, 1, 4, 11, 19, 2, 2, 4, 9, 1, 4, 0, 18, 6, 2, 3, 5, 14, 2, 2, 7, 5, 1, 19, 2, 1, 14, 1, 2, 9, 1, 10, 2, 2, 8, 3, 3, 2, 3, 5, 2, 5, 4, 16, 1, 8, 14, 2, 10, 15, 6, 2, 2, 10, 9, 1, 8, 9, 17, 14, 4, 3, 4, 12, 2, 1, 9, 13, 2, 0, 4, 2, 2, 5, 4, 0, 13, 11, 1, 0, 5, 8, 18, 14, 0, 1, 1, 15, 10, 0, 8, 5, 1, 3, 4, 1, 1, 0, 3, 2, 1, 1, 10, 11, 8, 9, 6, 0, 2, 4, 1, 1, 0, 2, 0, 2, 1, 6, 0, 1, 6, 0, 3, 7, 1, 1, 7, 15, 4, 18, 9, 2, 15, 11, 3, 6, 16, 7, 0, 6, 5, 7, 12, 7, 0, 2, 2, 3, 18, 5, 12, 17, 4, 9, 4, 5, 0, 7, 1, 7, 7, 12, 2, 1, 2, 1, 1, 0, 1, 3, 5, 2, 1, 11, 2, 6, 6, 12, 0, 6, 1, 6, 5, 11, 5, 2, 14, 15, 9, 15, 0, 14, 1, 0, 1, 12, 3, 14, 11, 18, 4, 5, 8, 18, 0, 1, 10, 0, 2, 8, 8, 4, 9, 3, 3, 8, 2, 0, 4, 2, 1, 4, 5, 1, 7, 2, 3, 0, 3, 1, 0, 4, 13, 10, 6, 2, 10, 18, 1, 3, 5, 3, 11, 6, 2, 2, 1, 1, 5, 3, 1, 6, 6, 4, 15, 10, 10, 3, 1, 2, 7, 17, 8, 19, 1, 3, 1, 4, 0, 2, 3, 7, 8, 18, 1, 7, 1, 1, 15, 13, 1, 16, 2, 0, 3, 3, 1, 19, 1, 10, 3, 4, 1, 2, 0, 3, 3, 6, 5, 6, 8, 0, 6, 3, 16, 2, 12, 0, 5, 9, 11, 2, 4, 5, 3, 18, 3, 13, 1, 7, 1, 12, 9, 4, 3, 14, 15, 5, 1, 2, 1, 3, 1, 0, 1, 1, 1, 2, 3, 2, 7, 4, 7, 9, 2, 7, 5, 6, 3, 1, 3, 19, 12, 18, 3, 12, 1, 6, 10, 13, 1, 10, 7, 7, 0, 2, 3, 2, 13, 12, 2, 2, 2, 6, 8, 5, 1, 5, 12, 17, 6, 13, 12, 5, 1, 12, 17, 2, 10, 3, 8, 1, 16, 13, 2, 3, 7, 16, 4, 3, 10, 6, 2, 8, 10, 13, 8, 2, 4, 6, 0, 9, 1, 12, 2, 15, 3, 6, 7, 13, 2, 5, 2, 12, 4, 12, 1, 4, 8, 6, 7, 5, 0, 11, 8, 1, 6, 7, 14, 0, 19, 2, 1, 4, 11, 3, 2, 2, 0, 14, 2, 11, 1, 3, 18, 3, 1, 6, 0, 0, 12, 8, 8, 5, 1, 10, 1, 1, 0, 0, 2, 1, 16, 4, 1, 8, 5, 0, 3, 15, 8, 0, 2, 2, 6, 11, 3, 9, 0, 4, 14, 8, 3, 4, 3, 1, 9, 2, 19, 5, 2, 4, 8, 5, 2, 11, 6, 4, 3, 4, 3, 4, 1, 1, 4, 2, 5, 11, 4, 0, 18, 2, 16, 5, 8, 0, 2, 0, 8, 4, 8, 5, 9, 1, 11, 2, 0, 9, 5, 7, 0, 1, 19, 1, 6, 1, 8, 1, 6, 8, 12, 0, 3, 0, 19, 15, 11, 2, 12, 5, 0, 8, 4, 9, 4, 1, 17, 3, 2, 0, 1, 11, 10, 3, 3, 18, 16, 2, 1, 14, 2, 3, 1, 0, 11, 6, 0, 1, 6, 5, 7, 12, 0, 11, 6, 2, 8, 8, 11, 0, 1, 5, 2, 11, 5, 4, 19, 1, 4, 4, 16, 12, 4, 1, 1, 7, 5, 0, 8, 1, 7, 5, 0, 10, 7, 8, 2, 0, 1, 4, 16, 1, 0, 1, 0, 10, 7, 4, 2, 0, 3, 3, 1, 9, 15, 3, 2, 3, 5, 6, 11, 2, 3, 0, 10, 4, 3, 3, 0, 5, 0, 1, 0, 2, 9, 6, 1, 5, 0, 8, 1, 0, 7, 13, 9, 15, 4, 5, 2, 9, 14, 2, 16, 3, 9, 2, 3, 1, 8, 1, 1, 0, 5, 12, 0, 1, 18, 5, 5, 9, 4, 15, 3, 1, 11, 0, 11, 0, 0, 13, 1, 3, 11, 6, 2, 5, 3, 10, 10, 1, 13, 2, 14, 1, 5, 1, 3, 2, 5, 0, 0, 9, 5, 8, 2, 3, 5, 11, 1, 3, 6, 13, 15, 5, 5, 15, 2, 14, 3, 5, 7, 17, 17, 0, 13, 3, 3, 0, 14, 5, 13, 4, 16, 1, 0, 10, 14, 0, 0, 6, 2, 8, 17, 7, 6, 0, 12, 0, 9, 1, 6, 2, 8, 3, 6, 4, 0, 1, 2, 4, 19, 0, 5, 0, 5, 19, 11, 3, 10, 7, 12, 3, 14, 1, 1, 4, 17, 7, 2, 0, 14, 4, 1, 6, 0, 1, 5, 1, 8, 10, 2, 13, 7, 3, 1, 0, 2, 6, 14, 4, 1, 11, 1, 15, 1, 17, 12, 2, 5, 4, 8, 13, 3, 2, 0, 7, 1, 16, 1, 4, 6, 2, 7, 17, 0, 3, 2, 2, 9, 4, 4, 5, 1, 11, 2, 7, 6, 3, 6, 9, 6, 15, 0, 16, 4, 1, 1, 16, 9, 2, 4, 1, 11, 3, 2, 5, 2, 2, 2, 18, 2, 2, 6, 3, 0, 7, 5, 2, 6, 3, 14, 2, 13, 4, 18, 9, 13, 2, 1, 5, 11, 6, 10, 2, 17, 4, 8, 4, 7, 3, 1, 10, 6, 16, 11, 2, 7, 7, 7, 2, 1, 13, 13, 2, 2, 3, 6, 10, 2, 8, 7, 16, 7, 0, 0, 9, 10, 3, 7, 5, 1, 10, 1, 2, 4, 0, 2, 19, 5, 2, 13, 0, 3, 3, 2, 0, 0, 11, 6, 9, 10, 5, 13, 1, 19, 7, 12, 1, 3, 7, 3, 17, 2, 4, 1, 3, 10, 0, 18, 5, 0, 13, 4, 9, 4, 0, 10, 3, 1, 8, 18, 2, 18, 2, 1, 2, 6, 1, 0, 0, 7, 15, 19, 7, 2, 14, 5, 3, 4, 8, 1, 2, 1, 17, 0, 4, 0, 5, 4, 5, 16, 0, 3, 11, 12, 11, 1, 3, 17, 10, 8, 8, 5, 7, 2, 2, 9, 1, 0, 0, 16, 0, 17, 6, 14, 0, 6, 2, 5, 5, 8, 2, 1, 5, 14, 5, 9, 6, 2, 2, 1, 4, 17, 2, 0, 0, 1, 0, 13, 10, 6, 17, 0, 8, 9, 3, 9, 8, 18, 0, 2, 14, 1, 1, 0, 2, 11, 2, 0, 2, 12, 13, 13, 0, 3, 14, 3, 0, 9, 11, 9, 8, 1, 15, 7, 0, 4, 4, 7, 19, 3, 10, 4, 1, 2, 7, 13, 1, 0, 12, 10, 3, 12, 16, 11, 19, 5, 5, 9, 13, 1, 3, 2, 2, 8, 0, 16, 4, 9, 4, 7, 1, 6, 11, 7, 9, 4, 2, 0, 15, 0, 9, 17, 3, 3, 3, 4, 2, 4, 7, 7, 7, 0, 14, 18, 13, 3, 7, 12, 2, 0, 5, 3, 14, 2, 10, 1, 0, 15, 2, 0, 0, 5, 0, 7, 0, 6, 18, 16, 8, 16, 3, 2, 7, 9, 1, 16, 9, 6, 8, 2, 2, 7, 0, 8, 13, 14, 0, 2, 0, 0, 9, 0, 16, 1, 4, 12, 11, 1, 15, 0, 10, 6, 1, 3, 0, 5, 0, 17, 2, 1, 9, 0, 1, 15, 9, 0, 13, 4, 2, 5, 2, 3, 0, 12, 7, 8, 9, 11, 15, 0, 3, 0, 3, 2, 0, 7, 16, 2, 6, 2, 2, 4, 1, 1, 19, 1, 1, 0, 6, 13, 3, 17, 15, 3, 6, 6, 7, 7, 2, 1, 4, 15, 5, 6, 18, 11, 3, 1, 0, 11, 4, 11, 1, 1, 4, 6, 2, 3, 1, 10, 4, 10, 1, 8, 0, 2, 4, 1, 2, 8, 1, 0, 4, 19, 13, 3, 10, 15, 19, 8, 1, 4, 3, 17, 10, 3, 1, 12, 2, 2, 2, 5, 0, 16, 19, 18, 7, 9, 1, 0, 2, 13, 9, 1, 6, 4, 3, 1, 1, 10, 10, 5, 2, 3, 6, 9, 1, 1, 5, 11, 7, 15, 16, 3, 6, 3, 13, 0, 3, 2, 3, 19, 0, 3, 14, 0, 1, 16, 12, 9, 12, 13, 2, 1, 1, 1, 5, 5, 5, 1, 16, 13, 4, 3, 2, 2, 5, 7, 0, 15, 2, 5, 4, 4, 3, 13, 2, 1, 6, 4, 15, 1, 11, 17, 1, 2, 17, 3, 8, 4, 7, 2, 1, 0, 1, 1, 14, 0, 2, 8, 0, 0, 3, 9, 8, 7, 18, 5, 5, 6, 3, 14, 7, 4, 6, 5, 8, 2, 2, 17, 0, 4, 15, 1, 5, 3, 9, 9, 2, 5, 0, 7, 5, 11, 3, 3, 4, 0, 4, 1, 14, 4, 5, 6, 0, 3, 11, 12, 5, 0, 0, 7, 11, 1, 7, 1, 12, 14, 3, 7, 12, 7, 0, 1, 0, 11, 1, 7, 3, 0, 3, 4, 19, 12, 18, 1, 17, 2, 2, 0, 2, 5, 10, 16, 9, 6, 1, 2, 17, 4, 10, 16, 7, 6, 0, 11, 4, 2, 13, 2, 7, 18, 2, 1, 6, 1, 0, 7, 14, 9, 11, 3, 17, 3, 4, 1, 7, 11, 8, 4, 0, 2, 17, 6, 17, 1, 6, 11, 13, 8, 7, 3, 7, 3, 3, 10, 3, 0, 3, 0, 10, 3, 7, 0, 2, 8, 8, 2, 3, 2, 2, 1, 2, 0, 4, 2, 1, 4, 10, 5, 1, 1, 0, 14, 19, 1, 0, 13, 13, 1, 1, 6, 15, 17, 7, 4, 3, 0, 9, 0, 10, 2, 14, 2, 3, 4, 0, 1, 3, 2, 3, 5, 4, 1, 0, 11, 7, 9, 17, 5, 1, 16, 5, 18, 14, 1, 3, 14, 1, 2, 4, 6, 1, 15, 6, 0, 5, 0, 11, 8, 9, 13, 6, 12, 4, 5, 7, 12, 6, 3, 16, 11, 9, 0, 11, 7, 1, 14, 0, 4, 1, 2, 7, 14, 14, 6, 3, 9, 1, 12, 15, 16, 0, 3, 2, 1, 7, 17, 0, 7, 1, 8, 1, 3, 2, 0, 3, 15, 3, 5, 9, 9, 2, 5, 2, 9, 6, 3, 3, 3, 1, 3, 3, 0, 5, 3, 7, 2, 10, 3, 15, 5, 1, 8, 0, 14, 8, 3, 10, 11, 8, 2, 19, 4, 5, 1, 1, 2, 1, 2, 4, 0, 5, 2, 10, 2, 8, 0, 2, 4, 10, 9, 3, 6, 7, 2, 14, 2, 2, 0, 3, 5, 1, 2, 2, 4, 4, 2, 0, 1, 2, 2, 4, 14, 1, 5, 13, 13, 13, 4, 4, 0, 1, 6, 10, 2, 12, 0, 0, 8, 0, 0, 8, 16, 1, 10, 6, 8, 14, 2, 7, 3, 18, 3, 17, 6, 5, 3, 6, 2, 5, 7, 3, 6, 1, 5, 4, 0, 8, 7, 10, 12, 7, 2, 5, 16, 16, 1, 10, 8, 8, 2, 2, 0, 1, 2, 0, 15, 15, 11, 4, 1, 1, 14, 2, 0, 16, 1, 19, 2, 0, 7, 14, 6, 0, 7, 5, 5, 2, 13, 5, 18, 5, 4, 7, 8, 9, 1, 5, 16, 4, 8, 3, 18, 6, 16, 2, 18, 17, 1, 3, 8, 8, 2, 7, 1, 10, 14, 8, 2, 1, 6, 13, 12, 10, 4, 18, 10, 3, 8, 17, 19, 2, 4, 8, 7, 7, 2, 5, 6, 1, 14, 3, 7, 14, 1, 4, 8, 7, 3, 11, 2, 4, 16, 9, 8, 9, 6, 10, 7, 17, 4, 0, 6, 3, 10, 2, 7, 1, 13, 2, 7, 0, 2, 2, 3, 0, 2, 2, 1, 7, 1, 3, 4, 10, 15, 9, 0, 10, 3, 13, 1, 3, 0, 9, 18, 0, 3, 5, 1, 3, 1, 4, 8, 2, 2, 8, 7, 3, 2, 0, 9, 0, 0, 5, 1, 8, 8, 11, 9, 2, 4, 4, 17, 2, 17, 2, 11, 0, 13, 0, 0, 4, 0, 1, 0, 3, 5, 3, 1, 7, 8, 8, 7, 17, 4, 3, 13, 6, 0, 0, 10, 0, 4, 1, 2, 19, 3, 3, 7, 3, 10, 7, 5, 5, 0, 15, 1, 1, 1, 5, 3, 9, 8, 1, 2, 1, 4, 3, 15, 4, 1, 0, 0, 0, 0, 5, 9, 2, 5, 7, 1, 5, 5, 7, 10, 2, 6, 11, 1, 7, 1, 5, 12, 4, 3, 6, 9, 0, 1, 4, 19, 4, 11, 3, 7, 5, 1, 2, 1, 9, 10, 0, 4, 0, 5, 4, 15, 2, 0, 1, 2, 3, 9, 9, 0, 4, 1, 9, 14, 6, 1, 16, 12, 2, 8, 9, 8, 5, 0, 7, 4, 1, 11, 3, 5, 3, 7, 6, 6, 4, 8, 0, 3, 7, 7, 3, 19, 9, 1, 13, 1, 1, 2, 3, 0, 18, 2, 19, 1, 7, 2, 2, 3, 5, 1, 0, 0, 1, 0, 0, 18, 0, 3, 3, 4, 11, 0, 0, 4, 8, 4, 0, 2, 2, 5, 9, 5, 4, 8, 0, 0, 12, 2, 0, 15, 14, 0, 2, 8, 1, 5, 7, 12, 9, 4, 12, 3, 2, 14, 16, 1, 7, 10, 2, 0, 6, 12, 0, 7, 1, 2, 6, 15, 0, 13, 4, 12, 3, 1, 5, 18, 11, 1, 14, 9, 5, 2, 1, 2, 1, 2, 4, 2, 1, 6, 15, 1, 11, 9, 8, 7, 1, 6, 0, 7, 0, 17, 1, 1, 9, 14, 17, 19, 5, 6, 1, 17, 0, 8, 3, 2, 1, 3, 2, 5, 11, 1, 8, 13, 10, 14, 8, 3, 0, 1, 0, 3, 3, 0, 0, 5, 0, 8, 8, 19, 12, 16, 3, 12, 7, 0, 2, 1, 5, 11, 2, 1, 2, 17, 3, 6, 0, 3, 6, 1, 0, 14, 0, 0, 3, 2, 6, 4, 19, 8, 4, 9, 8, 2, 11, 8, 1, 7, 3, 15, 5, 6, 3, 6, 9, 1, 0, 3, 3, 0, 8, 2, 1, 3, 7, 6, 4, 15, 0, 14, 2, 3, 5, 3, 10, 2, 0, 0, 2, 5, 9, 8, 6, 0, 1, 6, 6, 0, 0, 2, 6, 0, 7, 1, 8, 1, 8, 1, 0, 7, 3, 3, 12, 14, 13, 1, 10, 3, 1, 16, 0, 3, 0, 4, 9, 16, 5, 4, 2, 2, 17, 6, 9, 3, 17, 5, 8, 0, 0, 4, 11, 10, 2, 1, 6, 2, 11, 6, 0, 1, 5, 2, 9, 7, 1, 4, 12, 3, 1, 2, 0, 3, 15, 3, 2, 1, 4, 1, 3, 1, 15, 3, 4, 5, 2, 2, 9, 8, 7, 10, 9, 0, 3, 6, 2, 6, 3, 3, 1, 8, 2, 14, 7, 3, 15, 14, 5, 5, 5, 9, 18, 5, 6, 0, 5, 8, 1, 1, 5, 10, 5, 15, 4, 5, 0, 1, 0, 5, 1, 7, 4, 2, 8, 2, 1, 7, 6, 1, 2, 18, 1, 5, 1, 0, 0, 10, 0, 3, 3, 2, 14, 4, 7, 3, 0, 0, 7, 4, 8, 0, 2, 12, 3, 2, 3, 2, 1, 5, 2, 1, 0, 4, 0, 9, 11, 9, 0, 0, 1, 2, 4, 10, 3, 0, 9, 1, 6, 4, 12, 1, 1, 2, 2, 3, 17, 13, 6, 3, 3, 2, 1, 3, 5, 8, 7, 0, 0, 1, 10, 11, 1, 13, 1, 16, 3, 11, 1, 1, 0, 11, 16, 5, 16, 0, 3, 5, 17, 5, 12, 5, 6, 16, 2, 12, 2, 3, 4, 6, 12, 4, 13, 8, 15, 0, 7, 14, 16, 0, 11, 2, 13, 18, 3, 5, 2, 0, 6, 1, 3, 0, 8, 9, 1, 12, 0, 4, 5, 7, 2, 3, 10, 6, 5, 1, 3, 18, 7, 8, 6, 4, 4, 1, 2, 5, 0, 5, 6, 0, 17, 2, 0, 3, 17, 18, 1, 10, 3, 2, 7, 4, 4, 10, 3, 18, 10, 11, 0, 0, 0, 13, 1, 12, 14, 0, 1, 2, 13, 10, 7, 18, 5, 0, 18, 5, 7, 4, 3, 3, 3, 1, 13, 2, 5, 11, 1, 8, 1, 2, 1, 8, 1, 2, 7, 3, 13, 7, 3, 3, 2, 9, 7, 7, 2, 9, 1, 7, 5, 10, 19, 3, 7, 2, 7, 2, 2, 1, 9, 0, 3, 8, 3, 18, 0, 15, 2, 2, 19, 7, 7, 1, 6, 5, 3, 0, 12, 12, 8, 0, 0, 6, 1, 12, 2, 2, 8, 1, 4, 17, 19, 3, 3, 16, 0, 15, 9, 17, 0, 1, 1, 9, 6, 3, 1, 6, 8, 0, 3, 10, 8, 11, 4, 8, 6, 14, 6, 15, 2, 7, 4, 19, 0, 2, 17, 1, 2, 3, 16, 2, 0, 1, 2, 19, 6, 1, 6, 17, 18, 11, 14, 17, 0, 4, 8, 1, 16, 1, 2, 3, 6, 8, 1, 3, 3, 4, 9, 5, 4, 0, 6, 5, 6, 0, 13, 1, 4, 3, 1, 0, 4, 0, 12, 3, 9, 2, 19, 1, 0, 6, 0, 10, 13, 18, 0, 0, 4, 0, 4, 1, 7, 7, 6, 1, 7, 19, 4, 2, 3, 14, 12, 3, 1, 8, 0, 6, 3, 11, 2, 3, 2, 4, 4, 17, 2, 0, 17, 1, 3, 3, 5, 0, 12, 3, 12, 1, 1, 2, 4, 2, 6, 5, 1, 3, 16, 12, 0, 1, 18, 8, 12, 12, 2, 1, 10, 2, 3, 4, 1, 18, 0, 10, 7, 0, 1, 11, 2, 1, 8, 3, 6, 5, 2]

varietal_list = np.array(varietal_list)

count_vect = CountVectorizer()
x_train_counts = count_vect.fit_transform(description_list)


tfidf_transformer = TfidfTransformer()
x_train_tfidf = tfidf_transformer.fit_transform(x_train_counts)

train_x, test_x, train_y, test_y = train_test_split(x_train_tfidf, varietal_list, test_size=0.2, random_state= 135)

#clf = MultinomialNB().fit(train_x, train_y)

clf = SVC(kernel='linear').fit(train_x, train_y)
y_score = clf.predict(test_x)

n_right = 0
for i in range(len(y_score)):
    if y_score[i] == test_y[i]: n_right += 1
    
print("Accuracy: %.3f%%" % ((n_right/float(len(test_y)) * 100)))        
        

## Accuracy: 77.968%

Deep Machine Learning with Keras (Conv1D Classifier)

from nltk import word_tokenize
from collections import defaultdict

def count_top_x_words(corpus, top_x, skip_top_n):
    count = defaultdict(lambda: 0)
    for c in corpus:
        for w in word_tokenize(c):
            count[w] += 1
    count_tuples = sorted([(w, c) for w, c in count.items()], key=lambda x: x[1], reverse=True)
    return [i[0] for i in count_tuples[skip_top_n: skip_top_n + top_x]]


def replace_top_x_words_with_vectors(corpus, top_x):
    topx_dict = {top_x[i]: i for i in range(len(top_x))}
    return [ [topx_dict[w] for w in word_tokenize(s) if w in topx_dict] for s in corpus], topx_dict

def filter_to_top_x(corpus, n_top, skip_n_top=0):
    top_x = count_top_x_words(corpus, n_top, skip_n_top)
    return replace_top_x_words_with_vectors(corpus, top_x)
    

Sequential Model

from keras.models import Sequential

## Using TensorFlow backend.

from keras.layers import Dense, Conv1D, Flatten
from keras.layers.embeddings import Embedding
from keras.preprocessing import sequence
from keras.utils import to_categorical
import pandas as pd
from collections import Counter
from sklearn.model_selection import train_test_split

df = pd.read_csv(infile)

counter = Counter(df['variety'].tolist())
top_20_varieties = {i[0]: idx for idx, i in enumerate(counter.most_common(20))}
top_20_varieties

## {'Chardonnay': 0, 'Pinot Noir': 1, 'Cabernet Sauvignon': 2, 'Red Blend': 3, 'Bordeaux-style Red Blend': 4, 'Sauvignon Blanc': 5, 'Syrah': 6, 'Riesling': 7, 'Merlot': 8, 'Zinfandel': 9, 'Sangiovese': 10, 'Malbec': 11, 'White Blend': 12, 'Rosé': 13, 'Tempranillo': 14, 'Nebbiolo': 15, 'Portuguese Red': 16, 'Sparkling Blend': 17, 'Shiraz': 18, 'Corvina, Rondinella, Molinara': 19}

df = df[df['variety'].map(lambda x: x in top_20_varieties)]

description_list = df['description'].tolist()
mapped_list, word_list = filter_to_top_x(description_list, 2500, 20)
varietal_list_o = [top_20_varieties[i] for i in df['variety'].tolist()]
varietal_list = to_categorical(varietal_list_o)
varietal_list 

## array([[0., 0., 1., ..., 0., 0., 0.],
##        [1., 0., 0., ..., 0., 0., 0.],
##        [1., 0., 0., ..., 0., 0., 0.],
##        ...,
##        [0., 0., 0., ..., 0., 0., 0.],
##        [0., 0., 0., ..., 0., 0., 0.],
##        [0., 0., 1., ..., 0., 0., 0.]], dtype=float32)

max_review_length = 200
embedding_vector_length = 64

mapped_list = sequence.pad_sequences(mapped_list, maxlen=max_review_length)
train_x, test_x, train_y, test_y = train_test_split(mapped_list, varietal_list, test_size=0.3, random_state= 135)

model = Sequential()
model.add(Embedding(2500, embedding_vector_length, input_length=max_review_length))

model.add(Conv1D(50, 5))
model.add(Flatten())
model.add(Dense(200, activation='relu'))
model.add(Dense(max(varietal_list_o) + 1, activation='softmax'))
model.compile(loss='categorical_crossentropy', optimizer='adam', metrics=['accuracy'])
model.fit(train_x, train_y, epochs=3, batch_size=64)

model.summary()

## _________________________________________________________________
## Layer (type)                 Output Shape              Param #   
## =================================================================
## embedding_1 (Embedding)      (None, 200, 64)           160000    
## _________________________________________________________________
## conv1d_1 (Conv1D)            (None, 196, 50)           16050     
## _________________________________________________________________
## flatten_1 (Flatten)          (None, 9800)              0         
## _________________________________________________________________
## dense_1 (Dense)              (None, 200)               1960200   
## _________________________________________________________________
## dense_2 (Dense)              (None, 20)                4020      
## =================================================================
## Total params: 2,140,270
## Trainable params: 2,140,270
## Non-trainable params: 0
## _________________________________________________________________

y_score = model.predict(test_x)
y_score = [[1 if i == max(sc) else 0 for i in sc] for sc in y_score]
n_right = 0
for i in range(len(y_score)):
    if all(y_score[i][j] == test_y[i][j] for j in range(len(y_score[i]))):
        n_right += 1

print("Accuracy: %.3f%%" % ((n_right/float(len(test_y)) * 100)))

## Accuracy: 72.808%