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December 24, 2020 02:31
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Generate a Sklearn multiple-label classification model off of Automotive service appointments. The dataset was built from a proprietary dataset that was anonymized.
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""" | |
Labels automotive appointment description/comments | |
based on a trained multi-label classification model | |
Expected CSV structure: | |
ID|Tech|Service|Comments|mechanical|bodywork|diagnostic|suspension|engine|exhaust|electrical|brakes|tires | |
Structre notes: | |
ID, Tech, Service - Irrelevent, used during transcription | |
Comments - Used to generate the model | |
mechanical, bodywork, diagnostic, suspension, engine, exhaust, electrical, brakes, tires - Used to categorize (label) | |
""" | |
""" | |
Produced 2020 | |
By https://amattu.com/links/github | |
Copy Alec M. | |
""" | |
""" | |
Original Author | |
https://www.geeksforgeeks.org/an-introduction-to-multilabel-classification/ | |
""" | |
# Imports | |
import pandas as pd | |
import numpy as np | |
from sklearn.model_selection import train_test_split | |
from sklearn.feature_extraction.text import TfidfVectorizer | |
from skmultilearn.adapt import MLkNN | |
# Read model CSV | |
df = pd.read_csv('model.csv') | |
vetorizar = TfidfVectorizer(max_features = 3000, max_df = 0.85) | |
comments = "" | |
# Model text field | |
X = df["Comments"] | |
vetorizar.fit(X) | |
# Model data field(s) | |
y = np.asarray(df[df.columns[4:]]) | |
# Split model datasets | |
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.4) | |
X_train_tfidf = vetorizar.transform(X_train) | |
X_test_tfidf = vetorizar.transform(X_test) | |
# using Multi-label kNN classifier | |
mlknn_classifier = MLkNN() | |
mlknn_classifier.fit(X_train_tfidf, y_train) | |
# Continue reading until KeyboardInterupt | |
while comments == "": | |
# Read appointment comments, test model | |
comments = input("Enter a appointment description: ") | |
new_sentence_tfidf = vetorizar.transform([comments]) | |
prediction = mlknn_classifier.predict(new_sentence_tfidf).toarray()[0] | |
# Print results | |
print("Mechanical: {}\nBodywork: {}\nDiagnostic: {}\nSuspension: {}\nEngine: {}\nExhaust: {}\nElectrical: {}\nBrakes: {}\nTires: {}".format( | |
prediction[0], | |
prediction[1], | |
prediction[2], | |
prediction[3], | |
prediction[4], | |
prediction[5], | |
-1, # untrained in dataset | |
-1, # untrained in dataset | |
-1 # untrained in dataset | |
)) | |
# Reset comments | |
comments = "" |
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Dataset not public ATM, currently scraping confidential data out of it.