Elaborazione del linguaggio parlato in Python
Daniel Bourke
Machine Learning Engineer/YouTube Creator
$ pip install nltk
# Scarica i pacchetti NLTK necessari
import nltk
nltk.download("punkt")
nltk.download("vader_lexicon")
# Importa la classe per l'analisi del sentiment from nltk.sentiment.vader import SentimentIntensityAnalyzer# Crea l'istanza per il sentiment sid = SentimentIntensityAnalyzer()# Prova il sentiment su un testo negativo print(sid.polarity_scores("This customer service is terrible."))
{'neg': 0.437, 'neu': 0.563, 'pos': 0.0, 'compound': -0.4767}
# Trascrivi il canale cliente di call_3
call_3_channel_2_text = transcribe_audio("call_3_channel_2.wav")
print(call_3_channel_2_text)
"hey Dave is this any better do I order products are currently on July 1st and I haven't
received the product a three-week step down this parable 6987 5"
# Sentiment sul canale cliente di call_3
sid.polarity_scores(call_3_channel_2_text)
{'neg': 0.0, 'neu': 0.892, 'pos': 0.108, 'compound': 0.4404}
call_3_paid_api_text = "Okay. Yeah. Hi, Diane. This is paid on this call and obvi..."
# Importa il tokenizer di frasi from nltk.tokenize import sent_tokenize# Calcola il sentiment per ogni frase for sentence in sent_tokenize(call_3_paid_api_text): print(sentence) print(sid.polarity_scores(sentence))
Okay.
{'neg': 0.0, 'neu': 0.0, 'pos': 1.0, 'compound': 0.2263}
Yeah.
{'neg': 0.0, 'neu': 0.0, 'pos': 1.0, 'compound': 0.296}
Hi, Diane.
{'neg': 0.0, 'neu': 1.0, 'pos': 0.0, 'compound': 0.0}
This is paid on this call and obviously the status of my orders at three weeks ago,
and that service is terrible.
{'neg': 0.129, 'neu': 0.871, 'pos': 0.0, 'compound': -0.4767}
Is this any better?
{'neg': 0.0, 'neu': 0.508, 'pos': 0.492, 'compound': 0.4404}
Yes...
Elaborazione del linguaggio parlato in Python