
ejemplo1 = "At least it isn't a horrible book."
ejemplo2 = "Make sure you :) or :D today!"
ejemplo3 = "Goku is very funny"
ejemplo4 = "Goku is SO FUNNY!!!!!"
ejemplo5 = "Bogota has a metro"


from textblob import TextBlob 

TextBlob(ejemplo3).sentiment

Sentiment(polarity=0.325, subjectivity=1.0)


from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer

vader = SentimentIntensityAnalyzer()
vader.polarity_scores("It was a horrible hotel but at least the employees were kind")

{'neg': 0.134, 'neu': 0.593, 'pos': 0.273, 'compound': 0.5187}


import pandas as pd

data = pd.read_csv("../archivos/machine_learning.csv")
data.head()


data['sentimiento_vader'] = data['tweet'].apply(lambda valor: vader.polarity_scores(valor)['compound'])
data['sentimiento_textblob'] = data['tweet'].apply(lambda valor: TextBlob(valor).sentiment.polarity)
data.head()


pd.set_option('display.max_colwidth', None)
data[['tweet', 'sentimiento_vader']].sort_values('sentimiento_vader')


from flair.models import TextClassifier
from flair.data import Sentence

classifier = TextClassifier.load('en-sentiment')
sentence = Sentence(ejemplo1)

print(ejemplo1)

classifier.predict(sentence, multi_class_prob=False)
l = sentence.labels

l[0].value, l[0].score

2021-05-20 11:43:53,558 loading file /Users/vivianamarquez/.flair/models/sentiment-en-mix-distillbert_3.1.pt
At least it isn't a horrible book.

('POSITIVE', 0.8074595928192139)


classifier = TextClassifier.load('sentiment')
sentence = Sentence("Instalar Pytorch es un dolor de cabeza, lo odio")
classifier.predict(sentence)
sentence.labels

2021-05-20 12:05:59,821 loading file /Users/vivianamarquez/.flair/models/sentiment-en-mix-distillbert_3.1.pt

[NEGATIVE (0.9438)]


classifier = TextClassifier.load('sentiment')

def sent_flair(texto):
    sentence = Sentence(texto)
    classifier.predict(sentence)
    result = sentence.labels[0]
    label = result.value
    score = result.score
    if label == 'POSITIVE':
        return score
    if label == 'NEGATIVE':
        return -1 * score
    return score

data['sent_flair'] = data['tweet'].apply(lambda valor: sent_flair(valor))
data.head()

2021-05-20 12:06:21,805 loading file /Users/vivianamarquez/.flair/models/sentiment-en-mix-distillbert_3.1.pt


data[['tweet', 'sent_flair']].sort_values('sent_flair')


from nltk.sentiment.vader import SentimentIntensityAnalyzer
new_words = {
    'chupemonda': 2.0,
    'madrugón': -3.4,
}
SIA = SentimentIntensityAnalyzer()
SIA.lexicon.update(new_words)
SIA.lexicon

	tweet	date	link
0	If you've ever worried about facial recognition, you're not alone. https://t.co/RvZrwxMzPH	2021-05-20 15:07:58	https://twitter.com/i/web/status/1395395883814907904
1	ostdoc on Proton Structure Studies with Machine Learning (Theory) — AcademicTransfer https://t.co/Iwz0cPVieS #ai #ml #dl	2021-05-20 15:07:50	https://twitter.com/i/web/status/1395395850663170053
2	Is Artificial Intelligence/Machine Learning Real? \n\nAnother strong program 1 PM today online by Hudson Valley Direct Marketing Association https://t.co/knNT9pKcvq\ncbsi Services Inc. \n#AI #ArtificialInteligence #digitalmarketing #machinelearning #datascience #dataanalytics	2021-05-20 15:07:44	https://twitter.com/i/web/status/1395395823220006915
3	End-to-End IoT analytics and machine learning with Azure Data and AI services https://t.co/ooJt94cvZ7	2021-05-20 15:06:46	https://twitter.com/i/web/status/1395395582819282946
4	Graph algorithms combined with machine learning offer a more modern and intelligent approach in fighting, monitoring, and investigating illicit activity. Learn more next week with @AmerBanker.\n\nhttps://t.co/ZTYcVkeT9j\n\n#banking #fintech #fraud #finance #graphanalytics #graphDB	2021-05-20 15:06:30	https://twitter.com/i/web/status/1395395514070441986

	tweet	date	link	sentimiento_vader	sentimiento_textblob
0	If you've ever worried about facial recognition, you're not alone. https://t.co/RvZrwxMzPH	2021-05-20 15:07:58	https://twitter.com/i/web/status/1395395883814907904	-0.1179	0.000000
1	ostdoc on Proton Structure Studies with Machine Learning (Theory) — AcademicTransfer https://t.co/Iwz0cPVieS #ai #ml #dl	2021-05-20 15:07:50	https://twitter.com/i/web/status/1395395850663170053	0.0000	0.000000
2	Is Artificial Intelligence/Machine Learning Real? \n\nAnother strong program 1 PM today online by Hudson Valley Direct Marketing Association https://t.co/knNT9pKcvq\ncbsi Services Inc. \n#AI #ArtificialInteligence #digitalmarketing #machinelearning #datascience #dataanalytics	2021-05-20 15:07:44	https://twitter.com/i/web/status/1395395823220006915	0.5106	0.033333
3	End-to-End IoT analytics and machine learning with Azure Data and AI services https://t.co/ooJt94cvZ7	2021-05-20 15:06:46	https://twitter.com/i/web/status/1395395582819282946	0.0000	0.000000
4	Graph algorithms combined with machine learning offer a more modern and intelligent approach in fighting, monitoring, and investigating illicit activity. Learn more next week with @AmerBanker.\n\nhttps://t.co/ZTYcVkeT9j\n\n#banking #fintech #fraud #finance #graphanalytics #graphDB	2021-05-20 15:06:30	https://twitter.com/i/web/status/1395395514070441986	-0.4654	0.400000

	tweet	sentimiento_vader
72	Got an INSANE antivirus yesterday it’s government based and is built on AI and machine learning literally stops a virus before it can even touch my computer along with learning about the code in it to fight things that could be similar crazy af	-0.8415
40	🚨 NEW: CVE-2021-29581 🚨 TensorFlow is an end-to-end open source platform for machine learning. Due to lack of validation in `tf.raw_ops.CTCBeamSearchDecoder`, an attacker can trigger denial of service via segmentat... (click for more) Severity: MEDIUM https://t.co/EHVlvaeNSA	-0.7184
36	@Money_Reasons @nytimes As for history, you hardly need a time machine to see the disparity. The amount of scandals and atrocities present in the last 100 years of US history that go unmentioned in history classes are enumerable. It’s unsurprising that many have issues with US policy after learning this	-0.4939
4	Graph algorithms combined with machine learning offer a more modern and intelligent approach in fighting, monitoring, and investigating illicit activity. Learn more next week with @AmerBanker.\n\nhttps://t.co/ZTYcVkeT9j\n\n#banking #fintech #fraud #finance #graphanalytics #graphDB	-0.4654
44	[En direct]🔥 \nLe #live Machine learning & Deep learning c'est maintenant sur le canal #twitch de Tera Campus ! \n\nhttps://t.co/fURuKuDnn0\n\n#streamer #Livestream #streaming #LiveConf #livestreaming #IntelligenceArtificielle https://t.co/x42hzCWPd4	-0.4003
...	...	...
7	Call AI conversational intelligence leverages AI & machine-learning to incorporate key capabilities that maximize #sales potential to win deals. Features include call recording & transcripts, call sharing & collaboration, & CRM integrations. Learn more 👉 https://t.co/WIXLn2fC6G	0.8658
77	Everything awesome ends quickly - that is also true for the 5th edition of the NDSML Summit. During the past 3 days, we've heard some amazing case studies, strategies and approaches in Data Science and Machine Learning. ✨\n\nThank you to everyone joining🙏\n\n#NDSMLSummit2021 https://t.co/Q2MKeKMLue	0.9382
30	Implementing new #technologies like artificial intelligence and machine learning are part of a solid business strategy. Some key advantages include increased productivity, higher rates of production, improved quality, and efficient use of materials. #MSP https://t.co/KktxtkuD3o	0.9403
53	This is a true opportunity who has an interest in Machine Learning. I'm on in too. Let's enjoy it together!\n* Thank you for giving me, a poor full-time student, a chance to take this course for free. @svpino https://t.co/viLwTe56Sp	0.9531
49	One of the rare times I look at LinkedIn, I come across this graph. IDK how it's made, but being in the field, I think it's such a good reference. Like, just have a good grasp on Python and how to use basic machine learning techniques and you can land a pretty good paying job. https://t.co/zIxwIO9vmt	0.9614

	tweet	date	link	sentimiento_vader	sentimiento_textblob	sent_flair
0	If you've ever worried about facial recognition, you're not alone. https://t.co/RvZrwxMzPH	2021-05-20 15:07:58	https://twitter.com/i/web/status/1395395883814907904	-0.1179	0.000000	0.997260
1	ostdoc on Proton Structure Studies with Machine Learning (Theory) — AcademicTransfer https://t.co/Iwz0cPVieS #ai #ml #dl	2021-05-20 15:07:50	https://twitter.com/i/web/status/1395395850663170053	0.0000	0.000000	0.931684
2	Is Artificial Intelligence/Machine Learning Real? \n\nAnother strong program 1 PM today online by Hudson Valley Direct Marketing Association https://t.co/knNT9pKcvq\ncbsi Services Inc. \n#AI #ArtificialInteligence #digitalmarketing #machinelearning #datascience #dataanalytics	2021-05-20 15:07:44	https://twitter.com/i/web/status/1395395823220006915	0.5106	0.033333	0.611579
3	End-to-End IoT analytics and machine learning with Azure Data and AI services https://t.co/ooJt94cvZ7	2021-05-20 15:06:46	https://twitter.com/i/web/status/1395395582819282946	0.0000	0.000000	0.997630
4	Graph algorithms combined with machine learning offer a more modern and intelligent approach in fighting, monitoring, and investigating illicit activity. Learn more next week with @AmerBanker.\n\nhttps://t.co/ZTYcVkeT9j\n\n#banking #fintech #fraud #finance #graphanalytics #graphDB	2021-05-20 15:06:30	https://twitter.com/i/web/status/1395395514070441986	-0.4654	0.400000	0.742857

	tweet	sent_flair
56	@IamHappyToast They probably ran it through Adobe Super Resolution or some other machine learning AI upscaling software. I'd be most interested in looking at the file headers and whomever buys it is a mug.	-0.999953
57	Just thinking about how when I was learning to type, different keyboards would have symbols in different places. Depending on which machine in the computer lab you got, apostrophe might be shift-7 or its own key beside return.	-0.999580
20	Get Flat 96% Off on Machine Learning on Udemy \n\nStudy Now!\nhttps://t.co/ChqyvOhIZ1\n-#sridivya https://t.co/xKHmw4DQbX	-0.999491
32	In this episode of Gradient Dissent, we're joined by @sAlyssaSF, Director of Product at @BlueShieldCA and co-author of "Real World AI" 💫\n\n🎥: https://t.co/vY1HLkpBhD\n✏️: https://t.co/I3LfzMukJI https://t.co/E8oDeEVqID	-0.984372
40	🚨 NEW: CVE-2021-29581 🚨 TensorFlow is an end-to-end open source platform for machine learning. Due to lack of validation in `tf.raw_ops.CTCBeamSearchDecoder`, an attacker can trigger denial of service via segmentat... (click for more) Severity: MEDIUM https://t.co/EHVlvaeNSA	-0.981582
...	...	...
26	If you've ever worried about facial recognition, you're not alone. https://t.co/rGCzp79GQx	0.998753
35	Today another use case. This time: #healthcare. #ML model gauges #unconsciousness in patients under #anesthesia, to help dosage of anesthetics and reducing risks for the patient😴✅\n\nLooking for data for your next #AI project?\n👉https://t.co/JTBatwrAzW\n\n🔗https://t.co/em5Ddc6vq8	0.998872
30	Implementing new #technologies like artificial intelligence and machine learning are part of a solid business strategy. Some key advantages include increased productivity, higher rates of production, improved quality, and efficient use of materials. #MSP https://t.co/KktxtkuD3o	0.999015
97	1. Automating processes, improving efficiencies and enabling alternative care delivery models\n2. Predicting risks and suggesting interventions\n3. Revealing patterns in disease, getting to a diagnosis quickly and advancing therapies…https://t.co/QyvLmmltnF https://t.co/hVfFDJIi44	0.999432
49	One of the rare times I look at LinkedIn, I come across this graph. IDK how it's made, but being in the field, I think it's such a good reference. Like, just have a good grasp on Python and how to use basic machine learning techniques and you can land a pretty good paying job. https://t.co/zIxwIO9vmt	0.999643

Análisis de sentimiento¶

NLP - Analítica Estratégica de Datos¶

Retroalimentación taller 11¶

🚀 Hoy veremos...¶

🥺 Análisis de sentimiento¶

😭 Limitaciones¶

😭 Limitaciones¶

"El hotel estaba horrible, pero los empleados fueron muy amables"¶

😭 Limitaciones¶

😭 Limitaciones¶

😭 Limitaciones¶

Modelos basados en reglas¶

Modelos basados en redes neuronales¶

⏳ Hoy vimos¶

¡Tiempo de taller!¶

¡Último taller del semestre! 🥳¶

Info ⏭️¶

Talleres¶

Portafolio¶

Proyecto Final¶

Próxima clase: Redes neuronales & transformers¶

Información adicional¶