Sentiment analysis refers to categorizing some given data as to what sentiment(s) it expresses. Usually, it refers to extracting sentiment from a text, e.g. tweets or blog posts.
Questions tagged [sentiment-analysis]
237 questions
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What is Sentiment Bias? How will it affect a Lexicon Based Sentiment Analysis?
I am comparing deep learning and lexicon/rule-based models for sentiment analysis. When I was doing some research into the limitations of lexicon based models, I came across a journal article that mentioned sentiment bias. However, this article did…
Abhir K
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Why is approximate nearest neighbour with LSH efficient?
In a brute force nearest neighbour: (consider point in question is 'x', and total number of points is n)
calculate distance between x and every other point O(n)
Compare all these distances to get the minimum O(n)
With LSH:
calculate hash value…
Rockko Rock
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Normalizing impact of outnumbered positive reviews to extract sentiment of each term
I'm trying to extract the sentiment of Italian words using reviews that users wrote on Italian amazon. After doing some cleaning (remove punctuation, stop-words, etc.) I used this method to get the sentiment:
s = (tf_1/tf)*(-2) + (tf_2/tf)*(-1) +…
Mehdi Abbassi
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Customer Demographic Data
I am looking for two types of data
Demographic data
Is there a vendor or data source that could provide demographic information of customers who buy a product? It doesn't include personal information but might have information like which zipcode…
user2979630
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Method of data collection
I am an undergraduate that is currently working on a project in which I need to collect reviews and comments about mobile phones across several platforms and analyse the data to see if the sentiments and reviews have direct impact on the sales of…
Glowreeyah
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Suggest DataSet for Sentiment Analysis on Dutch languages
Can anybody provide any links for any training dataset for sentiment analysis on Dutch languages? I googled trying to find maybe movie review on Dutch but didn't find website with persons review like in IMDB
Vladimir Shebuniayeu
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How to properly perform sentiment analysis?
How to properly perform sentiment analysis for text with 300-600 words? If I use TextBlob and clean my data and remove stopwords(extended words and comma backslash..etc) do I need to tokenize the text into sentence then into words then perform…
geekPinkFlower
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Sentiment Analysis Label Distribution
I am working on Sentiment Analysis model.
The dataset I have has three labels: positive, negative and neutral.
But the problem is the data is not equal for labels.
Say out of 100K : 75 K are neutral, 15K positive and 10K negative.
I wanted to know…
shrish123 kumar
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How to created a sentiment analysis metric from individual pieces of data
I have an array of news articles I get daily. I run a sentiment model and get a value between -1.5 and 1.5. My question is how do I combine each say days worth of individual values between -1.5 and 1.5 into a single value. Do I just do it based on…
