sentiment analysis
Post on 07-Jan-2016
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Sentiment Analysis
Positive: love, best, cool, great, good, amazingNegative: hate, worst, terrible, awful, nightmare
Many software packages include a sentiment option
• Statistical Software• SAS• IBM• Angoss
• Text-Specific• SmartLogic• Provalis• Sematria• Lexalytics
• Online• Stanford• Sentiment 140• etcML
• Programming• Python• R
Software
Some software tools do not require
text pre-processing.
Text Analytics for Excel
Online Sentiment Analysishttp://www.lexalytics.com/web-demo
Sentiment Analysis
Online Sentiment Analysis
Paste text to be analyzed
Online Sentiment Analysis
Online Sentiment Analysis
etcML: Machine Learning Including Text Analysis
etcML: “cold weather”
50%
29%
21%
negativeneutralpositive
2 20 38 56 74 92 1101281461641822002182362542722903083263443623803984164344524704885065245425605780%
10%
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30%
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negative-probability neutral-probability positive-probability
etcML: “cold weather”
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