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”

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negative-probability neutral-probability positive-probability

etcML: “cold weather”