Work Sample 1
Problem Solving through text mining, sentiment analysis and statistical hypothesis testing
The Problem
A long-successful restaurant chain noticed a decline in same-store sales for a few of its locations, but couldn’t figure out the cause.
The Solution
Text and sentiment mining of Google and Yelp reviews revealed an erosion of customer satisfaction across a few key areas at the struggling locations which correlated with their decline in sales, as confirmed via statistical analysis.
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