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PythonScikit-learnNLTKTF-IDFStreamlit

Customer Sentiment Analysis

Sentiment Analysis & Segmentation Dashboard

Customer Sentiment Analysis

Model Intelligence Report

The Client’s State Before Us:
A fast-growing home fitness equipment brand had 4,500+ product reviews across their site and Amazon, plus hundreds of monthly support tickets. Their product team felt blind. They were spending 10 hours a week manually reading reviews, and still couldn't detect emerging product defects or systematically understand why their flagship treadmill had a 3.9-star rating instead of a 4.5.

The Diagnosis:
We ran the Sentiment Analysis model across all unstructured text. The model uncovered that the negative reviews were not about durability, as the team assumed, but clustered around a specific assembly instruction step (Step 4 in the manual) and a consistent complaint about the console's Bluetooth pairing with iPhones. This was a UX and documentation problem, not a hardware flaw. Further, customer feedback emails contained a rising theme of "wish it had a tablet holder" that the support team never aggregated as a product request.

The Intervention:
We deployed an NLP pipeline that automatically scraped, categorized, and scored all reviews and support tickets by intent and emotion. A weekly digest was sent to product and marketing: a "Top 3 Emerging Complaints" list, a "Feature Request Trend Tracker," and a "Competitor Sentiment Comparison" that tracked sentiment in rival product reviews.

The Hard Numbers:
  • Identified the assembly-step issue, leading to a manual rewrite and an online video guide that, within 60 days, raised the product's average rating from 3.9 to 4.4 stars.
  • The tablet holder feature request was prioritized into the next product cycle; the updated model's launch received 32% more positive first-week reviews than the prior version.
  • Customer support ticket volume related to Bluetooth pairing dropped by 47% after a targeted in-app troubleshooting screen was created based on the exact language customers used in their complaints.

Core Technology Stack:

PythonScikit-learnNLTKTF-IDFStreamlit