Artificial colleagues from the first signal to the fix.

The plan

1. 1Size prepaid detractorsData Scientist
2. 2Find what they talk aboutThemeMapper, SentimentAI
3. 3Check the trend since JulyTrendRadar
4. 4Rank segments by riskSegmentLens, RiskAlert
5. 5Read it for the businessDomain Expert

Then audit, synthesis and the report, in English, with an evidence appendix

SELECT plan,
  AVG(is_detractor) AS share
FROM responses
WHERE received >= '2026-07-01'
GROUP BY ROLLUP(plan);

Read-only · 12,481 rows · 0.8 s

When a top-up does not arrive, a prepaid customer has no credit: no calls and no data until it lands. New prepaid customers meet this in their first weeks, before they have a reason to stay.

• Billing sentiment 18 points lower than in JulySentimentAI
• Top-up delay in 63% of negative answersThemeMapper
• Top-up mentions rising every monthTrendRadar
• Risk 78 for Prepaid, first 90 daysRiskAlert

• Detractor share recomputed from the raw rows41% holds
• Trend checked month by monthHolds since July
• Contradiction flaggedSIM activation ranks third in surveys and first in reviews. Confidence lowered.

Billing sentiment, by month

18 points lower than in July

Themes in negative answers

“Third time this month the top-up failed and nobody called back.”

Top-up delay, share of negative answers

Rising every month. The largest step came in August.

Detractor share by segment

Complaint risk, from 0 to 100

Prepaid, first 90 days is above your threshold of 70