Power Calculator

curl -X POST https://playground.kaireonai.com/api/v1/experiments/power-calculator \
  -H "Content-Type: application/json" \
  -H "X-Tenant-Id: my-tenant" \
  -d '{
    "baselineConversionRate": 0.05,
    "minimumDetectableEffect": 0.02,
    "significanceLevel": 0.05,
    "power": 0.8,
    "trafficSplit": 0.5
  }'

{
  "requiredSampleSize": 7850,
  "perVariant": 3925,
  "estimatedDuration": {
    "days": 16,
    "basedOnDailyTraffic": 500
  },
  "recommendation": "With 500 daily decisions, you need ~16 days to reach statistical significance.",
  "sensitivityTable": [
    { "effect": 0.01, "sampleSize": 31400, "days": 63 },
    { "effect": 0.02, "sampleSize": 7850, "days": 16 },
    { "effect": 0.05, "sampleSize": 1260, "days": 3 },
    { "effect": 0.10, "sampleSize": 320, "days": 1 }
  ]
}