Pooled summary statistics

Open Pooled summary statistics on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

Tool capabilities

{
  "id": "pooled-summary-statistics",
  "category": "calculators",
  "built": true,
  "requirements": "CSV header must be n,mean,sd. Up to 1,000 non-overlapping groups and ten million combined observations. Standard deviations use n−1. A group of one must have SD zero. Groups must measure the same variable and use the same units. This is not a meta-analysis.",
  "implementation": {
    "fields": [],
    "note": "Paste CSV with the exact header n,mean,sd, followed by up to 1,000 groups. Use each group’s sample SD (n−1 denominator), common measurement units and non-overlapping observations. A group with one observation must use SD zero. This is not a meta-analysis.",
    "input": true,
    "live": true,
    "presentation": "metrics",
    "background": true,
    "inputMaxLength": 1000000,
    "inputErrorCode": "STAT_SIZE",
    "experience": {
      "automatic": true,
      "single": false,
      "inputMaxLength": 1000000,
      "inputMode": "text",
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.",
      "helpParts": [
        "Change the input or settings to update your result.",
        "Results update as you type.",
        "Up to 1,000,000 characters."
      ],
      "action": null
    },
    "mode": "automatic",
    "interactive": false
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

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