{
    "classifications": [
        {
            "column": "WEBSITE",
            "label": "foreign_key",
            "confidence": 0.4,
            "reason": "Low-cardinality (11) site identifier whose values repeat; acts as a join/dimension column, not unique."
        },
        {
            "column": "YEAR",
            "label": "none",
            "confidence": 0.8,
            "reason": "Time attribute with 11 distinct values, not an identifier."
        },
        {
            "column": "PAGE PATH",
            "label": "none",
            "confidence": 0.8,
            "reason": "About 60% distinct and repeats across sites and years, so it is far from near-unique."
        },
        {
            "column": "PAGE URL",
            "label": "none",
            "confidence": 0.8,
            "reason": "About 62% distinct, well below the 98% near_key threshold. It is part of a composite key with YEAR at most."
        },
        {
            "column": "PAGE VIEWS",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        },
        {
            "column": "UNIQUE VIEWS",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        },
        {
            "column": "AVERAGE TIME ON PAGE (SECONDS)",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        },
        {
            "column": "ENTRANCES",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        },
        {
            "column": "BOUNCE RATE (%)",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        },
        {
            "column": "EXIT RATE (%)",
            "label": "none",
            "confidence": 0.95,
            "reason": "Numeric measure."
        }
    ]
}