Function computeUpperFence

src/traces/box/calc.js:420–429

(cdi, boxVals, N)

// last point above 1.5 * IQR
function computeUpperFence(cdi, boxVals, N) {
    if(N === 0) return cdi.q3;
    return Math.max(
        cdi.q3,
        boxVals[Math.max(
            Lib.findBin(2.5 * cdi.q3 - 1.5 * cdi.q1, boxVals),
            0
        )]
    );
}

// 3 IQR below (don't clip to max/min,
// this is only for discriminating suspected & far outliers)