Function S

resources/vega.min.js:158–160

(t)

    return t[t.length - 1];
  }
  function S(t) {
    return null == t || "" === t ? null : +t;
  }
  const $ = (t) => (e) => t * Math.exp(e),
    T = (t) => (e) => Math.log(t * e),
    B = (t) => (e) => Math.sign(e) * Math.log1p(Math.abs(e / t)),