Function getRandomSample

assets/main.js:114–120

(digit)

    sampleSize,
    totalSamples,
    getRandomSample(digit) {
      if (!Number.isInteger(digit) || digit < 0 || digit > 9) return null;
      const bucket = digitBuckets[digit];
      if (!bucket || bucket.length === 0) return null;
      const randomIndex = bucket[Math.floor(Math.random() * bucket.length)];
      return this.getSampleByIndex(randomIndex);
    },
    getSampleByIndex(index) {
      if (!Number.isFinite(index) || index < 0 || index >= totalSamples) return null;
      const pixels = normaliseSlice(index);