分布形状分析

🌐 Distribution shape analysis

const { createHistogram } = require('node:perf_hooks');

const h = createHistogram();

// Simulate a right-skewed latency distribution
for (let i = 0; i < 1000; i++) {
  h.record(Math.ceil(Math.random() * 100));
}
// Add some outliers
for (let i = 0; i < 10; i++) {
  h.record(500 + Math.ceil(Math.random() * 500));
}

console.log('Skewness:', h.skewness.toFixed(4));  // Positive = right-skewed
console.log('Kurtosis:', h.kurtosis.toFixed(4));  // Positive = heavy tails 拷贝