mm_maths
Version:
这是一个可以将数学公式推导变形，并转成js和计算的模块。
19 lines • 449 B
JavaScript
module.exports = function PERCPRICEOSC(array, i12, i26, i9) {
var ema12 = EMA(array, 12),
ema26 = EMA(array, 26),
ppo = [],
i, signal, histogram;
for (i = 0; i < ema12.length; i++) {
ppo.push((ema12[i] - ema26[i]) / ema26[i] * 100);
}
signal = EMA(ppo, 9);
histogram = [];
for (i = 0; i < ppo.length; i++) {
histogram.push(ppo[i] - signal[i]);
}
return {
ppo: ppo,
signal: signal,
histogram: histogram
};
}