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Sebagai contoh, GetRecords (() adalah untuk mendapatkan data garis K, dan TA.EMA adalah untuk mendapatkan data garis rata-rata, maka
var records = exchange.GetRecords(PERIOD_M15)
if (records && records.length > 12) {
var ema = TA.EMA(records, 12)
}
Mengapa garis K 15 menit bisa digunakan dalam rata-rata 12 hari?
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15分钟周期的K线, 这话没毛病. 但是那个12 不是12天, 哥们, 是12根K线, 一根K线代表15分钟. 没有足够的K线, 无法算EMA, var ema = TA.EMA(records, 12)
这个代码的变量名该改改,你就不容易疑惑了. 真正的意思是: var ema12 =TA.EMA(records, 12) // 这句代码就是算出EMA12 均线的值.
5 years ago
- 1