Php/docs/function.trader-ppo
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trader_ppo
(PECL trader >= 0.2.0)
trader_ppo — Percentage Price Oscillator
说明
trader_ppo
( array $real
[, int $fastPeriod
[, int $slowPeriod
[, int $mAType
]]] ) : array
参数
real
- 浮点数数组。
fastPeriod
- Number of period for the fast MA. Valid range from 2 to 100000.
slowPeriod
- Number of period for the slow MA. Valid range from 2 to 100000.
mAType
- Type of Moving Average. TRADER_MA_TYPE_* series of constants should be used.
返回值
Returns an array with calculated data or false on failure.