TA.ATR

```TA.ATR()```函数的返回值为：一维数组。
array

TA.ATR(inPriceHLC)
TA.ATR(inPriceHLC, optInTimePeriod)

```inPriceHLC```参数用于指定K线数据。
inPriceHLC
true
{@struct/Record Record}结构数组
```optInTimePeriod```参数用于设置周期。
optInTimePeriod
false
number

```javascript
function main(){
    var records = exchange.GetRecords(PERIOD_M30)
    var atr = TA.ATR(records, 14)
    Log(atr)
}

def main():
    r = exchange.GetRecords(PERIOD_M30)
    atr = TA.ATR(r, 14)
    Log(atr)

void main() {
    auto r = exchange.GetRecords(PERIOD_M30);
    auto atr = TA.ATR(r, 14);
    Log(atr);
}

测试TA.ATR()函数：

TA.ATR()函数的optInTimePeriod参数的默认值为：14。

{@fun/TA/TA.MACD TA.MACD}, {@fun/TA/TA.KDJ TA.KDJ}, {@fun/TA/TA.RSI TA.RSI}, {@fun/TA/TA.OBV TA.OBV}, {@fun/TA/TA.MA TA.MA}, {@fun/TA/TA.EMA TA.EMA}, {@fun/TA/TA.BOLL TA.BOLL}, {@fun/TA/TA.Alligator TA.Alligator}, {@fun/TA/TA.CMF TA.CMF}, {@fun/TA/TA.Highest TA.Highest}, {@fun/TA/TA.Lowest TA.Lowest}