trader_natr
(PECL trader >= 0.2.0)
trader_natr — Normalized Average True Range
说明
trader_natr(
array
array
array
int
): array
array
$high
,array
$low
,array
$close
,int
$timePeriod
= ?): array
参数
-
high
-
高价,浮点数数组。
-
low
-
低价,浮点数数组。
-
close
-
收盘价,浮点数数组。
-
timePeriod
-
Number of period. Valid range from 2 to 100000.
返回值
Returns an array with calculated data or false on failure.
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