(PECL trader >= 0.2.0)
trader_minus_di — Minus Directional Indicator
$high
,$low
,$close
,$timePeriod
= ?
high
High price, array of real values.
low
Low price, array of real values.
close
Closing price, array of real values.
timePeriod
Number of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.