(PECL trader >= 0.2.2)
trader_set_unstable_period — Set unstable period
Influences unstable period factor for functions, which are sensible to it. More information about unstable periods can be found on the » TA-Lib API documentation page.
Function ID the factor should be set for. TRADER_FUNC_UNST_* constant series can be used to affect the corresponding function.
Unstable period value.
No value is returned.