trader_rocr
(PECL trader >= 0.2.0)
trader_rocr — Rate of change ratio: (price/prevPrice)
Описание
array trader_rocr
( array
$real
[, integer $timePeriod
] )
Список параметров
-
real -
Массив, содержащий реальные значения.
-
timePeriod -
Номер периода. Допустимы значения от 2 до 100000.
Возвращаемые значения
Returns an array with calculated data or false on failure.
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Математические расширения
- Technical Analysis for Traders
- trader_acos
- trader_ad
- trader_add
- trader_adosc
- trader_adx
- trader_adxr
- trader_apo
- trader_aroon
- trader_aroonosc
- trader_asin
- trader_atan
- trader_atr
- trader_avgprice
- trader_bbands
- trader_beta
- trader_bop
- trader_cci
- trader_cdl2crows
- trader_cdl3blackcrows
- trader_cdl3inside
- trader_cdl3linestrike
- trader_cdl3outside
- trader_cdl3starsinsouth
- trader_cdl3whitesoldiers
- trader_cdlabandonedbaby
- trader_cdladvanceblock
- trader_cdlbelthold
- trader_cdlbreakaway
- trader_cdlclosingmarubozu
- trader_cdlconcealbabyswall
- trader_cdlcounterattack
- trader_cdldarkcloudcover
- trader_cdldoji
- trader_cdldojistar
- trader_cdldragonflydoji
- trader_cdlengulfing
- trader_cdleveningdojistar
- trader_cdleveningstar
- trader_cdlgapsidesidewhite
- trader_cdlgravestonedoji
- trader_cdlhammer
- trader_cdlhangingman
- trader_cdlharami
- trader_cdlharamicross
- trader_cdlhighwave
- trader_cdlhikkake
- trader_cdlhikkakemod
- trader_cdlhomingpigeon
- trader_cdlidentical3crows
- trader_cdlinneck
- trader_cdlinvertedhammer
- trader_cdlkicking
- trader_cdlkickingbylength
- trader_cdlladderbottom
- trader_cdllongleggeddoji
- trader_cdllongline
- trader_cdlmarubozu
- trader_cdlmatchinglow
- trader_cdlmathold
- trader_cdlmorningdojistar
- trader_cdlmorningstar
- trader_cdlonneck
- trader_cdlpiercing
- trader_cdlrickshawman
- trader_cdlrisefall3methods
- trader_cdlseparatinglines
- trader_cdlshootingstar
- trader_cdlshortline
- trader_cdlspinningtop
- trader_cdlstalledpattern
- trader_cdlsticksandwich
- trader_cdltakuri
- trader_cdltasukigap
- trader_cdlthrusting
- trader_cdltristar
- trader_cdlunique3river
- trader_cdlupsidegap2crows
- trader_cdlxsidegap3methods
- trader_ceil
- trader_cmo
- trader_correl
- trader_cos
- trader_cosh
- trader_dema
- trader_div
- trader_dx
- trader_ema
- trader_errno
- trader_exp
- trader_floor
- trader_get_compat
- trader_get_unstable_period
- trader_ht_dcperiod
- trader_ht_dcphase
- trader_ht_phasor
- trader_ht_sine
- trader_ht_trendline
- trader_ht_trendmode
- trader_kama
- trader_linearreg_angle
- trader_linearreg_intercept
- trader_linearreg_slope
- trader_linearreg
- trader_ln
- trader_log10
- trader_ma
- trader_macd
- trader_macdext
- trader_macdfix
- trader_mama
- trader_mavp
- trader_max
- trader_maxindex
- trader_medprice
- trader_mfi
- trader_midpoint
- trader_midprice
- trader_min
- trader_minindex
- trader_minmax
- trader_minmaxindex
- trader_minus_di
- trader_minus_dm
- trader_mom
- trader_mult
- trader_natr
- trader_obv
- trader_plus_di
- trader_plus_dm
- trader_ppo
- trader_roc
- trader_rocp
- trader_rocr100
- trader_rocr
- trader_rsi
- trader_sar
- trader_sarext
- trader_set_compat
- trader_set_unstable_period
- trader_sin
- trader_sinh
- trader_sma
- trader_sqrt
- trader_stddev
- trader_stoch
- trader_stochf
- trader_stochrsi
- trader_sub
- trader_sum
- trader_t3
- trader_tan
- trader_tanh
- trader_tema
- trader_trange
- trader_trima
- trader_trix
- trader_tsf
- trader_typprice
- trader_ultosc
- trader_var
- trader_wclprice
- trader_willr
- trader_wma
Коментарии
timePeriod can be from 1 (not from 2)Working correctly, and tis is common need to calculate change from previos period.