【发布时间】:2016-04-13 17:00:51
【问题描述】:
我正在尝试优化交易策略的 MACD 参数,但不幸的是我被paramset.label 值所困。这是代码:
################################# MACD PARAMETERS OPTIMIZATION
.fastMA <- (20:40)
.slowMA <- (30:70)
.nsamples = 10
strat.st <- 'volStrat'
# Paramset
add.distribution(strat.st,
paramset.label = 'EMA',
component.type = 'indicator',
component.label = 'macd.out',
variable = list(n = .fastMA),
label = 'nFast'
)
add.distribution(strat.st,
paramset.label = 'EMA',
component.type = 'indicator',
component.label = 'macd.out',
variable = list(n = .slowMA),
label = 'nSlow'
)
add.distribution.constraint(strat.st,
paramset.label = 'EMA',
distribution.label.1 = 'nFast',
distribution.label.2 = 'nSlow',
operator = '<',
label = 'nFast<nSlow'
)
results <- apply.paramset(strat.st,
paramset.label = 'EMA',
portfolio = portfolio2.st,
account = account.st,
nsamples = .nsamples,
verbose = TRUE)
stats <- results$tradeStats
print(stats)
当我运行它时,每个样本都会出现这个错误:
evaluation # 1:
$param.combo
nFast nSlow
379 23 51
[1] "Processing param.combo 379"
nFast nSlow
379 23 51
result of evaluating expression:
<simpleError in strategy[[components.type]][[index]]: subscript out of bounds>
got results for task 1
numValues: 1, numResults: 1, stopped: FALSE
returning status FALSE
然后,对于最后一个,这是错误:
evaluation # 10:
$param.combo
nFast nSlow
585 40 60
[1] "Processing param.combo 585"
nFast nSlow
585 40 60
result of evaluating expression:
<simpleError in strategy[[components.type]][[index]]: subscript out of bounds>
got results for task 10
numValues: 10, numResults: 10, stopped: FALSE
first call to combine function
evaluating call object to combine results:
fun(result.1, result.2, result.3, result.4, result.5, result.6,
result.7, result.8, result.9, result.10)
error calling combine function:
<simpleError in fun(result.1, result.2, result.3, result.4, result.5, result.6, result.7, result.8, result.9, result.10): attempt to select less than one element>
numValues: 10, numResults: 10, stopped: TRUE
我真的不明白我该如何解决它。 谁能解决这个问题?
非常感谢
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