[R-SIG-Finance] Multi Asset portfolio failing at applyStrategy with 'data' must be of a vector type, was 'NULL'
Joshua Ulrich
josh.m.ulrich at gmail.com
Mon Aug 8 14:58:56 CEST 2016
On Mon, Aug 8, 2016 at 7:48 AM, golam sakline <golam.sakline at gmail.com> wrote:
> Hi All,
>
> I have an error at applyStrategy that is failing with "Error in array(x,
> c(length(x), 1L), if (!is.null(names(x))) list(names(x), : 'data' must be
> of a vector type, was 'NULL'" .
> I believe the problem is occurring at add.indicator function "RT" that
> takes in OHLC(mktdata) data and outputs an univariate series.
> This error doesn't occur when I replace RT with MACD function that takes in
> Cl(mktdata) rather than OHLC.
> This error doesn't occur when I am using RT function with a single asset in
> the symbol i.e. the length(symbol) = 1.
>
> What am I doing wrong or missing here?
>
It is nearly impossible for anyone to help you because your example
uses data (CSVs on your local hard drive) and functions (in
functions.R) that no one else has access to. And you suspect the
error is related to one of those functions...
> Thanks in advance. Much appreciated.
>
> G
>
> ##########################################################################
> rm(list = ls(all = TRUE))
> setwd("/Users/mm/Documents/R")
> library(lattice)
> library(timeSeries)
> library(timeDate)
> library(PerformanceAnalytics)
> library(quantmod)
> library(xts)
> library(blotter)
> library(TTR)
> library(quantstrat)
> library(FinancialInstrument)
> source("functions.R")
>
> setwd("/Users/mm/Documents/R/UAE")
> options("getSymbols.warning4.0" = FALSE)
> #sessionInfo()
>
> startDate = "2015-07-01"
> symbols <- c("DFMC", "ARTC", "EMAARMALLS", "DUBAIPARKS")
> Sys.setenv(TZ="UTC")
>
> getSymbols("DFM", src="csv",
> col.names=c("Open","High","Low","Close","Volume"))
> getSymbols(symbols, src="csv",
> col.names=c("Open","High","Low","Close","Volume"))
>
>
> initDate <- "2015-07-01"
> initEq <- 100000
> tradeSize <- initEq/length(symbols)
> currency("USD")
> stock(symbols, currency="USD",multiplier=1)
>
> myTheme<-chart_theme()
> myTheme$col$dn.col<- 'lightblue'
> myTheme$col$dn.border <- 'lightgray'
> myTheme$col$up.border <- 'lightgray'
>
>
> par(mfrow=c(2,2))
> for(symbol in symbols)
> {
> plot(chart_Series(get(symbol),name=symbol))
> }
> par(mfrow=c(1,1))
>
>
> if(exists('.strategy')) rm.strat(qs.strategy)
> if(!exists('.blotter')) .blotter <- new.env()
> if(!exists('.strategy')) .strategy <- new.env()
>
> qs.strategy <- "AD26"
> initPortf(qs.strategy, symbols, initDate=initDate)
> initAcct(qs.strategy,portfolios=qs.strategy, initDate=initDate,
> initEq=initEq)
> initOrders(portfolio=qs.strategy,initDate=initDate)
> strategy(qs.strategy,store=TRUE)
>
> add.indicator("AD26", name = "RT",
> arguments = list(x=quote(OHLC(mktdata))),label= "RT")
>
> summary(getStrategy(qs.strategy))
>
> #########################################################################
>
> add.signal(qs.strategy, name="sigCrossover",
> arguments=list(columns=c("Close", "RT"), relationship="gte"), label="Buy")
>
> add.signal(qs.strategy, name="sigCrossover",
> arguments=list(columns=c("Close", "RT"), relationship="lt"), label="Sell")
>
> #########################################################################
>
> summary(getStrategy(qs.strategy))
>
> #########################################################################
>
> add.rule(qs.strategy, name='ruleSignal',
> arguments = list(sigcol="Buy", sigval=TRUE,
> prefer ="open",
> replace = FALSE,
> orderqty = 10,
> osFUN = "osFixedDollar",
> ordertype='market',
> orderside='long',
> TxnFees=-5,
> orderset ="ocolong"
> ),
> type='enter',
> label = 'LE'
> )
>
> add.rule(qs.strategy, name='ruleSignal',
> arguments = list(sigcol="Sell", sigval=TRUE,
> replace = TRUE,
> prefer ="open",
> orderqty="all",
> ordertype='market',
> orderside='long',
> TxnFees=-5,
> orderset = "ocolong"
> ),
> type='exit',
> label = "LX"
> )
>
> add.rule(qs.strategy, name='ruleSignal',
> arguments = list(sigcol="Buy", sigval=TRUE,
> replace =FALSE,
> orderqty="all",
> ordertype='stoplimit',
> orderside='long',
> tmult = TRUE,
> threshold = quote(stopLossPercent),
> TxnFees=-5,
> orderset = "ocolong"
> ),
> type='chain',
> parent = "LE",
> label = "StopLossLong",
> enabled = FALSE
> )
>
> summary(getStrategy(qs.strategy))
>
> #enable.rule(qs.strategy, type="chain", label ="StopLoss")
>
> applyStrategy(strategy=qs.strategy , portfolios=qs.strategy, verbose=TRUE)
>
> updatePortf(qs.strategy)
> updateAcct(qs.strategy)
> updateEndEq(qs.strategy)
>
> checkBlotterUpdate("AD26", "AD26")
>
> ##################################################################
>
> OUTPUT:
>
<snip>
>> applyStrategy(strategy=qs.strategy , portfolios=qs.strategy, verbose=TRUE)
> *Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x),
> : *
> * 'data' must be of a vector type, was 'NULL'*
> *In addition: Warning messages:*
> *1: In min(j, na.rm = TRUE) :*
> * no non-missing arguments to min; returning Inf*
> *2: In max(j, na.rm = TRUE) :*
> * no non-missing arguments to max; returning -Inf*
> *Called from: array(x, c(length(x), 1L), if (!is.null(names(x)))
> list(names(x), *
> * NULL) else NULL)*
> Browse[1]>
>> updatePortf(qs.strategy)
> [1] "AD26"
>> updateAcct(qs.strategy)
> [1] "AD26"
>> updateEndEq(qs.strategy)
> [1] "AD26"
>>
>> checkBlotterUpdate("AD26", "AD26")
> [1] TRUE
>>
>> sessionInfo()
> R version 3.2.4 (2016-03-10)
> Platform: x86_64-apple-darwin13.4.0 (64-bit)
> Running under: OS X 10.11.6 (El Capitan)
>
> locale:
> [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] quantstrat_0.9.1739 foreach_1.4.3
> blotter_0.9.1741
> [4] FinancialInstrument_1.2.0 quantmod_0.4-5 TTR_0.23-1
>
> [7] PerformanceAnalytics_1.4.3541 xts_0.9-7 zoo_1.7-13
>
> [10] timeSeries_3022.101.2 timeDate_3012.100
> lattice_0.20-33
>
> loaded via a namespace (and not attached):
> [1] rsconnect_0.4.2.2 tools_3.2.4 codetools_0.2-14 grid_3.2.4
> iterators_1.0.8
>
> [[alternative HTML version deleted]]
>
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--
Joshua Ulrich | about.me/joshuaulrich
FOSS Trading | www.fosstrading.com
R/Finance 2016 | www.rinfinance.com
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