I have read through the documentation for quantstrat and gone through some
examples (RSI, MACD, Faber) but am a bit lost as to whether I can creatively
use the features of this package to create a custom indicator as follows:
-I have N securities
-I want to pass each of those N securities along with N+1 constants to a
user created function called myfunction().
-the user created function myfunction() performs some arithmetic operations
and returns a single time series.
In this example, lets say N = 4
c1 <- 1
c2 <- 2
c3 <- 3
c4 <- 4
c5 <- 5
myStrat <- strategy("myStrat")
myStrat <- add.indicator(strategy = myStrat, name = "myfunction", arguments
= list(symbols[1], symbols[2], symbols[3], symbols[4], c1, c2, c3, c4, c5))
I have tried this and when I call applyStrategy I get multiple errors -
a) c1 is not found
b) when I removed c1-c5 and defined them in myfunction instead, I got:
Error in .Internal(get(x, envir, mode, inherits)) : 'x' is missing
It seems its expecting arguments in the form x=quote(Cl(mktdata)). I'm not
sure I can use that as my argument to myfunction as this user created
function needs to treat each individual time series in a unique way i.e. it
is performing a proprietary arithmetic operation.
Any guidance would be greatly appreciated.
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