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Bryan Pettitt
2011-03-04 02:02:38


I am getting an error in a formula when using extern symbols as inputs to a neural network. The error is:
Syntax error on "^", state 403, expecting: PLUS MINUS NEG .... Error while compiling formula

An example of some of the external symbols I am trying to use as inputs are:
Extern Symbol Symbol: ^DJT - Field: close
Extern Symbol Symbol: ^DJI - Field: volume

Also, is there a way to define an input to the neural network as the 30 day moving average of the volume from an external symbol (e.g. MvAvg(30, DowIndustrial, Volume)?

Thanks


QuantShare
2011-03-04 03:47:05

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Best Answer
This problem was fixed few days ago. The fix will be available in the next release.

- Instead of using "External Symbol" type, select "Formula" then type: GetSeries("^DJT", close) or GetSeries("^DJI", volume)

- To add this SMA input, select "Formula" then type:
sma(GetSeries("^DJI", volume), 30)


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