a problem about tester's data
I have prepared data for strategy teater as below: open a chart window, zoom out, then mouse left down, drag towards to right from left, many new bars coming; so this behavior has download recent data in the current time frame; now I download like this from 2013.12.1 to now. after this, I download this pair data of 2001.1.1 to 2012.11.29 from internet and import. now I test an EA in strategy tester on the period from 2012.1.1 to now and select "visual mode"; I find that the EA runs very fast before 2012.11.29, and become very slow from 2012.12.1 to now; so it is because the data of 2012.1.1 to now includes more information?
- what is the ticket means in tester strategy?
- About data for strategy tester
- Alpha9 EA *** Released to TSD Elite Members ***
vx0532:
I have prepared data for strategy teater as below: open a chart window, zoom out, then mouse left down, drag towards to right from left, many new bars coming; so this behavior has download recent data in the current time frame; now I download like this from 2013.12.1 to now. after this, I download this pair data of 2001.1.1 to 2012.11.29 from internet and import. now I test an EA in strategy tester on the period from 2012.1.1 to now and select "visual mode"; I find that the EA runs very fast before 2012.11.29, and become very slow from 2012.12.1 to now; so it is because the data of 2012.1.1 to now includes more information?
Compare the bar tick count (volume) before 1st Dec 2012 and after, I suspect your bar after will have many, many more tick per bar than before and it takes time to replay all these ticks.
I have prepared data for strategy teater as below: open a chart window, zoom out, then mouse left down, drag towards to right from left, many new bars coming; so this behavior has download recent data in the current time frame; now I download like this from 2013.12.1 to now. after this, I download this pair data of 2001.1.1 to 2012.11.29 from internet and import. now I test an EA in strategy tester on the period from 2012.1.1 to now and select "visual mode"; I find that the EA runs very fast before 2012.11.29, and become very slow from 2012.12.1 to now; so it is because the data of 2012.1.1 to now includes more information?
RaptorUK:
Compare the bar tick count (volume) before 1st Dec 2012 and after, I suspect your bar after will have many, many more tick per bar than before and it takes time to replay all these ticks.
Compare the bar tick count (volume) before 1st Dec 2012 and after, I suspect your bar after will have many, many more tick per bar than before and it takes time to replay all these ticks.
yes, I think so.
My question is whether it matters much for test result that there is many ticks or few tick in a bar?
vx0532:
You know your Strategy, so you are the best person to answer the question . . . for some strategies it matters greatly, for others it doesn't matter at all and for those using Open prices is enough.
yes, I think so.
My question is whether it matters much for test result that there is many ticks or few tick in a bar?
RaptorUK:
You know your Strategy, so you are the best person to answer the question . . . for some strategies it matters greatly, for others it doesn't matter at all and for those using Open prices is enough.
You know your Strategy, so you are the best person to answer the question . . . for some strategies it matters greatly, for others it doesn't matter at all and for those using Open prices is enough.
Ok, Thank you.
vx0532:
I have prepared data for strategy teater as below: open a chart window, zoom out, then mouse left down, drag towards to right from left, many new bars coming; so this behavior has download recent data in the current time frame; now I download like this from 2013.12.1 to now. after this, I download this pair data of 2001.1.1 to 2012.11.29 from internet and import. now I test an EA in strategy tester on the period from 2012.1.1 to now and select "visual mode"; I find that the EA runs very fast before 2012.11.29, and become very slow from 2012.12.1 to now; so it is because the data of 2012.1.1 to now includes more information?
I have prepared data for strategy teater as below: open a chart window, zoom out, then mouse left down, drag towards to right from left, many new bars coming; so this behavior has download recent data in the current time frame; now I download like this from 2013.12.1 to now. after this, I download this pair data of 2001.1.1 to 2012.11.29 from internet and import. now I test an EA in strategy tester on the period from 2012.1.1 to now and select "visual mode"; I find that the EA runs very fast before 2012.11.29, and become very slow from 2012.12.1 to now; so it is because the data of 2012.1.1 to now includes more information?
You should to Check the tick account.
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