Problems with simulated retesting
Author: running666, Created: 2018-05-15 23:38:39, Updated:Write a simple program that logically should get the K-line data every hour and then display it in the log; for example, if I run a retest at 0, it should display the log at 1, 2, or 3, but why is the log time in my retest not an integer?
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The Little DreamYes, you set the consultation Sleep interval to a certain time. The program executes a loop, but in addition, GetRecords These function calls are time-expended, including other function calls, although the time may be small, but it is not negligible in the actual run, after running a certain time, the time of output logs will be pushed forward.
The Little DreamThis is not necessarily the problem, it has to be a combination of strategy, code, analysis.
running666This is my understanding. Because the missing k-line data of 1 minute in the range is relatively severe, the bottom k-line selected for 1 minute cannot successfully simulate tick generated data, so no backtest logs will be generated; The k-line absence rate is less severe for periods larger than 1 minute in the range, so it is possible to generate good analog tick data, so backtest logs are generated. I don't know if that's true or not.
running666The test code is the same as it was at the beginning. def main (: while True: kList = exchange.GetRecords ((PERIOD_H1)) is the name of the file. Log ((kList[-1]) Sleep (((3600000) is the name of the game
The Little DreamThis is your test code.
running666Thank you. There is one more question. Or the strategy code above, I'm going to retest the time selection. I did two experiments, one where the bottom k-line was selected for 1 minute, and the other where the bottom k-line was selected for 15 minutes. Why is there no log output in the case of 1 minute and log data every 1 hour from November 1 to November 16 in the case of 15 minutes? https://dn-filebox.qbox.me/3f2017ddb9b336d278c065e3021b8c3e4b1ee191.png https://dn-filebox.qbox.me/b59599c9b43890fa6da5dad449d41c1d890ngdn1.png https://dn-filebox.qbox.me/6f0b8d0018ba6d54c7941f2f3605debd735043.png https://dn-filebox.qbox.me/7f94b9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9d9
The Little DreamThis cannot be guaranteed, because there is a delay when you request data, this must have an error time, and it is unlikely to be 100% complete at that time.
running666OK, thank you. Is there a way to get my program to run on the whole, like get k-string data at the whole of 1, 2, or 3?