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    How to compress bar

    This looks like it might be helpful http://www.bigmiketrading.com/tradestation-multicharts-easylanguage-programming/13437-multi-timeframe-programming-easylanguage.html
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    How to compress bar

    What do you mean by "compress bars"? Can you give an example? Thanks
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    Are two samples from same population?

    Just reporting back to the thread contributors ... Another simple, intuitive method of comparing distributions seems to be the Q-Q plot ... http://en.wikipedia.org/wiki/Q-Q_plot R produces these very easily, and it seems to me to be an excellent way to get a good intuitive sense of how...
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    Bond and equity markets halted!!!

    Thank you. I feel so much better now...
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    US stock trading halted premarket?

    Today's is a tribute to KINGOFSHORTS, who normally starts these threads...
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    US stock trading halted premarket?

    I think Tsing Tao is on to something... good point!
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    US stock trading halted premarket?

    It shows an INCREDIBLE control over the media. Even the foreign press are silent on the subject... ... but I (like you) know that where there's smoke, there's fire ...
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    US stock trading halted premarket?

    This must be the BIG ONE!!!! Looks like it's started pre-market!!!!The scary thing is that there's no news on the wire... http://corporate.nyx.com/en/holidays-and-hours/nyse?sa_campaign=/internal_ads/homepage/08262008holidays...
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    backtesting software using fundamental and technical data, US stocks

    Not sure if this is the sort of thing you're looking for, but ... http://www.youtube.com/watch?v=22DygnRT-i4 BestNewsTrader was a NinjaTrader partner; but as far as I can see they are no longer in business. But perhaps you can track down some of the folks involved?
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    Rounding errors, loss of accuracy, and storing price and time data

    Impedance of free space, thanks!
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    Rounding errors, loss of accuracy, and storing price and time data

    Thanks!
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    Help needed with probability math

    Use Sharpe Ratio? On basis of a simplified approx calculation (assuming risk free rate = 0%) using... Annual SR = SQRT(250) * AVERAGE(daily PnL) / STDEV(daily PnL) I get Sys 1 SR = 0.8 Sys 2 SR = 9.3 Sys 2 looks much better on this basis.
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    Help needed with probability math

    Re-sorting the trades in increasing size order, and then plotting cumulative frequency for each system (I have no idea how to upload my plot of this ... sorry), shows that System 1 produces a higher proportion of trades greater than +10 than does System 2 ... So I would conclude P(t=6...
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    Are two samples from same population?

    You're welcome to keep posting here (indeed, it's considerably brightened a "statistics" discussion)... But doesn't nutmeg have a thread for this kind of thing? And so, aren't you depriving him (no I didn't write "depraving him") of content?
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    Are two samples from same population?

    Full respect for your approach, backblackdaddy! But there's lots of ways to skin a cat.
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    Are two samples from same population?

    Man who thinks only with dick is fucked in head ----- another Ancient Chinese Proverb
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    Are two samples from same population?

    Thanks! I'd meant to look into R... thanks for reminding me!
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    Are two samples from same population?

    Sorry, your serious point deserves a serious answer... I would assume the same criticism might be applied to testing two groups of patients for the effectiveness of a new treatment (apparently that is, or at least has been, a field of application of the two sample K-S test). After all, you...
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    Are two samples from same population?

    BUT He who has looked at river many, many times, will be first to notice when river has changed. ---- Ancient Chinese Proverb
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    Are two samples from same population?

    Thanks!
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