YAHOO-INDEX_GSPC.csv

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Getting more data and meshing data sets. You can read doc as readily as I. Vijay Choudhary Not sure if you work for Xignite but you won't get many takers at those sort of prices. Can you please post a same code that just prints the value from the CSV into the log. Spot on, in Rb, the new detectImportOptions function provides more control over how datetimes are created by readtable.

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the path to weymouthhotels.info file is relative. if the file is not in your current working directory python will not find it.

You can certainly use Quandl for testing and prototyping to see if buying a better data set might be worth it. Head on over to quandl. After that, click on "download," choosing CSV. Easy as that, now we've got a CSV. Next we need to read it and load it into our DataFrame.

Turns out Pandas does all of this, so let's do it! Most of this remains the same except for the end. You can see here that we have a new try-except statement, containing the definition of the sp date and value.

Which has dates like this: Then I import it like this: Direct link to this answer: Answer by dpb dpb view profile. I presume the newer datetime class has its equivalent but I'm at Rb here so can't test.

You can read doc as readily as I. Walter Roberson view profile. Answer by Walter Roberson Walter Roberson view profile. If you are using Rb or later, and you wish to continue using datetime objects, then one approach would be to use. I dug thru the doc at some length, Walter, and found another for setvaropts that eventually led via links on subsequent pages to the formatting scheme for datetime.

There one finds a note that y or yy are interpreted based on the pivot year, but doesn't seem that TMW thought of letting one specify what pivot year is As complicated as they've made it, still didn't think of everything it appears Peter Perkins Peter Perkins view profile.

I think what you saw was "Note: If you read a two-digit year number and specify the format as y or yy, then the pivot year determines the century to which the year belongs. I'll make a note to have the doc improved. Spot on, in Rb, the new detectImportOptions function provides more control over how datetimes are created by readtable. It sounds like you want the pivot year to I tried this but I just get a syntax error: Ok to be clear I have: There was an error loading this backtest.

Backtest from to with initial capital. Returns 1 Month 3 Month 6 Month 12 Month. Alpha 1 Month 3 Month 6 Month 12 Month. Beta 1 Month 3 Month 6 Month 12 Month. Sharpe 1 Month 3 Month 6 Month 12 Month. Sortino 1 Month 3 Month 6 Month 12 Month. Volatility 1 Month 3 Month 6 Month 12 Month. There was a runtime error. Sorry for the inconvenience. Try using the built-in debugger to analyze your code.

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