[R-SIG-Finance] get.hist.quote

Tormod Sætre tormod.saetre at gmail.com
Tue Apr 3 13:48:13 CEST 2007


>>All of a sudden get.hist.quote cease to function, i switched to zoo after i
>>totally failed to get yahooImport to work. I've been using the below R
>>snippet for weeks without any problems what so ever.

><snip>

>>Error in if (!quiet && dat[n] != start) cat(format(dat[n], "time series
>>starts %Y-%m-%d\n")) :
>>          missing value where TRUE/FALSE needed

>This is because Yahoo recently changed the date format of its CSV files from
>"%d-%m-%y" to "%Y-%m-%d".  All that needs to be changed in 'get.hist.quote'
>is this line of code:
>from: dat <- as.Date(dat, "%d-%b-%Y")
>to: dat <- as.Date(dat, "%Y-%m-%d")

>Other similar functions (e.g. 'yahooImport') will likely have the same
>problem.

Yes - or at least I can't get yahooImport to work. I have tried to fix
it by manipulating the function, but with no success. Can anyone help
me?

Regards

Tormod Sætre



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