On 28 Mar 2014, at 18:09 , KIRA <396884...@qq.com> wrote:
> Hi R,
> I am a new Chinese user of R, I like this language very much.In the
> recent months,I spend over 4 hours every day leanring R,but during the
> learning I come across some problems I can not understand.For R is still not
> very popular in China,I ask some net friends but nobody can give me a
> satisfactory answer,so I have to ask for your help. In the package quatmod,
> getSymbols is a useful tools to fetch datas form the Internet but it often
> can not work when I use it,such as
> getSymbols("APPL",src="yahoo") or
> getSymbols("APPL",from="2007-01-03",to=Sys.Date()) .It should be useful
> because many books have already shown it ,but As of 0.4-0, ‘getSymbols’
> uses env=parent.frame() and
> auto.assign=TRUE by default.
> This behavior will be phased out in 0.5-0 when the call will
> default to use auto.assign=FALSE. getOption("getSymbols.env") and
> getOptions("getSymbols.auto.assign") are now checked for alternate defaults
> This message is shown once per session and may be disabled by setting
> options("getSymbols.warning4.0"=FALSE). See ?getSymbol for more details
> 错误于download.file(paste(yahoo.URL, "s=", Symbols.name, "&a=", from.m, :
>
> 无法打开URL'http://chart.yahoo.com/table.csv?s=APPL&a=0&b=03&c=2007&d=2&e=29&f=2014&g=d&q=q&y=0&z=APPL&x=.csv'
> 此外: 警告信息：
> In download.file(paste(yahoo.URL, "s=", Symbols.name, "&a=", from.m, :
> 无法打开: HTTP状态是'404Not Found'
> I want to know why.Maybe it due to the damn Great Firewall. I hope you can
> reply to me when convenience. Best ragards.(My English is not fluent, please
> do not mind)
>
It could be, but that particular URL doesn't work for me either when pasted to
a browser.
I believe the ticker for Apple Inc. is AAPL, not APPL.
>
> A Chinese R user & lover.
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd....@cbs.dk Priv: pda...@gmail.com
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