Bob,
On 7 November 2015 at 15:27, Robert Sherry <rsher...@comcast.net> wrote:
>
> I am trying to use the package quantmod to get option quotes in R.
> Therefore, I executed the following two commands:
> library ("quantmod" )
> getOptionChain("AAPL")
> The first one worked but the second one produced the following error
> message:
> Error in getOptionChain.yahoo(Symbols = "AAPL") :
> package:“XML”cannot be loaded.
> Therefore, I am thinking I need to install the package XML. To do so, I
> executed the following command:
> install.packages( "XML" )
> However, that command failed because it could not find the package XML.
> The following URL:
> https://cran.r-project.org/web/packages/XML/XML.pdf
> indicates to me that it does exist.
>
It also shows its webpage to be at http://www.omegahat.org/RSXML. On the
root of the site -- http://www.omegahat.org -- the installation command is
given as install.packages(packageName, repos = "http://www.omegahat.org/R";).
So perhaps, you should try install.packages("XML", repos = "
http://www.omegahat.org/R";) or install.packages("RSXML", repos = "
http://www.omegahat.org/R";) as one of those two should get you what you
want. Hope that helped... -- H
>
> I am hoping somebody can tell me what I am doing wrong.
>
> Thanks
> Bob
>
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--
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