[R] Converting data frame to its object results in matrix of strings

[R. Michael Weylandt]

Try this:

x <- xts(as.character(1:10), Sys.Date() + 0:9)
storage.mode(x) <- "double"

Michael

On Fri, Apr 6, 2012 at 1:13 PM, Noah Silverman <noahsilverman at ucla.edu> wrote:
> Hi,
>
> I have a rather large data frame (500 x 5000) that I want to convert to a proper xts object.
>
> I am able to properly generate an xts object with the correct time index.  However, all of my numerical values are now strings.
>
> b <- as.xts(a[,2:dim(a)[2]], order.by=as.POSIXct(strptime(paste(a$Date), '%m/%d/%Y')))
>
> My guess is that somewhere in the large data frame there are a few strings hiding that is causing the who thong to be converted to string.
>
> Is there some way to force the as.xts function to ignore the strings and keep everything numeric?
>
>
> Thanks!
>
>
> --
> Noah Silverman
> UCLA Department of Statistics
> 8208 Math Sciences Building
> Los Angeles, CA 90095
>
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