Message-ID: <CAO43Po4eXGCkmk-+nTakWG3fsuzxXiBaiTkP=QANJmdEyscsnA@mail.gmail.com>
Date: 2011-10-28T15:52:01Z
From: Joe Stuart
Subject: time series - cbind
In-Reply-To: <F5D699CC-4922-4136-92C4-C06262233C72@comcast.net>
I will. Thanks
On Fri, Oct 28, 2011 at 10:18 AM, David Winsemius
<dwinsemius at comcast.net> wrote:
>
> On Oct 28, 2011, at 10:32 AM, Joe Stuart wrote:
>
>> Hi,
>> I have a time series ts.score that gets created based on a function.
>> When I print the time series out it prints two rows, first the date
>> then the value.
>>
>> 2011-06-14
>> -1.25947868
>>
>> The function gets called multiple times in my script and I'm trying to
>> append the time series to an object called ts.bind using the cbind
>> function like so. The only problem I have is that the date is an index
>> for all of the columns, which is only correct for the first column. Is
>> there a way that I can associate the correct dates with each column?
>
> You should look at the 'zoo' package. It supplies merge and cbind methods
> for its zoo-class objects that will properly align values by their index.
> Many people have experienced the problems you are currently seeing and ....
> "zoo" is the solution.
>
>>
>> ts.bind <- cbind(ts.bind, ts.score)
>>
>> ? ? ? ? ? ? ? ? ? ? ? ts.score ? ? ? ? ?ts.score ? ? ? ? ?ts.score
>> ? ts.score ? ? ? ?ts.score
>> 2010-10-14 ? 1.06493449 ? 0.96323675 ? 1.13255734 ? -0.3060238
>> ?1.0083540
>> 2010-10-15 ? 0.51371978 ?-0.54348798 ? 0.82563515 ? -0.8808261
>> ?0.9578659
>> 2010-10-18 ? 0.03667826 ? 0.25904910 ? 0.56100008 ? -1.0084433
>> ?0.5220185
>> 2010-10-19 ?-2.32490163 ? 0.08469947 ? 0.09021838 ? -1.7677688
>> ?0.7954248
>> 2010-10-20 ?-1.52627229 ? 0.15408516 ? 0.16440753 ? -1.4923426
>> ?0.5221617
>>
>> I appreciate any help.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> David Winsemius, MD
> West Hartford, CT
>
>