[R] time series - cbind

[Joe Stuart]

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.
>>
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>
> David Winsemius, MD
> West Hartford, CT
>
>