On Tue, Nov 23, 2010 at 5:03 PM, Manta wrote:
>
>
> Gabor Grothendieck wrote:
>>
>> How to convert a monthly series to a daily series has already been
>> illustrated in multiple ways in this thread.
>>
>
> Fair enough. However, my last question was different. I simply want to know
> if there is a
Gabor Grothendieck wrote:
>
> How to convert a monthly series to a daily series has already been
> illustrated in multiple ways in this thread.
>
Fair enough. However, my last question was different. I simply want to know
if there is a simple neat way to import a monthly series as a zoo object
On Tue, Nov 23, 2010 at 4:41 PM, Manta wrote:
>
>
> Gabor Grothendieck wrote:
>>
>>> 2. How to import using as index 'Date' a monthly series (code below). The
>>> series in the US CPI from November 1979 to October 2010.
>>>
>>> z <- zoo(cpius$Value, as.Date("1979-11-30")+0:372)
>>
>> Assuming the
Gabor Grothendieck wrote:
>
>> 2. How to import using as index 'Date' a monthly series (code below). The
>> series in the US CPI from November 1979 to October 2010.
>>
>> z <- zoo(cpius$Value, as.Date("1979-11-30")+0:372)
>
> Assuming the question is how to turn this daily series into a monthly
On Tue, Nov 23, 2010 at 3:58 PM, Manta wrote:
>
> Ok this helps definitely! But I still would like to know
>
> 1. How to change from one index to another within a 'zoo' object
Using
z <- zooreg(1:10, start = as.yearmon("2000-01"), freq = 12)
Try
aggregate(z, as.Date, identity)
or
ti
Ok this helps definitely! But I still would like to know
1. How to change from one index to another within a 'zoo' object
2. How to import using as index 'Date' a monthly series (code below). The
series in the US CPI from November 1979 to October 2010.
z <- zoo(cpius$Value, as.Date("1979-11-30")
On Tue, Nov 23, 2010 at 1:11 PM, Manta wrote:
>
> Thanks as always Gabor.
>
> What I was looking for was to plot the daily series on the same graph of the
> monthly using the command 'lines'. That is why I wanted to change the index
> of one of the two, as it seems the reason why at the moment it
Thanks as always Gabor.
What I was looking for was to plot the daily series on the same graph of the
monthly using the command 'lines'. That is why I wanted to change the index
of one of the two, as it seems the reason why at the moment it is not
working!
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On Tue, Nov 23, 2010 at 12:53 PM, Manta wrote:
>
> Dear R community, I have the following two zoo objects:
>
> MONTHLY CPI
>
>> plot(z)
>> par("usr")
> [1] 1977.76333 2011.15333 70.39856 227.03744
>> z=zooreg(cpius$Value,as.yearmon("1979-11"),frequency=12)
>> str(z)
> ‘zooreg’ series from Nov 1
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