On Jun 7, 2012, at 12:55 , Gabor Grothendieck wrote:
> On Wed, Jun 6, 2012 at 4:40 PM, May Katharina
> <may.kathar...@googlemail.com> wrote:
>> On Jun 6, 2012, at 10:19 , Gabor Grothendieck wrote:
>>
>>> On Wed, Jun 6, 2012 at 3:55 PM, May Katharina
>>> <may.kathar...@googlemail.com> wrote:
>>>> Hello,
>>>>
>>>> I'm trying to use na.spline (package zoo) to fill some missing data in a
>>>> time series.
>>>> this works fine, however, if I apply the 'maxgap' argument, I always get
>>>> the error:
>>>> <------
>>>> Error in na.spline.vec(x., coredata(object.), xout = xout., ...) :
>>>> attempt to apply non-function
>>>> ------>
>>>>
>>>> I couldn't find a similar error for this case in the mailing lists and zoo
>>>> vignette, I hope I didn't
>>>> miss any basic thing, but as I don't know how to proceed, any help on why
>>>> this isn't working
>>>> is very much appreciated (I guess I don't have to mention I'm new to time
>>>> series & zoo and that I'm terrible sorry if this is
>>>> an absolute dull question).
>>>>
>>>> The data I use is rather large, but the error can be reconstructed in a
>>>> small example (s. below).
>>>> If of any interest: I use R 2.15.0 GUI 1.51 Leopard build 32-bit (6148).
>>>>
>>>> Many thanks and best regards, Katharina
>>>>
>>>>
>
> Yes, it seems that that bug hid a second bug and I have now hopefully
> removed both. Try this (or download and build the zoo package from
> R-Forge):
>
>> library(zoo)
>>
>> # source revised code
>> source("http://r-forge.r-project.org/scm/viewvc.php/*checkout*/pkg/zoo/R/na.spline.R?root=zoo";)
>> source("http://r-forge.r-project.org/scm/viewvc.php/*checkout*/pkg/zoo/R/na.approx.R?root=zoo";)
>> na.spline(z, maxgap = 2)
> 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914
> 1915
> 1 2 3 4 NA NA NA 8 9 10 11 12 13 14 NA NA
> 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929
> NA 18 19 20 21 22 23 24 25 26 27 28 29 30
>>
Many thanks, it works like a dream now!
Great package and great support...
Best regards, Katharina
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