On Jun 29, 2011, at 2:37 PM, Filipe Leme Botelho wrote:
Hi Tom,
At least to me it´s hard to picture what´s wrong without further
details regarding your data. I use spline/linear interpolation of
time series regularly, so maybe this example help you out.
ci_x
[1] 1 4 69 131 194 256 320 382
ci_y
[1] 0.1211 0.1213 0.1233 0.1241 0.1250 0.1254 0.1255 0.1255
approx(x=ci_x, y=ci_y, n=ci_x[length(ci_x)])$y
Regards,
Filipe.
-----Mensagem original-----
De: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
project.org] Em nome de tomtomme
Enviada em: quarta-feira, 29 de junho de 2011 12:28
Para: r-help@r-project.org
Assunto: [R] time series interpolation
Hi there,
I´ve got a datatable in R which I try to interpolate with this and
get the
Error below:
new$temp<- approx(w03_11temp$temp, n = (nrow(w03_11temp)*5))$y
It looks to me that you are trying to assign a column vector into a
dataframe but you are constructing it with five times as many elements
as the dataframe has rows. I am unable to explain the error message,
however. You say this is a 'datatable', so maybe the datatable
maintainers would have a better idea, assuming you are using your
terms correctly.
Error in new$temp <- approx(w03_11temp$temp, n = (nrow(w03_11temp) *
5))$y :
Object of type 'closure' not registered
Any idea?? Thanks a lot.
--
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