Dear all,
I would like to know whether positive or negative values of the phase spectrum
indicate that the time series leads or lags.
In my work, x and y have peak nearly at the same frequency,(eg:f=1/56);and
the coherency is peak where f=1/56,the phase is 0.5 where f=1/56.
Can I get the
Dear All£¬
How to do X-11 seasonal adjustment in R?
Thanks£¡
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Dear All,
How to do Hodrick-Prescott Filter in R?
Thanks!
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Dear All,
How to do band-pass filters,low-pass filters,high-pass filters in R?
Thanks!
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Dear All,
How to use SQL code in R?
Thanks!
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and
Dear all,
How to do ADF test ¡¢KPSS¡¢ PP¡¢GLS test in R£¿
Thanks a lot !
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Dear all£¬
Could you tell me how to compute Autocorrelation function use fft?
Thanks!
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Dear all,
Could you tell me how to create time series object,
time=c('2009-10-1','2009-10-3','2009-10-4'...)
data=c(124,231,240...)
Thanks!
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Dear all,
Is there some function in R to carry out Beveridge-Nelson decomposition?
Is there some function in R to carry out seasonal adjustments of time series?
Is there some function in R to carry out x11 or x12 seasonal adjustments ?
Thanks!
Best regards,
wang
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Dear all,
What is the usage of the ".Call()"?
What is the meaning of the follows:
S=.Call("RS_fractal_spectral_density_function_direct",x,as.vector(taper.),as.logical(center),as.logical(recenter),TRUE,as.integer(npad),COPY=rep(FALSE,6),CLASSES=c(rep("matrix",2),rep("logical",3),"integer")
Dear all£¬
Is there some functions to estimate the spectrum by the fft of
autocorrelation?
Is there Parzen's lag window in R ?Thank you!
Best wishes!
Wang
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Dear all,
I am searching the period of a time series usering R.
Is there some lag window functions in R?
Could you give me some books about spectral analysis usering R?
best wishes,
Wang
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