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sinoidal
2008 Oct 27
2
Stuck with FFT
...what the command line is but I can't get it to refer to the array.
What is 'z'? If I have a table open entitled '24hsinusoids' with date/ time
column by the hour from January 01 2008 00:00 to January 02 2011 00:00
(X01.06.2008) (time column listed as X00:00) with corresponding sinudoidal
signal value column (X100) to give a complete curve for 24hours spread as
curves over the whole time-span, how can I fft from this table?
fft(z, inverse = FALSE) gives me as; object 'z' not found.
Please help and explain how R recognises the table and does fft's from it.
The time-seri...