search for: 24hsinusoids

Displaying 1 result from an estimated 1 matches for "24hsinusoids".

2008 Oct 27
2
Stuck with FFT
...tried researching this to no avail. I am awating a book that should describe fourier transforms in detail and another one that should discuss the R application. I know 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...