search for: coefderiv

Displaying 1 result from an estimated 1 matches for "coefderiv".

2006 Jan 13
1
first derivative of a time series
Hi, I need to derive a time series that represents the first derivative of an original time series. The function coefDeriv in the cyclones package seemed to be the ticket, but I'm not sure if I am interpreting the output of the function correctly...or even using the function correctly. This is a snipbit of what I've been trying: -------- library(cyclones) ## read in my 1-column of values, each line is a diffe...