Displaying 1 result from an estimated 1 matches for "premodl".
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premods
2009 Aug 10
1
manipulating text to generate different formulas to use in nls()
...m not interested in the last harmonic
inip <- par.ini[1:n, c(1, 3:5)] # neither in the second column
amps <- paste("A", 1:n, sep="")
phas <- paste("P", 1:n, sep="")
freqs <- paste("f", 1:n, sep="")
( premodl <- paste(amps, " * cos(2*pi*", freqs, "*x - ", phas, ")", sep="") )
## In the two following instructions, "modl" and "initP" are defined by hand. This is what I
want to generate "automagically" depending on the number of ha...