restorePar | R Documentation |
Restore scaled parameters to their original units. Used in minimization by calcMin
.
restorePar(S,pvec)
S |
scaled parameter vector. |
pvec |
a data frame comprising four columns -
|
Restoration algorithm: P = P_{min} + (P_{max} - P_{min}) (sin(\frac{\pi S}{2}))^2
Parameter vector converted from scaled units to original units specified by pvec
.
Jon T. Schnute, Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo BC
scalePar
, calcMin
, GT0
local(envir=.PBSmodEnv,expr={
pvec <- data.frame(val=c(1,100,10000),min=c(0,0,0),max=c(5,500,50000),
active=c(TRUE,TRUE,TRUE))
S <- c(.5,.5,.5)
P <- restorePar(S,pvec)
print(cbind(pvec,S,P))
})
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