search for: wtmod

Displaying 2 results from an estimated 2 matches for "wtmod".

2003 Jul 15
7
Excel can do what R can't?????
...dle around with it, and if you come up with something, PLEASE let me know- In the meantime, I've got to start fiddling with excel and figuring out how to automate the solver calculation..... Briefly, the point of the program is to approximate the model output from an iterative calculation, Wtmod and Hgtmod, to user-specified endpoints Wt and Hgt, by seeking the optimal values of p, ACT involved in the iterative process. Also, if your interested in recent correspondence that explains the point of the program a bit, and how the function ties in to the iterative process, search the R hel...
2003 Jul 14
2
problem with coding for 'optim' in R
...t; dimnames (bioday) <-list(NULL, c("jday", "W", "C", "ASMR", "SMR", "A", "F", "U", "SDA", "Gr", "Ed", "GHg", "EGK", "Hg")) > > #bioday > > Wtmod<- bioday [length(W),2] > Wtmod [1] 32.20906 > > Hgtmod<- bioday [length(Hg),14] > Hgtmod [1] 0.1099862 > > f <- (((Wt-Wtmod)^2 + (Hgt-Hgtmod)^2)/2)^2 ; f [1] 1.682521e-09 > > q [1] 0.5586263 1.6676452 > > #warnings() > > write.table (bioday,...