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tp4651341
2012 Nov 28
1
Problems with nls
The problem is badly scaled -- parameters from very small to very big.
nlmrt package manages a bit better, but scaling would likely make it and
nls both happier. nlxb insists on having its data in a data frame.
Here's my code
rm(list=ls())
Laptop_sale <- c(1405,
1863,2027,2669,2938,5275,6595,6943,8621,10905,12420,22400,32380,31600,34900,43163,47838,47592)
CuSale <- Laptop_sale
time