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On 20/01/12 06:38, arivald wrote:
Hello there,
I am trying to fit an exponential model using nls to some data.
#data
t<- c(0,15,30,60,90,120,240,360,480)
var<- c(0.36,9.72,15.50,23.50,31.44,40.66,59.81,73.11,81.65)
df<- data.frame(t, var)
# model
# var ~ a+b*(1-exp(-k*t))
# I'm looking for va
arivald gmail.com> writes:
> I am trying to fit an exponential model using nls to some data.
>
> #data
> t <- c(0,15,30,60,90,120,240,360,480)
> var <- c(0.36,9.72,15.50,23.50,31.44,40.66,59.81,73.11,81.65)
> df <- data.frame(t, var)
>
> # model
> # var ~ a+b*(1-exp(-k*t))
>
> # I'm lo
Hello there,
I am trying to fit an exponential model using nls to some data.
#data
t <- c(0,15,30,60,90,120,240,360,480)
var <- c(0.36,9.72,15.50,23.50,31.44,40.66,59.81,73.11,81.65)
df <- data.frame(t, var)
# model
# var ~ a+b*(1-exp(-k*t))
# I'm looking for values of a,b and k
#
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