Dear Christian,
it works great, and it is simple to understand, thank you very much.
just a detail, is it possible to plot just the fitted curve and not
the data? it's because I would like to have data in black and the
fitted curve in red.. I don't know how to pick up the single parts, if
I
Dear Christian,
it works great, and it is simple to understand, thank you very much.
just a detail, is it possible to plot just the fitted curve and not
the data? it's because I would like to have data in black and the
fitted curve in red.. I don't know how to pick up the single parts, if
I
Dear Simone,
you can use the package 'drc' to fit a logistic model, that is a non-linear
regression
model based on the equation c+(d-c)/(1+exp(b(x-e))), to your data (below named
'simone'):
## Fitting a 4-parameter logistic model (also called Boltzmann model)
simone.m1 <- drm(size~x, data=sim
On Wednesday 05 December 2007, Simone Gabbriellini wrote:
> hello,
>
> I have this simple question. This is my dataset
>
> size
> 1 57
> 2 97
> 3 105
> 4 123
> 5 136
> 6 153
> 7 173
> 8 180
> 9 193
> 10202
> 11213
> 12219
> 13224
> 14224
hello,
I have this simple question. This is my dataset
size
1 57
2 97
3 105
4 123
5 136
6 153
7 173
8 180
9 193
10 202
11 213
12 219
13 224
14 224
15 248
16 367
17 496
18 568
19 618
20
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