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Results tagged with standard-error
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user 334167
Refers to the standard deviation of the sampling distribution of a statistic calculated from a sample. Standard errors are often required when forming confidence intervals or testing hypotheses about the population from which the statistic was sampled.
3
votes
How to get standards errors of the parameters of a non-linear model (R and Excel)
If your model is
$$
D=\frac{1}{1+e^{S(I-d)}},
$$
then you get
$$
1-D=1-\frac{1}{1+e^{S(I-d)}} = \frac{1+
e^{S(I+d)}-1}{1+e^{S(I+d)}} =\frac{e^{S(I-d)}}{1+e^{S(I-d)}}
$$
Which means that
$$
\frac{1-D}{ …
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