Trend that saturates on only one end
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enhancement
- 主要言語
- Python
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- マージ済み PR（30日）
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説明
The logistic growth trend saturates at both lower and upper bounds. It would be useful to have a trend that saturates only on one end, e.g. that saturates at 0 but does not require specifying an upper bound.
This will require adding a new trend, adding to the linear and logistic growth trends that we already have. I think that the logistic loss function $log(1 + exp(k * (t - m)))$ should work very nicely.
If anyone is interested in making a PR for this we can discuss what is involved.
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