Rescales a numeric vector using an outlier-robust Sigmoidal transformation

\(z_{i} = \left[1 + \exp\left(-\frac{x_{i} - \text{median}(\mathbf{x})}{\text{IQR}(\mathbf{x})/{1.35}}\right)\right]^{-1}\)

Usage

robustsigmoid_scaler(x)

Arguments

x

numeric vector

Value

numeric vector

References

Fulcher, Ben D., Little, Max A., and Jones, Nick S. Highly Comparative Time-Series Analysis: The Empirical Structure of Time Series and Their Methods. Journal of The Royal Society Interface 10(83), (2013).

Author

Trent Henderson