Update regression approach powerlaw authored by Jamie Engelhardt Simon's avatar Jamie Engelhardt Simon
--- ---
title: regression approach - powerlaw title: regression approach - powerlaw
--- ---
## Dependency ## Dependency
It is assumed the data can be described by a power law, expressed either as Y or X dependent (referring to the second and first axis on a fatigue curve). It is assumed the data can be described by a power law, expressed either as Y or X dependent (referring to the second and first axis on a fatigue curve).
...@@ -71,7 +72,7 @@ where $k$ is the number of points in the data-series. ...@@ -71,7 +72,7 @@ where $k$ is the number of points in the data-series.
**Step 4** **Step 4**
<br> <br>
Perform _minmax_ normalization. By doing so ensures that the features used by the model have similar scales and aid in faster convergence and accuracy. Perform _minmax_ normalization. By doing so ensures that the features used by the model have similar scales, it also aids in faster convergence and accuracy.
```math ```math
X_{d,s} = \frac{X_d - X_{\textrm{d,min}}}{X_{\textrm{d,max}} - X_{\textrm{d,min}}}, \quad X_{d,s} = \frac{X_d - X_{\textrm{d,min}}}{X_{\textrm{d,max}} - X_{\textrm{d,min}}}, \quad
... ...
......