# TopPhiBand

Admissible friction angles for the unlogged top segment.

Usage

[Source](https://github.com/lornearnold/driven-pile/blob/main/src/driven_pile/results.py#L157-L174)

``` python
TopPhiBand(
    phi,
    rms,
    lo,
    hi,
)
```

## Attributes

`phi: ndarray`  
Swept friction angles, deg.

`rms: ndarray`  
Root-mean-square log-fit residual at each swept value, kips.

`lo, hi: float`  
Lowest and highest admissible friction angles, deg.
