# LOOComparison


Comparison of two PSIS-LOO results on the same data.


Usage

``` python
LOOComparison(
    elpd_diff,
    se_diff,
)
```


## Attributes


`elpd_diff: float`  
Difference in ELPD_LOO: `result1.elpd_loo - result2.elpd_loo`. Positive means `result1` is preferred; negative means `result2`.

`se_diff: float`  
Standard error of `elpd_diff`, computed from the pointwise differences using `sqrt(n * var(pointwise1 - pointwise2))`.