(gallery_ridge_multiple)=

# Ridge plot for multiple models

Visual representation of marginal distributions over the y axis showing for multiple models



::::::{tab-set}
:class: full-width
:sync-group: backend

:::::{tab-item} Matplotlib
:sync: matplotlib

![Matplotlib version of plot_ridge_multiple](_images/plot_ridge_multiple.png)

:::::

:::::{tab-item} Bokeh
:sync: bokeh

```{bokeh-plot}
:source-position: none

from bokeh.plotting import show

from arviz_base import load_arviz_data

import arviz_plots as azp

azp.style.use("arviz-variat")

centered = load_arviz_data("centered_eight")
non_centered = load_arviz_data("non_centered_eight")

pc = azp.plot_ridge(
{
"centered": centered,
"non-centered": non_centered
},
coords={"school":["Deerfield", "St. Paul's", "Hotchkiss"]},
backend="bokeh" # change to preferred backend
)
pc.add_legend("model")


# for some reason the bokeh plot extension needs explicit use of show
show(pc.viz["figure"].item() if pc.viz["figure"].item() is not None else pc.viz["plot"].item())
```

Link to this page with the [bokeh tab selected](https://arviz-plots.readthedocs.io/en/latest//gallery/plot_ridge_multiple.html?backend=bokeh#synchronised-tabs)
:::::

:::::{tab-item} Plotly
:sync: plotly

```{jupyter-execute}
:hide-code:

from arviz_base import load_arviz_data

import arviz_plots as azp

azp.style.use("arviz-variat")

centered = load_arviz_data("centered_eight")
non_centered = load_arviz_data("non_centered_eight")

pc = azp.plot_ridge(
{
"centered": centered,
"non-centered": non_centered
},
coords={"school":["Deerfield", "St. Paul's", "Hotchkiss"]},
backend="plotly" # change to preferred backend
)
pc.add_legend("model")
pc.show()
```

Link to this page with the [plotly tab selected](https://arviz-plots.readthedocs.io/en/latest//gallery/plot_ridge_multiple.html?backend=plotly#synchronised-tabs)
:::::
::::::

```{literalinclude} _scripts/plot_ridge_multiple.py
:emphasize-lines: 16
```



:::{seealso}
API Documentation: {func}`~arviz_plots.plot_ridge`
:::



## Other examples with `plot_ridge`

```{eval-rst}
.. minigallery:: plot_ridge
```


:::{div} example-plot-download
{download}`Download Python Source Code: plot_ridge_multiple.py<_scripts/plot_ridge_multiple.py>`
:::