Pairplot with Reference Values

See also

API Documentation: plot_pair()

Matplotlib

import matplotlib.pyplot as plt

import arviz as az
import numpy as np

az.style.use("arviz-doc")

data = az.load_arviz_data("centered_eight")

coords = {"school": ["Choate", "Deerfield"]}
reference_values = {
    "mu": 0.0,
    "theta": np.zeros(2),
}

ax = az.plot_pair(
    data,
    var_names=["mu", "theta"],
    kind=["scatter", "kde"],
    kde_kwargs={"fill_last": False},
    coords=coords,
    reference_values=reference_values,
    figsize=(11.5, 5),
)

plt.show()

Download Python Source Code: matplotlib/mpl_plot_pair_reference_values.py

Bokeh

import arviz as az
import numpy as np

data = az.load_arviz_data("centered_eight")

coords = {"school": ["Choate", "Deerfield"]}
reference_values = {
    "mu": 0.0,
    "theta": np.zeros(2),
}

ax = az.plot_pair(
    data,
    var_names=["mu", "theta"],
    kind=["scatter", "kde"],
    kde_kwargs={"fill_last": False},
    coords=coords,
    reference_values=reference_values,
    figsize=(11.5, 5),
    backend="bokeh",
)

Download Python Source Code: bokeh/bokeh_plot_pair_reference_values.py