update rugby notebook (pymc-devs#294)

* update rugby notebook

* fix myst substitutions

* rerun notebook

* xarray-einstats on conda-forge

Author: OriolAbril

examples/case_studies/rugby_analytics.ipynb

@@ -155,6 +155,7 @@
     "aesara": ("https://aesara.readthedocs.io/en/latest/", None),
     "arviz": ("https://arviz-devs.github.io/arviz/", None),
     "bambi": ("https://bambinos.github.io/bambi/main", None),
+    "einstats": ("https://xarray-einstats.readthedocs.io/en/stable/", None),
     "mpl": ("https://matplotlib.org/", None),
     "numpy": ("https://numpy.org/doc/stable/", None),
     "pandas": ("https://pandas.pydata.org/pandas-docs/stable/", None),

examples/conf.py

@@ -9,6 +9,16 @@ @article{ando2007bayesian
   publisher     = {Oxford University Press},
   doi           = {10.1093/biomet/asm017}
 }
+@article{baio2010bayesian,
+  title         = {Bayesian hierarchical model for the prediction of football results},
+  author        = {Baio, Gianluca and Blangiardo, Marta},
+  journal       = {Journal of Applied Statistics},
+  volume        = {37},
+  number        = {2},
+  pages         = {253--264},
+  year          = {2010},
+  publisher     = {Taylor \& Francis}
+}
 @article{bauer2005probing,
   title         = {Probing interactions in fixed and multilevel regression: Inferential and graphical techniques},
   author        = {Bauer, Daniel J and Curran, Patrick J},