Binning example notebook (#229)

* create truncated regression example

* delete truncated regression example from main branch

* initial commit of binning example

* fix math rendering issue

* First cell now follows post cell directive

* sphinx cross-reference

* use xarray for scatter plots

* xarray names dims for mean calculation

* update to latest advise in style guide

Co-authored-by: Benjamin T. Vincent <[email protected]>
Co-authored-by: Oriol (ZBook) <[email protected]>

Author: 3 people

examples/case_studies/binning.ipynb

@@ -4,6 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "(diagnosing_with_divergences)=\n",
     "# Diagnosing Biased Inference with Divergences"
    ]
   },

examples/case_studies/gates.png

@@ -9,6 +9,7 @@ Gallery.contents = {
     "case_studies/mediation_analysis": "Case Studies",
     "case_studies/bayesian_ab_testing": "Case Studies",
     "case_studies/item_response_nba": "Case Studies",
+    "case_studies/binning": "Case Studies",
     "diagnostics_and_criticism/Diagnosing_biased_Inference_with_Divergences": "Diagnostics and Model Criticism",
     "diagnostics_and_criticism/model_comparison": "Diagnostics and Model Criticism",
     "diagnostics_and_criticism/posterior_predictive": "Diagnostics and Model Criticism",