Merge branch 'main' into i-524

Author: mmcky

.github/workflows/linkcheck.yml

@@ -2,7 +2,7 @@ name: Link Checker (lychee)
 on:
   schedule:
     # UTC 23:00 is early morning in Australia (9am)
-    - cron:  '0 23 * * *'
+    - cron:  '0 23 * * 1'
   workflow_dispatch:
 jobs:
   link-checking:
@@ -21,7 +21,7 @@ jobs:
         uses: lycheeverse/lychee-action@v2
         with:
           fail: false
-          args: --accept 403,503 *.html
+          args: --accept 200,403,503 *.html
       - name: Create Issue From File
         if: steps.lychee.outputs.exit_code != 0
         uses: peter-evans/create-issue-from-file@v5

lectures/_static/quant-econ.bib

@@ -2,6 +2,36 @@
 QuantEcon Bibliography File used in conjuction with sphinxcontrib-bibtex package
 Note: Extended Information (like abstracts, doi, url's etc.) can be found in quant-econ-extendedinfo.bib file in _static/
 ###
+
+@article{shannon1948mathematical,
+  title={A mathematical theory of communication},
+  author={Shannon, Claude E},
+  journal={The Bell system technical journal},
+  volume={27},
+  number={3},
+  pages={379--423},
+  year={1948},
+  publisher={Nokia Bell Labs}
+}
+
+@article{kullback1951information,
+  title={On Information and Sufficiency},
+  author={Kullback, Solomon and Leibler, Richard A},
+  journal={The Annals of Mathematical Statistics},
+  volume={22},
+  number={1},
+  pages={79--86},
+  year={1951},
+  publisher={JSTOR}
+}
+
+@book{kullback1997information,
+  title={Information theory and statistics},
+  author={Kullback, Solomon},
+  year={1997},
+  publisher={Courier Corporation}
+}
+
 @book{friedman1953essays,
   title={Essays in positive economics},
   author={Friedman, Milton},

lectures/_toc.yml

@@ -33,7 +33,10 @@ parts:
 - caption: Statistics and Information 
   numbered: true
   chapters:
+  - file: divergence_measures
   - file: likelihood_ratio_process
+  - file: likelihood_ratio_process_2
+  - file: likelihood_var
   - file: imp_sample
   - file: wald_friedman
   - file: wald_friedman_2

lectures/career.md

@@ -206,8 +206,8 @@ class CareerWorkerProblem:
 
         self.F_probs = BetaBinomial(grid_size - 1, F_a, F_b).pdf()
         self.G_probs = BetaBinomial(grid_size - 1, G_a, G_b).pdf()
-        self.F_mean = np.sum(self.θ * self.F_probs)
-        self.G_mean = np.sum(self.ϵ * self.G_probs)
+        self.F_mean = self.θ @ self.F_probs
+        self.G_mean = self.ϵ @ self.G_probs
 
         # Store these parameters for str and repr methods
         self._F_a, self._F_b = F_a, F_b