Add 2D distributions image to examples/README.md

Be more explicit in 2D plot name, use "Gaussian" instead of "normal". Commit pickle file so it can be run immediately.
endolith · Aug 10, 2024 · 013621c · 013621c
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diff --git a/...ples/1M 2D elections, 1k voters, 9 candidates, both Gaussian, 0.5 relative dispersion.pkl b/...ples/1M 2D elections, 1k voters, 9 candidates, both Gaussian, 0.5 relative dispersion.pkl
diff --git a/examples/README.md b/examples/README.md
@@ -300,6 +300,12 @@ Source: [distributions_by_n_cands.py](distributions_by_n_cands.py)
 
 Source: [distributions_by_dispersion.py](distributions_by_dispersion.py)
 
+### By method, in two-dimensional space
+
+![](./results/1M_2D_elections,_1k_voters,_9_candidates,_both_Gaussian,_0.5_relative_dispersion.png)
+
+Source: [distributions_by_method_2D.py](distributions_by_method_2D.py)
+
 ## Tomlinson 2023
 
 Kiran Tomlinson, Johan Ugander, Jon Kleinberg (2023) [Moderation in instant runoff voting](https://arxiv.org/abs/2303.09734)

diff --git a/examples/distributions_by_method_2D.py b/examples/distributions_by_method_2D.py
@@ -154,8 +154,9 @@ def simulate_batch(n_cands):
 title = f'{human_format(n_elections)} 2D elections, '
 title += f'{human_format(n_voters)} voters, '
 title += f'{human_format(n_cands)} candidates'
-title += f', both {cand_dist}'
-title += f', {disp:.1f} disp'
+if cand_dist == 'normal':
+    title += f', both Gaussian'
+title += f', {disp:.1f} relative dispersion'
 
 # Load from .pkl file if it exists
 pkl_filename = title + '.pkl'

diff --git a/..._elections,_1k_voters,_9_candidates,_both_Gaussian,_0.5_relative_dispersion.png b/..._elections,_1k_voters,_9_candidates,_both_Gaussian,_0.5_relative_dispersion.png