From 5713c2e060f9653e479bb93e3af7a12d281e6139 Mon Sep 17 00:00:00 2001
From: Nicholas Karlson <nicholaskarlson@gmail.com>
Date: Sun, 9 Nov 2025 11:22:31 -0800
Subject: [PATCH 1/2] chore(win): reconfigure stdout to UTF-8 to avoid
 UnicodeEncodeError

---
 scripts/ch13_fitness_mixed.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/scripts/ch13_fitness_mixed.py b/scripts/ch13_fitness_mixed.py
index 5eb1491..5127cf3 100644
--- a/scripts/ch13_fitness_mixed.py
+++ b/scripts/ch13_fitness_mixed.py
@@ -1,10 +1,18 @@
 # SPDX-License-Identifier: MIT
-import argparse, os
+import argparse, os, math
 import numpy as np, pandas as pd
 import statsmodels.formula.api as smf
 import matplotlib; matplotlib.use("Agg")
 import matplotlib.pyplot as plt
 
+# --- make Windows console UTF-8 friendly ---
+import sys
+if os.name == "nt":
+    try:
+        sys.stdout.reconfigure(encoding="utf-8")
+    except Exception:
+        pass
+
 def hedges_g(a, b):
     na, nb = len(a), len(b)
     sa, sb = a.var(ddof=1), b.var(ddof=1)

From 7330a35fad2282584c539fa27c2ba002e246ae1c Mon Sep 17 00:00:00 2001
From: Nicholas Karlson <nicholaskarlson@gmail.com>
Date: Sun, 9 Nov 2025 11:28:45 -0800
Subject: [PATCH 2/2] chore: stop tracking generated *_meta.json (timestamps
 are ephemeral)

---
 .gitignore                       |  3 +++
 data/synthetic/fitness_meta.json | 11 -----------
 2 files changed, 3 insertions(+), 11 deletions(-)
 delete mode 100644 data/synthetic/fitness_meta.json

diff --git a/.gitignore b/.gitignore
index 022665c..c1b3ec5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,6 @@ protection*.json
 *.patch
 outputs/*.png
 outputs/*.pdf
+
+# generated metadata (timestamps change on each run)
+data/synthetic/*_meta.json
diff --git a/data/synthetic/fitness_meta.json b/data/synthetic/fitness_meta.json
deleted file mode 100644
index f24a6ec..0000000
--- a/data/synthetic/fitness_meta.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "seed": 7,
-  "n": 80,
-  "design": "2x2 mixed (Group between \u00d7 Time within)",
-  "programs": [
-    "ProgramA",
-    "ProgramB"
-  ],
-  "dv": "strength_1RM_like",
-  "generated_utc": "2025-11-09T18:46:49Z"
-}
\ No newline at end of file