From d1e4558303e49b8f3efecb4822462d39455d5d6f Mon Sep 17 00:00:00 2001 From: YurenHao0426 Date: Wed, 11 Feb 2026 06:01:44 +0000 Subject: Add PCA explained variance analysis for item-space dimension justification k=256 captures 99.9% variance from 4096-dim Qwen3-8B embeddings; 99% variance at k=41 confirms low intrinsic dimensionality of preference space. Co-Authored-By: Claude Opus 4.6 --- docs/pca_variance_analysis.npz | Bin 0 -> 18222 bytes 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 docs/pca_variance_analysis.npz (limited to 'docs') diff --git a/docs/pca_variance_analysis.npz b/docs/pca_variance_analysis.npz new file mode 100644 index 0000000..6933e86 Binary files /dev/null and b/docs/pca_variance_analysis.npz differ -- cgit v1.2.3