{
  "dataset": "10x Genomics 5k PBMC scATAC (public)",
  "cells_raw": 4585,
  "peaks": 115554,
  "median_fragments": 14256.0,
  "median_FRiP": 0.801,
  "cells_low_frip": 10,
  "cells_low_fragments": 0,
  "median_TSS_fraction": 0.554,
  "median_mito_fraction": 0.0001,
  "cells_after_qc": 4575,
  "removed_pct": 0.2,
  "lsi_components": 30,
  "lsi1_depth_correlation": 0.967,
  "max_depth_correlation_after_drop": 0.517,
  "depth_component_dropped": true,
  "depth_correlated_components": [
    1,
    5
  ],
  "idf_variant_note": "用标准 IDF 时深度几乎全部集中在 LSI1(r=0.97),丢掉它才有意义;换成先取对数的 IDF 变体,LSI1 只剩 r=0.75,深度被摊到后面的成分里 —— 同样『丢掉第一个』,后者留下的深度残留更大。",
  "sanity_check_passed": true,
  "clusters": 13,
  "clusters_strict": 14,
  "ARI_vs_strict": 0.689,
  "cluster_depth_fold_range": 2.77
}