Mvagnus Albertus

Articles4

• PCA5 min read

  Entropy-Rescaled PCA, Step by Step

  How entropy-rescaled PCA turns map positions into distances between groups: the rescaling curve, the four steps, a worked example with two individuals, and a plain versus rescaled comparison on a Southeast Balkans series.

  MAMvagnus Albertus · October 25, 2026

• qpAdm6 min read

  qpAdm in Three Steps

  What qpAdm asks, how it computes and where it fails: a short guide to reading a qpAdm result without reading more into it than the test supports.

  MAMvagnus Albertus · October 25, 2026

• Byzantine19 min read

  How near are modern Greeks and Byzantine Anatolians to Anatolians, Caucasians and Levantines?

  Nearest classes, sides and clusters from the platform's PCA distance tool on the conventional and entropy-rescaled maps: which statements about Greek, Byzantine and Roman groups survive a change of panel, map and origin, and which depend on them.

  • PCA
  • PCA

  MAMvagnus Albertus · October 25, 2026

• Medieval58 min read

  Medieval Germany and England in entropy-rescaled PCA distances

  Nearest groups, sides and betweenness for 53 medieval, Viking-age and ancient groups on entropy-rescaled PCA maps: which ordinal statements survive a change of panel, map and origin, and which do not.

  • PCA
  • Map
  • Dates
  • PCA

  MAMvagnus Albertus · October 24, 2026