Science Advances

Supplementary Materials

This PDF file includes:

  • Data
  • Outliers removal
  • Visualization of the SEFs
  • Modified Thompson tau test
  • Discrepancy measures between SEFs of small and large units
  • table S1. List of the 21 elections under study with the numbers of electoral units that fulfill the inclusion criteria for our analysis, N.

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Files in this Data Supplement: