publications

2026

1. Visualization

   An R Package for Visualizing Significance in Directed Pairwise Relationships Using Tapered Edge Glyphs

   Valentin Velev and Andreas Spitz

   In Proceedings of the 28th Eurographics Conference on Visualization (EuroVis 2026) – Posters and Demos, 2026

   DOI Bib Code

   @inproceedings{velev2026tapered,
     author = {Velev, Valentin and Spitz, Andreas},
     title = {An R Package for Visualizing Significance in Directed Pairwise Relationships Using Tapered Edge Glyphs},
     year = {2026},
     booktitle = {Proceedings of the 28th Eurographics Conference on Visualization (EuroVis 2026) -- Posters and Demos},
     doi = {10.2312/evpd.20261030},
   }

2025

1. Software

   gglyph: Network-Style Visualization of Directed Pairwise Relationships

   Valentin Velev and Andreas Spitz

   2025

   CRAN package

   DOI Bib Website

   @software{velev2025gglyph,
     author = {Velev, Valentin and Spitz, Andreas},
     title = {gglyph: Network-Style Visualization of Directed Pairwise Relationships},
     year = {2025},
     note = {CRAN package},
     doi = {10.32614/CRAN.package.gglyph},
   }

2024

1. Social Science

   Economic Inequality and Public Support for Redistribution in Europe: A Cross-Sectional and Longitudinal Multilevel Analysis

   Valentin Velev and Alexander W. Schmidt-Catran

   International Journal of Public Opinion Research, 2024

   DOI Bib Code

   @article{velev2024inequality,
     author = {Velev, Valentin and Schmidt-Catran, Alexander W.},
     title = {Economic Inequality and Public Support for Redistribution in Europe: A Cross-Sectional and Longitudinal Multilevel Analysis},
     journal = {International Journal of Public Opinion Research},
     volume = {36},
     number = {4},
     pages = {edae055},
     year = {2024},
     doi = {10.1093/ijpor/edae055},
   }

2023

1. Replication of “Multilevel Models for the Analysis of Comparative Survey Data: Common Problems and Some Solutions” with R

   Valentin Velev

   SocArXiv, 2023

   DOI Bib

   @article{velev2023replication,
     author = {Velev, Valentin},
     title = {Replication of ``Multilevel Models for the Analysis of Comparative Survey Data: Common Problems and Some Solutions'' with R},
     year = {2023},
     journal = {SocArXiv},
     doi = {10.31235/osf.io/phq56},
   }