Cross-validation for the estimation of effect size generalizability in mass-univariate brain-wide association studies
Janik Goltermann, Nils Ralf Winter, Marius Gruber, L. Fisch, Maike Frederike Richter, Dominik Grotegerd, Katharina Dohm, Susanne L. Meinert, Elisabeth Johanna Leehr, Joscha Böhnlein, Anna Kraus, Katharina Thiel, Alexandra Winter, Kira Flinkenflügel, Ramona Leenings, , Udo Dannlowski
This paper investigates how cross-validation affects effect size estimation in brain-wide association studies and finds that cross-validation improves generalizability, especially in small samples.
bioRxiv · Mar 29, 2023 · PreprintNeuroscience