"In a world in which measurements are noisy and effects are small, this will not work: selection on statistical significance leads to effect sizes which are overestimated and often in the wrong direction" This is great insight, effects are typically tiny in finance.
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Recomendaciones para científicos sociales con gran ruido y pequeños efectos: open-review para las publicaciones, mejorar las mediciones (difícil!) y soluciones estadísticas (modelos jerárquicos, reporting). Puede interesarte
@wsosaescudero - 2 more replies
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