1758统计中等derivationmedium
Selection-on-Survivors Bias in Strategy Evaluation
题目
A desk only records post-launch performance for strategies that first clear an internal backtest hurdle. Why does regressing realized performance on backtest score inside the launched set generally fail to recover the unconditional relationship?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。