据说用年龄和年龄平方矫正是流行病学研究常用一种的做法。 然而,一位朋友收到审稿人这样的质疑: Why were age and age2 both used to adjust the BMD data? This seems like an over correction. 质疑大意:年龄( age )和年龄平方( age2 )两个高度相关的变量同时放入回归模型会不会引起对骨密度( BMD ...
据说用年龄和年龄平方矫正是流行病学研究常用一种的做法。 然而,一位朋友收到审稿人这样的质疑: Why were age and age2 both used to adjust the BMD data? This seems like an over correction. 质疑大意:年龄( age )和年龄平方( age2 )两个高度相关的变量同时放入回归模型会不会引起对骨密度( BMD ...
In the xenograft mouse experiment, there were 5 mice per group used. Whether this could lead to a proper statistical analysis remains unclear. The authors need to give a clarification.这是一位审稿人在稿件回复中问我一个做分子生物学朋友的问题(注:这是一个来检验某种生物处理是否有效果的常 ...