我有一些代码可以产生分层加权手段,我确信这在几个月前就有效了.但是,但我不确定目前的问题是什么.(我道歉 - 这一定是非常基本的东西):
dp=
structure(list(seqn = c(1L, 2L, 3L, 4L, 6L, 7L, 8L, 9L, 10L,
11L, 12L, 13L, 3L, 4L, 9L, 10L, 11L, 14L, 8L, 11L, 12L, 10L,
5L, 13L, 2L, 14L, 3L, 9L, 6L, 7L), sex = c(2L, 1L, 2L, 2L, 1L,
2L, 2L, 1L, 2L, 2L, 2L, 1L, 1L, 2L, 2L, 1L, 1L, 2L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L), bmi = c(22.8935608711259,
27.0944623781918, 40.4637162938634, 23.7649712675423, 15.3193372705538,
31.1280302540991, 21.4866354393239, 20.3200254374398, 32.331092513536,
25.3679771839413, …