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- aaa <- tribble(
- ~type, ~x,
- 196201011, 1423.3333,
- 196201012, 1292.5000,
- 196201021, 1548.3333,
- 196201022, 1250.8333,
- 196201031, 1583.3333,
- 196201032, 1134.1667,
- 196201041, 1500.0000,
- 196201042, 1035.0000,
- 196201051, 1631.6667,
- 196201052, 1235.8333
- )
- bbb <- aaa |>
- mutate(type2 = type %/% 10) |>
- group_by(type2) |>
- summarise(xmean=mean(x))
- aaa <- aaa |>
- mutate(type2 = type %/% 10) |>
- right_join(bbb, by='type2') |>
- select(-type2)
复制代码- > dput(aaa)
- structure(list(type = c(196201011, 196201012, 196201021, 196201022,
- 196201031, 196201032, 196201041, 196201042, 196201051, 196201052
- ), x = c(1423.3333, 1292.5, 1548.3333, 1250.8333, 1583.3333,
- 1134.1667, 1500, 1035, 1631.6667, 1235.8333), xmean = c(1357.91665,
- 1357.91665, 1399.5833, 1399.5833, 1358.75, 1358.75, 1267.5, 1267.5,
- 1433.75, 1433.75)), row.names = c(NA, -10L), class = c("tbl_df",
- "tbl", "data.frame"))
复制代码
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