有一个数据集,其中前行和后行的特征值为零。如何以优雅的方式删除此类行?
# Library
library(tidyverse)
# 1. Input
data.frame(
id = c(1:10),
value = c(0, 0, 1, 3, 0, 1, 2, 8, 9, 0))
# 2. Delete leading and trimming rows with 'value = 0'
# ...
# 3. Desired outcome
data.frame(
id = c(3:9),
value = c(1, 3, 0, 1, 2, 8, 9))
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谢谢。