语句cut(1:4, 1:3)的结果是
A、NA (1,2] (2,3] NA
B、[1,2) [2,3) NA NA
C、[1, 2) [2, 3) [3, 4) NA
D、NA (1,2] (2,3] (3,4]
发布时间:2025-02-15 22:40:23
A、NA (1,2] (2,3] NA
B、[1,2) [2,3) NA NA
C、[1, 2) [2, 3) [3, 4) NA
D、NA (1,2] (2,3] (3,4]