2019-01-16
阅读量:
890
reshape函数!
请教,如何理解reshape这个函数?多谢:)
答:reshape(x,...)对'wide'和‘long’格式对数据框进行改造,‘wide’格式是根据基准变量横向扩展数据框;'long'格式是根据基准变量纵向扩展数据框,使用(direction="wide")或者(direction="long")参数格式指定。再具体的话,看看reshap






评论(0)


暂无数据
推荐帖子
0条评论
0条评论
0条评论