结果:找到“summarise”相关内容8个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
(英文)高级计量论文,求高手帮助,非常紧急。需要用到STATA. 高价格,可以商量。
6 个回复 - 2893 次查看
You are required to write an essay which answers the following questions:
1. Write an essay on ARCH and GARCH Models and their use in Financestudies. Please support your answer with formulae and gra ...
2015-5-12 14:07 - 冷暖离合 - 现金交易版
R语言 summarise函数分组计算失败
2 个回复 - 490 次查看
程序设计希望能将数据按照sp分组,通过自己定义的函数计算不同sp的relativeBA和relativeN,但是并没有成功达到预期,报错如下:
提示我改用reframe函数,但修改后,根本没有分组计算,而是对原数据每一行分开进行 ...
2023-10-13 15:25 - 海阔天空7890 - R语言论坛
dplyr中group_by处理玩summarise的n()报错
5 个回复 - 6754 次查看
dplyr中group_by处理玩
summarise的n()报错在gp1gp2生成的位置
Error: n() should only be called in a data context
Call `rlang::last_error()` to see a backtrace
2019-3-29 21:44 - dingziqi - R语言论坛
R语言使用summarise()函数报错该如何解决呢?
4 个回复 - 791 次查看
rt,想按照不同的sp计算dataframe对象comm_new中h列的中位数时,报错如下:
! `h_median` must return compatible vectors across groups.
ℹ Result of type for group 乌桕: `sp = "乌桕"`.
ℹ Resu ...
2023-9-25 18:02 - 海阔天空7890 - R语言论坛
7 Important Ways to Summarise Data
1 个回复 - 1074 次查看
ntroductionPeople remain confused when it comes to summarizing data real quick in R. There are various options. But, which one is the best ? I’ve answered this question below. You must choose one at ...
2016-10-25 12:28 - oliyiyi - LATEX论坛