结果:找到“summari”相关内容86个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
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 - 6755 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
stata中,summarize命令的结果怎么看
2 个回复 - 1244 次查看
-------------------------------------------------------------
Percentiles Smallest
1% 0 -1702906
5% 0 -1430931
10% 0 0 ...
2023-4-25 16:44 - xyp123xyp - Stata专版
为什么summarize 显示obs 为0?
14 个回复 - 23283 次查看
大家好,菜鸟一枚STATA刚开始学着入门。这才输入了一组数据后,想试用几个基本命令,结果describe 和 list都能显示正常,到了
summarize 命令,obs 就全部显示0,mean Std. Dev. Min Max 也都空白,请问什么原因呢? ...
2014-10-30 05:45 - aa2liebe - Stata专版
Summarizing Natural Language Database Responses.
0 个回复 - 419 次查看
摘要:ABSTRACT In a human dialogue it is usually considered inappropriate if one conversant monopolizes the conversation. Similarly it can be inappropriate for ...原文链接:http://dl.acm.org/citation. ...
2018-1-4 19:00 - 论文库 - 人工智能论文版
Machine Learning Summarized in One Picture
2 个回复 - 1329 次查看
Here is a nice summary of traditional machine learning methods, from Mathworks.
I also decided to add the following picture below, as it illustrates a method that was very popular 30 years ago but ...
2017-2-27 15:54 - oliyiyi - LATEX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
请教source("summarize.R")的问题
3 个回复 - 11011 次查看
请教初级问题,我想对数据进行基本的统计描述,用了source("
summarize.R")
显示结果如下。
source("
summarize.R")
错误于file(filename, "r", encoding = encoding) : 无法打开链结
此外: 警告信息:
In file(f ...
2013-11-26 15:31 - pingguzh - R语言论坛
summarizng a research article
1 个回复 - 1037 次查看
Research articles use a standard format to clearly communicate information about an experiment. A
research article usually has seven major sections: Title, Abstract, Introduction, Method, Results,
D ...
2014-4-29 14:55 - 才非蚕 - 行业分析报告
Automatic Summarization
2 个回复 - 738 次查看
【作者(必填)】Nenkova, Ani and McKeown, Kathleen
【文题(必填)】Automatic Summarization
【年份(必填)】2011
【全文链接或数据库名称(选填)】http://www.nowpublishers.com/articles/foundations-and-t ...
2013-5-13 16:22 - mendelssohn - 求助成功区