plyr相关问题列表-plyr - 码农岛

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How do I sub sample data by group using ddply?

戒情不戒烟·2020-08-25 06:00·2 回答·问答

Conditional NA filling by group

疯言疯语·2020-08-24 17:30·6 回答·问答

Function “diff” over various groups in R

唯我独甜·2020-07-27 06:21·1 回答·问答

Make regressions and predictions for groups in R

▲ chillily·2020-07-25 08:50·2 回答·问答

R plyr, data.table, apply certain columns of data.

我欲成王，谁敢阻挡·2020-07-14 10:01·6 回答·问答

Use of ddply + mutate with a custom function?

姐就是有狂的资本·2020-07-13 11:32·1 回答·问答

Loops to create new variables in ddply

对你真心纯属浪费·2020-07-06 02:24·3 回答·问答

dplyr: apply function table() to each column of a

一纸荒年 Trace。·2020-07-02 09:22·4 回答·问答

Subset a list - a plyr way?

爷、活的狠高调·2020-06-18 10:07·3 回答·问答

l_ply: how to pass the list's name attribute i

放我归山·2020-06-11 13:21·3 回答·问答

Using dplyr for exploratory plots

The star\"·2020-06-06 04:52·1 回答·问答

Converting a data frame to a matrix with plyr dapl

三岁会撩人·2020-06-03 09:56·2 回答·问答

Create an “index” for each element of a group with

老娘就宠你·2020-06-01 11:04·2 回答·问答

How to speed up summarise and ddply?

Ridiculous、·2020-05-28 01:52·2 回答·问答

Assigning group ID with ddply

疯言疯语·2020-05-19 03:03·2 回答·问答

Interpolate variables on subsets of dataframe

疯言疯语·2020-05-06 10:15·1 回答·问答

Sampling small data frame from a big dataframe

We Are One·2020-04-11 04:30·2 回答·问答

How to create multiple ,csv files in R?

兄弟一词,经得起流年.·2020-03-30 02:22·3 回答·问答

Co-occurrence matrix using SAC?

Viruses.·2020-03-26 11:39·2 回答·问答

Return rows establishing a “closest value to” in R

Luminary・发光体·2020-03-24 09:35·1 回答·问答

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