reshape2 - 码农岛

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重塑宽幅，多列长格式(Reshape wide format, to multi-column lo

一夜七次·2019-07-28 17:40· 评论·文章

Turn long dataset of classes taken into wide datas

趁早两清·2019-07-26 00:22·2 回答·问答

Turn long dataset of classes taken into wide datas

姐就是有狂的资本·2019-07-26 00:39· 评论·文章

melting data.table seems to crash RStudio?

放荡不羁爱自由·2019-07-24 18:20· 评论·文章

melting data.table seems to crash RStudio?

forever°为你锁心·2019-07-24 18:12· 回答·问答

Aggregating factor level counts - by factor

戒情不戒烟·2019-07-24 04:52·1 回答·问答

Aggregating factor level counts - by factor

太酷不给撩·2019-07-24 05:17· 评论·文章

段错误中的R用reshape2包和dcast(segfault in R using reshape

混吃等死·2019-07-21 00:59· 评论·文章

Transform data frame into matrix with counts

冷血范·2019-07-20 11:53· 评论·文章

Transform data frame into matrix with counts

我想做一个坏孩纸·2019-07-20 11:47·1 回答·问答

melt.data.table may crash when measure.vars contai

神经病院院长·2019-07-19 17:56· 评论·文章

melt.data.table may crash when measure.vars contai

戒情不戒烟·2019-07-19 17:14·1 回答·问答

Fast melted data.table operations

爷的心禁止访问·2019-07-17 11:18· 评论·文章

Reshape data using dcast?

疯言疯语·2019-07-16 08:12· 评论·文章

Reshape data using dcast?

Summer. ? 凉城·2019-07-16 08:15·4 回答·问答

add rows in a data.table but not when certain colu

来，给爷笑一个·2019-07-08 10:02· 评论·文章

add rows in a data.table but not when certain colu

淡お忘·2019-07-08 09:21·2 回答·问答

Why does reshape2 melt return value = NA for me?

太酷不给撩·2019-07-04 11:31· 评论·文章

Why does reshape2 melt return value = NA for me?

姐就是有狂的资本·2019-07-04 11:44·1 回答·问答

dplyr with subgroup join

做个烂人·2019-07-04 06:29· 评论·文章

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