的數據框下面是我的data.frame df
樣子:如何使用expand.grid上的字符
df
color shape type
red oval model 1
blue square model 4
我需要的是採取使用expand.grid
不同行的組合。這裏是我的嘗試:
row1 <- df[1,]
row2 <- df[2,]
output <- expand.grid(row1, row2)
但是,我得到一個錯誤的row1
是不是列表載體。
position1 position2 position3 position4 position5
1 razor windranger dark seer spirit breaker bounty hunter
2 blood seeker ember spirit lina techie spirit breaker
3 luna storm spirit dark seer rubick winter wayvern
4 phantom lancer storm spirit dark seer lina silencer
5 phantom lancer lina dark seer tuskar winter wayvern
6 gryocopter shadow fiend tuskar visage earthshaker
我原來data.frame的str(df)
:
我原來的數據幀的head(df)
'data.frame': 42 obs. of 5 variables:
$ position1: Factor w/ 15 levels "antimage","blood seeker",..: 13 2 9 12 12 5 9 13 12 4 ...
$ position2: Factor w/ 12 levels "dragon knight",..: 11 2 9 9 4 7 7 6 4 10 ...
$ position3: Factor w/ 14 levels "bristle","brood mother",..: 4 6 4 4 4 12 12 3 12 13 ...
$ position4: Factor w/ 20 levels "bounty hunter",..: 15 16 11 7 17 18 11 12 1 17 ...
$ position5: Factor w/ 13 levels "ancient apparition",..: 2 10 12 9 12 6 6 4 13 11 ...`
我認爲這會有所幫助,如果你能指出預期的產出。 – RHertel