/R/Collapse text by group in dataframe r

Collapse text by group in dataframe r

# You want to aggregate text by group
df <- read.table(header=T, text="
group text
a a1
a a2
a a3
b b1
b b2
c c1
c c2
c c3
")

aggregate(df$text, list(df$group), paste, collapse="")
##   Group.1      x
## 1       a a1a2a3
## 2       b   b1b2
## 3       c c1c2c3

Source: stackoverflow.com

Similar codes

7 votes382 views2 answers
How to remove nas in r
R
0 vote302 views1 answer
R total line text file
R
1 vote273 views1 answer
R factors as numeric
R
1 vote280 views1 answer
Variable assignment in r
R
0 vote298 views1 answer
How to get the r2 value in r
R
1 vote257 views1 answer
KnnImputation in r
R
0 vote299 views1 answer
Print data type R
R
2 votes280 views1 answer
Setwd in r
R
1 vote286 views1 answer
Rmarkdown section title as variable ##
R
0 vote264 views1 answer
Required in r
R