/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

0 vote217 views1 answer
R delete rowif number higher than
R
1 vote193 views1 answer
Create vector in r
R
0 vote212 views1 answer
How to summarise data but keep columns R
R
1 vote198 views1 answer
How to get number of columns in matrix R
R
0 vote200 views1 answer
How to remove duplicates based on the combinations of two columns r
R
0 vote216 views1 answer
Ggplot increase label font size
R
0 vote203 views3 answers
Cbind vectors of different lengths r
R
0 vote242 views1 answer
Meaning of %>% R
R
0 vote206 views1 answer
Not displaying prints and on.exit in r
R
0 vote191 views1 answer
Replace_na
R