/R/How to remove duplicates based on the combinations of two columns r

How to remove duplicates based on the combinations of two columns r

# example
df = expand.grid(A = c('a', 'b', 'c', 'd'),
                 B = c('a', 'b', 'c', 'd'))

# remove redundant combinations
df[!duplicated(data.frame(t(apply(df,1,sort)))),]

Source: stackoverflow.com

Similar codes

0 vote227 views1 answer
Switch to another line in string r
R
1 vote211 views1 answer
R dataframe filter endswith
R
0 vote202 views1 answer
Make a list of dataframes' names in R
R
1 vote204 views1 answer
R sapply syntax
R
1 vote205 views1 answer
Add column in r
R
0 vote214 views1 answer
Rstudio github upload
R
2 votes209 views1 answer
Drop columns by index r
R
0 vote205 views1 answer
Ggplot box plot without outliers poins
R
0 vote202 views1 answer
Slope by row r
R
0 vote194 views2 answers
List to dataframe in r
R