No redundant combination expand grid

outer( c("aa", "ab", "cc"), c("aa", "ab", "cc") , "paste" )
#     [,1]    [,2]    [,3]   
#[1,] "aa aa" "aa ab" "aa cc"
#[2,] "ab aa" "ab ab" "ab cc"
#[3,] "cc aa" "cc ab" "cc cc"

Source: stackoverflow.com

Similar codes

2 votes69 views1 answer
R data frame random sample
R
0 vote133 views1 answer
R df space in column name
R
0 vote134 views1 answer
R change column based on condition
R
0 vote120 views1 answer
How to convert categorical data to numerical data in r
R
1 vote127 views1 answer
R calculate for bias
R
0 vote132 views1 answer
R find index where
R
0 vote140 views1 answer
Try catch in r
R
0 vote150 views1 answer
Print string without quotes and escape sequence r
R
0 vote188 views1 answer
Tidytext extract url r
R
0 vote126 views1 answer
Get matrix row name r
R