Filters a Vector According to Number of Duplicates

Source: R/dupe_thresh.R

Filters a vector according to the number of duplicates in the vector, where the conditions for the acceptable number of duplicate values are specified.

dupe_thresh(invec, count)

Arguments

invec

The input vector.
count

The threshold for duplicates. See "Details".

Value

A vector.

Details

The "count" parameter can be either a single digit or a character vector showing the desired comparison to be used as the threshold (for example "> 5"). If no binary relational operator is specified, the relational operator used is >=.

References

http://stackoverflow.com/q/29973061/1270695

Author

Ananda Mahto

Examples


set.seed(1)
x <- sample(letters[1:10], 35, TRUE)
sort(table(x))
#> x
#> c a b f g d i e j 
#> 2 3 3 3 3 4 5 6 6 

table(dupe_thresh(x, 3))
#> 
#> a b d e f g i j 
#> 3 3 4 6 3 3 5 6 
table(dupe_thresh(x, "<3"))
#> 
#> c 
#> 2 
table(dupe_thresh(x, "== 3"))
#> 
#> a b f g 
#> 3 3 3 3 
table(dupe_thresh(x, "!=3"))
#> 
#> c d e i j 
#> 2 4 6 5 6