GL wrote:
Know that if I have List_1 and List_2 that I can check to see if the
intersect via the code below:
List _1:
a, b, c, d, e, f, g
List_2:
z, y, x, w, v, u, b
length(intersect(List_1, List_2)) > 0
return = true
If instead I wanted to check a dataframe that is a "list of lists," how
would I do that by record without looping?
List _1:
a, b, c, d, e, f, g
List_2:
z, y, x, w, v, u, b
y, z, w, v, v, u, m
z, y, x, a, b, c
.
.
.
return
true
false
true
*Please* use actual R code and objects to represent your examples, not
pseudo-code! I believe you may have some confusion about the difference
between lists and vectors in R. A data.frame is a list, but not a "list
of lists".
Since you haven't given a reproducible example, it's hard for me to know
exactly what you want.
Assume a data.frame df1 composed of all character data, and a character
vector cv to match against.
apply(df1, 1, function(x) length(intersect(x, cv)) > 0)
may do what you want.
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