| is.subset | R Documentation | 
Determines whether one vector contains all the elements of another.
is.subset(x, y)
x %subof% y
| x | vector. | 
| y | vector. | 
Determines whether or not every element of x is also found in
y. Returns TRUE if so, and FALSE if not.
A logical of length 1.
x %subof% y: operator version
Robin Evans
setmatch.
is.subset(1:2, 1:3)
is.subset(1:2, 2:3)
1:2 %subof% 1:3
1:2 %subof% 2:3
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