Description Usage Arguments Value See Also Examples
sign
returns a vector with the signs of
the corresponding elements of x
, being
1, zero, or -1 if the number is positive,
zero or negative, respectively.
This generalizes the
sign
function in the
base
package to allow something
other than 0 as the the "sign" of 0.
1 | sign(x, zero=0L)
|
x |
a numeric vector for which signs are desired |
zero |
an |
an integer
vector of the
same length as x
assuming
values 1, zero and -1, as discussed
above.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
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