is.constant: is.constant
In cwhmisc: Miscellaneous Functions for Math, Plotting, Printing, Statistics, Strings, and Tools
Description
Usage
Arguments
Value
Author(s)
See Also
Examples
Description
A numerical vector consists only of identical values
Usage
1
is.constant(x)
Arguments
x
a vector
Value
TRUE if x is numerical and
$\max(x) == \min(x)$.
Author(s)
Kjetil Brinchmann Halvorsen, kjetil@acelerate.com, expanded by
Christian W. Hoffmann <christian.hoffmann@wsl.ch>
See Also
Examples
1
2
3
4
5
6
7
is.constant(rep(c(sin(pi/2),1),10)) # TRUE
x <- factor(c(1,1,NA))
is.constant(x) # FALSE because of NA
is.constant(x[1:2]) # TRUE
is.constant(c(1,1,NA)) # FALSE because of NA
is.constant(c(1,1,2)) # FALSE
is.constant(c(1,1,1)) # TRUE
cwhmisc documentation built on May 1, 2019, 7:55 p.m.
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Description Usage Arguments Value Author(s) See Also Examples
Description
A numerical vector consists only of identical values
Usage
1 | is.constant(x)
|
Arguments
x |
a vector |
Value
TRUE if x is numerical and $\max(x) == \min(x)$.
Author(s)
Kjetil Brinchmann Halvorsen, kjetil@acelerate.com, expanded by Christian W. Hoffmann <christian.hoffmann@wsl.ch>
See Also
Examples
1 2 3 4 5 6 7 | is.constant(rep(c(sin(pi/2),1),10)) # TRUE
x <- factor(c(1,1,NA))
is.constant(x) # FALSE because of NA
is.constant(x[1:2]) # TRUE
is.constant(c(1,1,NA)) # FALSE because of NA
is.constant(c(1,1,2)) # FALSE
is.constant(c(1,1,1)) # TRUE
|
R Package Documentation
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We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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