is.allzero: Tests whether all elements are approximately zero
In dae: Functions Useful in the Design and ANOVA of Experiments
is.allzero R Documentation
Tests whether all elements are approximately zero
Description
A single-line function that tests whether all elements are zero
(approximately).
Usage
is.allzero(x)
Arguments
x
An object whose elements are to be tested.
Details
The mean of the absolute values of the elements of x is tested to determine if it is less than daeTolerance, which is initially set to .Machine$double.eps ^ 0.5 (about 1.5E-08). The function set.daeTolerance can be used to change daeTolerance.
Value
A logical.
Author(s)
Chris Brien
Examples
## create a vector of 9 zeroes and a one
y <- c(rep(0,9), 1)
## check that vector is only zeroes is FALSE
is.allzero(y)
dae documentation built on Aug. 21, 2025, 5:56 p.m.
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| is.allzero | R Documentation |
Tests whether all elements are approximately zero
Description
A single-line function that tests whether all elements are zero
(approximately).
Usage
is.allzero(x)Arguments
x |
An |
Details
The mean of the absolute values of the elements of x is tested to determine if it is less than daeTolerance, which is initially set to .Machine$double.eps ^ 0.5 (about 1.5E-08). The function set.daeTolerance can be used to change daeTolerance.
Value
A logical.
Author(s)
Chris Brien
Examples
## create a vector of 9 zeroes and a one
y <- c(rep(0,9), 1)
## check that vector is only zeroes is FALSE
is.allzero(y)
R Package Documentation
Browse R Packages
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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