rsphere: Random vectors on a sphere
In ggm: Graphical Markov Models with Mixed Graphs
rsphere R Documentation
Random vectors on a sphere
Description
Generates a sample of points uniformly distributed
on the surface of a sphere in d-space.
Usage
rsphere(n, d)
Arguments
n
an integer, the sample size.
d
an integer, the dimension of the space. For example, a circle
is defined in 2D-space, a sphere in 3D-space.
Details
The algorithm is based on normalizing to length 1 each d-vector
of a sample from a multivariate normal N(0, I).
Value
a matrix of n rows and d columns.
Author(s)
Giovanni M. Marchetti
See Also
rnorm, rcorr
Examples
## 100 points on circle
z <- rsphere(100,2)
plot(z)
## 100 points on a sphere
z <- rsphere(100, 3)
pairs(z)
ggm documentation built on May 29, 2024, 7:27 a.m.
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.
| rsphere | R Documentation |
Random vectors on a sphere
Description
Generates a sample of points uniformly distributed on the surface of a sphere in d-space.
Usage
rsphere(n, d)
Arguments
n |
an integer, the sample size. |
d |
an integer, the dimension of the space. For example, a circle is defined in 2D-space, a sphere in 3D-space. |
Details
The algorithm is based on normalizing to length 1 each d-vector
of a sample from a multivariate normal N(0, I).
Value
a matrix of n rows and d columns.
Author(s)
Giovanni M. Marchetti
See Also
rnorm, rcorr
Examples
## 100 points on circle
z <- rsphere(100,2)
plot(z)
## 100 points on a sphere
z <- rsphere(100, 3)
pairs(z)
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.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.