R: Mean Direction

circ.mean {CircStats} | R Documentation

## Mean Direction

### Description

Returns the mean direction of a vector of circular data.

### Usage

    circ.mean(x)

### Arguments

`x` | vector of data points measured in radians.

### Details

Each observation is treated as a unit vector, or point on the unit circle. The resultant vector of the observations is found, and the direction of the resultant vector is returned.

### Value

Returns the mean direction of the data.

### References

Jammalamadaka, S. Rao and SenGupta, A. (2001). Topics in Circular Statistics, Section 1.3, World Scientific Press, Singapore.

### See Also

circ.disp, circ.summary, est.kappa, est.rho.

### Examples

    # Compute the mean direction of a random sample of observations.
    data <- runif(50, 0, pi)
    mean.dir <- circ.mean(data)

[Package CircStats version 0.2-4 Index]