# circ.mean

From CircStats v0.2-6
by Claudio Agostinelli

##### Mean Direction

Returns the mean direction of a vector of circular data.

- Keywords
- univar

##### 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

##### Examples

```
# NOT RUN {
# Compute the mean direction of a random sample of observations.
data <- runif(50, 0, pi)
mean.dir <- circ.mean(data)
# }
```

*Documentation reproduced from package CircStats, version 0.2-6, License: GPL-2*

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