Cumulative Variance

A function to return the cumulative variance of a vector.

Usage

cvar(.x)

Arguments

.x

A numeric vector

Value

A numeric vector. Note: The first entry will always be NaN.

Details

A function to return the cumulative variance of a vector. exp(cummean(log(.x)))

See also

Other Vector Function: cgmean(), chmean(), ckurtosis(), cmean(), cmedian(), crange(), csd(), cskewness(), euclidean_distance(), kurtosis_vec(), rw_range(), skewness_vec()

Author

Steven P. Sanderson II, MPH

Examples

x <- mtcars$mpg

cvar(x)
#>  [1]       NaN  0.000000  1.080000  0.730000  2.172000  3.120000  8.091429
#>  [8]  9.798393  9.317500  8.451222  8.206545  8.623864  8.395641  9.152088
#> [15] 13.796000 17.202667 16.848088 27.386438 32.953860 41.724316 39.727476
#> [22] 38.837749 38.066561 38.157808 36.571600 37.453538 37.440256 39.899947
#> [29] 39.202340 37.860057 37.475914 36.324103