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Calculated using the sum of the absolute value of the second derivative of the smooth.spline prediction for each defined point.

Usage

coo_tac(coo)

Source

Siobhan Braybrook.

Arguments

coo

a matrix of (x; y) coordinates or any Coo

Value

numeric for a single shape and for Coo

Examples

coo_tac(bot[1])
#> [1] 67.85005

bot %>%
    slice(1:3) %>%  # for speed sake only
    coo_tac
#>   brahma    caney   chimay 
#> 67.85005 34.81994 46.61054