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is_z_scored

Source: R/is_scaled.R
is_z_scored.Rd

Checks if a numeric vector or matrix (column-wise) is z-scored. In other words, checks if the mean is zero and the standard deviation is one (within a specified tolerance)

Usage

is_z_scored(x, eps = 1e-08)

Arguments

x

a numeric vector or matrix

eps

small error tolerance of being close enough to zero (default: 1e-8)

Value

vector of logicals

See also

Other check scale functions: is_centered(), is_scaled(), is_ss1()

Examples

is_z_scored(scale(c(1, 2, 2, 3, 3, 3)))
#> [1] TRUE