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Z-transform a variable

Source: R/transform.R
z_trans.Rd

Z-transform a variable. Mean=0, SD=1. Maintains original distribution.

Usage

z_trans(x)

Arguments

x

a numeric vector to be z-transformed

Value

Returns a vector

Author

Luke Pilling

Examples

summary(example_data$sbp)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#>    80.0   116.0   130.0   132.8   144.0   270.0 
sbp_in = z_trans(example_data$sbp)
summary(sbp_in)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#> -2.3142 -0.7353 -0.1213  0.0000  0.4927  6.0187