zlog (version 1.0.2)

zcol: Z(log) Depending Color

Description

This function provides a color gradient depending on the zlog value as described in Hoffmann et al. 2017. The colours are only roughly equal to the one found in the article.

Usage

zcol(x)

Value

character, of length(x) with the corresponding color hex code.

Arguments

x

numeric, z(log) value.

Author

Sebastian Gibb

References

Hoffmann, Georg, Frank Klawonn, Ralf Lichtinghagen, and Matthias Orth. 2017. "The Zlog-Value as Basis for the Standardization of Laboratory Results." LaboratoriumsMedizin 41 (1): 23–32. tools:::Rd_expr_doi("10.1515/labmed-2016-0087").

Examples

z <- -10:10
image(matrix(z, ncol = 1), col = zcol(z), xaxt = "n", yaxt = "n")
text(seq(0, 1, length.out=length(z)), 0, label = z)