View source: R/transform_r.Z.R
transform_r.Z | R Documentation |
Z^\prime
This function transform a correlation coefficient into the scale of Fisher's Z^\prime
.
transform_r.Z(r)
r |
correlation coefficient (between two variables) |
This function is typically used in the context of forming a confidence interval for a population correlation coefficient. Note that, in that situation, the two variables are assumed to follow a bivariate normal distribution (e.g., Hays, 1994).
returns a value on the scale of Fisher's Z^\prime
, also called Fisher's Z
, from a given correlation value.
Ken Kelley (University of Notre Dame; KKelley@ND.Edu)
Kelley, K. (2007). Confidence intervals for standardized effect sizes: Theory, application, and implementation. Journal of Statistical Software, 20(8), 1–24.
Hays, W. L. (1994). Statistics (5th ed). Fort Worth, TX: Harcourt Brace College Publishers)
transform_Z.r
, ci.cc
# From Hays (1994, pp. 649--650)
transform_r.Z(.35)
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