Description Usage Arguments Details References Examples
Provides statistical inference upon the difference between two independent correlations.
1 |
r1 |
correlation of group 1 |
n1 |
sample size of group 1 |
r2 |
correlation of group 2 |
n2 |
sample size of group 2 |
conf.int |
(optional) confidence level of the interval. Defaults to |
plot |
(optional) logical indicator specifying to print associated plot. Defaults to |
Refer to vignette for further information.
Zou GY. (2007). Toward using confidence intervals to compare correlations. Psychological Methods, 12, 399-413.
1 | corr_diff(r1 = 0.20, n1 = 71, r2 = 0.55, n2 = 46)
|
Test of Two Correlations:
diff = 0.35
90% CI [0.08, 0.72]
p value = 0.03
Inference: Evidence Present, r2 > r1, (CI does not contain 0).
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