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[Feature] cor_diff() : test for differences between correlations #338

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[Feature] cor_diff() : test for differences between correlations #338

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ba22a5c
add
DominiqueMakowski Jan 29, 2025
a4194f1
allow for pairs specification
DominiqueMakowski Jan 29, 2025
e69d34b
hotfix
DominiqueMakowski Jan 29, 2025
6dcbffe
&&
DominiqueMakowski Jan 29, 2025
ca80775
style
DominiqueMakowski Jan 29, 2025
1626307
minor
DominiqueMakowski Feb 4, 2025
e64fcee
Merge branch 'main' into feature_cordiff
strengejacke Jul 25, 2026
26631f3
Merge branch 'main' into feature_cordiff
strengejacke Jul 25, 2026
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6 changes: 3 additions & 3 deletions R/cor_diff.R
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
cor_diff <- function(data, x, y, x2 = NULL, y2 = NULL, method = "parametric", ...) {

# If pairs are passed
if(length(x) == 2 & length(y) == 2) {
if(length(x) == 2 && length(y) == 2) {

@strengejacke strengejacke Jan 29, 2025

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space_around

x2 <- y[1]
y2 <- y[2]
y <- x[2]
Expand Down Expand Up @@ -57,10 +57,10 @@ cor_diff <- function(data, x, y, x2 = NULL, y2 = NULL, method = "parametric", ..
insight::check_if_installed("psych", "for 'parametric' correlation difference method")

args <- list(n = nrow(data), r12 = cor(data[[x]], data[[y]]))
if(x == x2 & y != y2) {
if(x == x2 && y != y2) {
args$r13 <- cor(data[[x]], data[[y2]])
args$r23 <- cor(data[[y]], data[[y2]])
} else if(y == y2 & x != x2) {
} else if(y == y2 && x != x2) {
args$r13 <- cor(data[[y]], data[[x2]])
args$r23 <- cor(data[[x]], data[[x2]])
} else {
Expand Down