Interpreting Cliff's Delta Graph

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6.3 years ago

darko.giacomini • 0

I've recently just completed a Cliff's Delta on a data set containing ordinal data (Strongly disagree to strongly agree), and have graphed the results.

enter image description here

I'm just a little wary over how to exactly interpret these results. Would the 58.93% (Y < X)

indicate that the Y group "scored" 58% less than that X group? Or Endorsed more of the "disagree" items? And what would a negative Cliff's D indicate?

Any guidance would be greatly appreciated.

Thank you!

R • 2.2k views

ADD COMMENT • link updated 6.3 years ago by zx8754 12k • written 6.3 years ago by darko.giacomini • 0

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Would the 58.93% (Y < X) indicate that the Y group "scored" 58% less than that X group? No, this means that 58.36% Y's are less than the X's. I believe the d estimates the probabilityof Y < X which is ~0.4

ADD REPLY • link 6.3 years ago by ejm32 ▴ 450

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Hello darko.giacomini!

It appears that your post has been cross-posted to another site: https://stats.stackexchange.com/q/360496/6454

This is typically not recommended as it runs the risk of annoying people in both communities.

ADD REPLY • link 6.3 years ago by zx8754 12k

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What package did you use to get this plot?

ADD REPLY • link 6.3 years ago by zx8754 12k

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Thank you for the notes! I'm definitely new to forum posting, and was just casting a wide net so as to generate a variety of responses, but didn't know this forum and the one on stack exchange were linked. Thank you for the advice, will be mindful in the future :)

And I used the orddom package for this plot.

Within that package, the delta_gr function was used

ADD REPLY • link 6.3 years ago by darko.giacomini • 0

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