Elif Ceyhan

7 Questions 4 Answers 0 Followers

Questions related from Elif Ceyhan

My k-means clusters are not stable. What can I do?

I am conducting k-means clustering analysis. My clusters separate very well. Anova, effect size and discriminant analysis results also support this separation. But I can't get efficient results...

20 July 2023 4,763 3 View

Which packages and code should I use to test cluster stability in r?

I have run k-means clustering analysis in SPSS, but as far as I know I cannot test the stability of clusters in spss (my case count is over 11k). Which packages and code should I use to test...

04 July 2023 4,680 1 View

What is the most appropriate effect size type for mann whitney u analysis?

I calculated 2 different effect size types for my analysis results, r and d. Of these, r gave mostly low effect sizes while d values gave high effect sizes. I hesitated to use d because I was...

05 June 2023 7,817 6 View

Can I conduct k-means cluster analysis under these circumstances?

I need to conduct K-means cluster analysis. That's why I test the Sphericity of clustering variables. But Mauchly's Test of Sphericity p-value is not greater than 0.05. So I am violating...

29 April 2023 8,928 3 View

Is it methodologically possible to conduct and interpret descriptive analyses in rotational panel data?

14 April 2023 1,665 1 View

Can I run an OLS model if residual values are normally distributed (even if the distribution of the variable is not normal)?

Hello! I have a non-normally distributed variable (income) and although I tried to transform it to a normally distributed variable skewness and kurtosis values are still so high and there is lots...

28 January 2023 7,298 7 View

Can I apply two-step cluster analysis when n>18000?

Hello. I want to use cluster analysis in SPSS because I want to discover the structure of my data. So I do not know how many class I want to see on my output. That's why I can not apply k-means...

09 October 2022 9,271 5 View