I want to group my cases in SPSS according to how they scored for each of the 21 variables. Can I do a cluster analysis or are my numbers too small?

More Jules Lib's questions See All

Case study. Which one?

I have over 40 participants that I have already analysed and written about. Now I need to do a synthetic case study. Can you tell me what this is? Or is it best to do a deviant case study?

04 June 2024 5,766 0 View

Suggestions for successful unclogging of metallic dispensing nozzles?

Dear all, Hoping for ideas / suggestions for unclogging metallic fluid / paste dispense nozzles. Currently we have a metallic dispense nozzle clogged with silver conductive adhesive. We have...

29 May 2024 9,364 1 View

Can I determine total flavonoids properly through spectrophotometry from dry plants samples if I only have <loo mg?

I want to determine total flavonoids from plants samples but I am afraid I might not have enough dry sample (weight) for proper determination of flavonoids. is less than 100 mg enough for extraction?

19 May 2024 7,006 4 View

Journal article request please ?

Tous-Espelosin, M. et al. (2023) ‘“It Helped Me to Disconnect My Mind from the Problems”: The Subjective Experiences of People with Schizophrenia Taking Part in a Concurrent Exercise Program’,...

17 December 2023 839 2 View

How to solve the problem from cell viability test?

Let's assume that when the cell viability experiment was conducted using animal cells other than HeLa cells, the absorbance of the negative control (cells not treated with Doxorubicin) showed...

12 May 2023 6,097 1 View

Which material has a maximum absorption for DUV at 257 nm radiation?

Hello every one, I have an experiment with DUV radiation at 257 nm at 10W and I have many diffusion. I won't use anodized plate because I will have contamination. So I want use glasses but I...

20 November 2022 949 1 View

Inductive analysis to deductive?

I'm doing a qualitative study with a grounded theory analysis, but a subsidiary research questions looks for a relationship between two variables. Can this be done deductively once the inductive...

04 January 2022 9,152 10 View

Can anyone share examples of low cost options for spirulina cultivation in water-scarce areas?

Spirulina is an exciting agri-food technology, but one concern is that some communities may face obstacles to algae cultivation. Raceway ponds may not be viable in areas facing water scarcity,...

10 September 2021 7,485 12 View

How find Value-at-Risk for a Financial Portfolio with Swaptions ?

VaR Swaptions Cap Floor

18 April 2020 7,728 4 View

Do you know more about Kurtogram and Spectral Kurtosis ?

I use Spectral Kurtosis and Kurtogram to study the turbulence of financial markets. I would like your advice concerning the intuition behind Spectral Kurtosis and Kurtogram. - Financial Crisis -...

19 March 2020 9,108 4 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

How to back transform the results generated from analyses using log transformed with In(X+1) data?

I am conducting my analysis using SPSS. I log transformed my data using In(X+1) as my data contain zero values. However, when I want to back transform the regression coefficients generated from my...

31 July 2024 7,860 3 View

Why applying a saved template of a bar chart in a different/new one doesn't take effect in SPSS?

Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...

29 July 2024 1,981 1 View

Paired t-test or unpaired t-test for my quantitative data with SPSS?

I am conducting a qualitative-driven approach to mixed-method research. The role of my quantitative data is to corroborate the findings of the qualitative data. Qualitative data has been collected...

24 July 2024 9,799 3 View

How do I compute SEM for percentages using SPSS?

I'm evaluating the reproductive performance of quails. I have the fertility, and hatchability percentages for six different sire groups and would like to determine the significant difference...

14 July 2024 2,203 5 View

How to perform analysis using SPSS to obtain the best optimal combination of( markers,degree and offset) for different class of ptosis?

I have a group of combined variables to assess a technique for get the optimum prediction for breast volume before surgery? The independent variables comprises - number of markers, degree of...

21 June 2024 1,551 0 View

SPSS vs STATA?

Hello everyone, I am a physician and interested in research. I wanted to know for beginners which one you recommend? spss vs stata- your response will be much appreciate- thank you

18 June 2024 698 2 View

How can I interpret the results of moderation analysis using PROCESS macro model 3?

I did a moderation analysis using SPSS and Process macro model 3, whereby the interaction between X Z W was not significant, but the interaction between X and Z was. I am confused in how to...

13 June 2024 4,921 3 View

Interpretation of simple mediation analysis - individual paths or overall indirect effect that matters?

Hello, I would really appreciate some help interpreting the output from my simple mediation analysis using PROCESS macro in SPSS please. For context, the X predictor is severity of nausea and...

13 June 2024 9,597 3 View

s. Rama Gokula Krishnan

That depends on your sample size. Generally, a sample size of 100-150 is required for cluster analysis.

Source- Article Statistical power for cluster analysis

Ronán Michael Conroy

Assuming you have a reasonable sample size, I'd also consider Orange (https://orangedatamining.com) which is free and intuitive and does lots of clustering methodologies. And has truly excellent YouTube tutorial videos. Like this https://www.youtube.com/watch?v=dJ5z2SRwzgs

Bruce Weaver

How are readers meant to judge whether your sample size is too small when you have not reported the sample size? Am I missing something?