Statistical designe

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Alcoholic extract of proline and soluble sugars?

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How can measure leaf age or leaf longevity or longevity of whole plant ( for one plant and Plant community)?

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What information get about plant from canopy of plant?

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What is the most important gene of biosynthesis pathway of 1,8 cineole in Dorema ammoniacum?

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Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

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David Wright

Taguchi method can handle as many factors as you wish. For information, start with

https://en.wikipedia.org/wiki/Taguchi_methods

Mohamed-Mourad Lafifi

Dear Elham Maghsoodi ,

I suggest to you links, attach files and publication in topics.

- Guide to Field Experimentation: Experimental Design

www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/sag3024

- Experimental Design Definition and Examples - Statistics How To

www.statisticshowto.com/experimental-design/

- Foundational and Applied Statistics for Biologists Using R

https://books.google.dz/books?isbn=1439873399

- 9. Experimental designs - 3Rs- Reduction.co.uk

www.3rs-reduction.co.uk/html/9__experimental_designs.html

Best regards

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Elham Maghsoodi

Dr.Lafifi

Thank you for your attention and your good answers.