Seyyed Reza Sobhani

3 Questions 1 Answers 0 Followers

Questions related from Seyyed Reza Sobhani

Which statistical model is suitable for analysis a repeated cross-sectional study?

I am working an a project with repeated cross-sectional data for 25 years. Which statistical model is suitable for analysis this kind of data?

12 January 2019 3,352 3 View

Is it necessary to normalize data before PCA to identify dietary patterns?

I have heard that normality of data is considered as a basic assumption for principle component analysis. Is it necessary to normalize data of food intake assessment in order to identify dietary...

20 January 2015 8,707 4 View

Can we use 24-hour recall intervals for analysis of dietary patterns or is an appropriate food frequency questionnaire needed?

I am currently working on my master thesis regarding “Dietary patterns and dietary diversity among overweight and obese children” This project is based on a “cross-sectional study” amongst a rural...

01 April 2014 7,364 10 View