Marco Gnesi

4 Questions 82 Answers 0 Followers

Questions related from Marco Gnesi

Paper with BAD study design/methodology (for teaching purposes)?

Hi people. in a couple of weeks I have to give a class about research methodology, study design and protocols in biomedical research. For the practicals, I need at least a couple of papers with...

12 December 2017 3,285 3 View

ANOVA (nested vs factorial model): how to write the commands in STATA?

Dear all, I am a Stata user (IC v. 13) and I'm doing the analyses for a longitudinal study, which aim was to test if a performance improved during time after a treatment (the treatment is only one...

12 December 2016 8,420 2 View

How can I perform a scalogram analysis in Stata 13?

I wish to demonstrate the ordinal property of a set of items, which are supposed to be a Guttman scale. I was not able to find any useful suggestion in the internet about how to compute that...

09 September 2016 4,137 6 View

How can I take a random sample in Stata or R?

I should select a random sample of 'n' residents from the general list containing 'N' records. I need all the records from the general list to have the same probability to be chosen, I tried to do...

11 November 2015 6,651 3 View