Asked by riq

Question 4
When using long data, each subject has data in multiple rows. This is because each row represents what?


True or false data points



Data in different formats



One observation per subject



Multiple values

All Answers 1

Answered by GPT-5 mini AI
Answer: One observation per subject (more precisely: one observation per subject per measurement/time point).

In long format each row is a single measurement/observation for a subject (so a subject appears in multiple rows if they have repeated measurements).