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rjweyant
  • Member for 10 years, 10 months
  • Last seen more than a month ago
7 votes
1 answer
5k views

How many observations per subject are necessary to fit a random slope in a mixed model?

3 votes
0 answers
190 views

Effect of Age-Period-Cohort on prediction and interactions

3 votes
0 answers
1k views

Is there a way to model left truncated and interval censored data in R or SAS?

2 votes
2 answers
533 views

Fitting lower-order interactions with higher order main effects

2 votes
0 answers
136 views

Does it make sense to impute missing covariate data when the imputed value is a function of other covariates in the regression model?

2 votes
0 answers
895 views

In a longitudinal analysis, is it valid to adjust for a covariate as change-score and also include the baseline covariate value?

1 vote
1 answer
1k views

Pre-post Logistic regression

0 votes
0 answers
117 views

How to address and acknowledge a significant interaction that has little practical meaning

0 votes
0 answers
146 views

Age Interactions in mixed models