Simin Mahinrad

4 Questions 7 Answers 0 Followers

Questions related from Simin Mahinrad

How to include time-varying variables in linear regression analyses?

I need to perform a linear regression analysis in SPSS where: -the predictor is a continuous variable representing the SD of changes over time. -the outcome is a continuous variable measured at...

07 July 2019 6,027 8 View

How to calculate "The Net Reclassification Index (NRI)" in SPSS?

I would like to analyse the additive predictive value of a biomarker over an old model in development of stroke using NRI. I was wondering: 1. Is it possible to calculate NRI in SPSS? 2. I know...

06 June 2016 4,571 3 View

Does anyone have experience with Multiple Regression?

I have an outcome divided in three categories and the determinant in tertiles, and I would like to perform a multiple regression analysis. Can you explain me please how to interpret and present...

08 August 2014 1,348 6 View

Is linear regression valid when the outcome (dependant variable) not normally distributed?

I am perfomring linear regression analysis in SPSS , and my dependant variable is not-normally distrubuted. Could anyone help me if the results are valid in such a case? If not, what could be the...

08 August 2014 5,780 60 View