Search results

  1. T

    logistic regression include constant??

    Dear all, I have been working on a binary logistic regression model. My dependent variable is death or no death, while the independent variables are a number of variables. When conducting a univariable regression analysis, SPSS asks me to include the constant or not. When I try both methods...
  2. T

    Which variable for Cox regression?

    Hi guys, I have a database of patients with their long-term survival data. Amongst others, I have one variable that resembles a scoring system in order to classify patients according to the severity of the disease (ordinal variable, 4 classes). This classification system was recently revised...