combine variables

  1. T

    How do I combine variables in SPSS to create a new variable?

    I want to create 6 groups in SPSS, originating from 2 groups but I don't know how to do this. I have one variable A which is binary (0.1-1 millimetre or >1 millimetre) and another variable B which has 3 possible values (3 treatment strategies for cancer: wait-and-see, polypectomy or surgery). I...
  2. B

    Seems so simple but I cannot figure it out -> combine 3 variables into one

    Please keep in mind I know little of stats and how to use SPSS. I would really appreciate some help. I have several questions that ask about liking fruit. for example: q1=do you like apples?, q2=do you like pears?, q3=do you like oranges? Each is a yes/no question and 0=no 1=yes I want...
  3. H

    How to correctly combine two binary variables into one dependent variable?

    I want to create a combined death or stroke rate binary variable. For each row (patient data), I have data for death and stroke (yes/no) separately. How should I create the two variables into one dependent variable to use in multivariate logistic models? I worry that simply using the OR...
  4. A

    SPSS: combine two variables with overlapping values into one

    Hello My data consists of two waves. For the variable 'marital status', the value has been left blank in the second wave if it did not change over time. I am looking for a way to combine these two variables indicating the marital status into one in SPSS. If the marital status had...