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  1. K

    Calculating predicted probabilities from a logistic regression model SPSS

    Hello everyone, I am trying to calculate individual predicted probabilities from a logistic regression model with SPSS (to describe how a individual probability could be calculated from my model in an article). I was looking for a formula how the predicted probabilities in SPSS are calculated...
  2. K

    Multicollinearity problem in binary logistic regression

    I'd like to ask for some help with a binary logistic regression. In SPSS I am trying to build a binary logistic regression with 4 independent continuous variables (Sample size - 85). I have a dichotomous dependent variable (a clinical form of multiple sclerosis) and quite a few independent...
  3. K

    Large odds ratio in binary logistic regression/big scale difference of variables

    I'd like to ask for some help with a binary logistic regression. In SPSS I am building a binary logistic regression with 4 independent continuous variables(Sample size - 85). However, with one of the variables (Bicaudatus_index) I get a huge odds radio: I think that I know where the problem...
  4. K

    Graph building question

    Hello everyone, I would like to ask a question concerning graph and chart building inside and outside of SPSS: 1)I am trying to create two graphs similar to these examples: Basically, I want to create a scatterplot combined with a bar diagram, to show individual dots as single values, and a...