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why I got "NA" in the regression coefficient table ?

Sorry, but i'm not speak english very well !
I have to do a regression analysis for my research dissertation, but in the last table there is "NA" in one of my predictor variables.
what can I do for that?

Thank you, !



  • I'll post this on the GutHub page.

  • edited December 2017

    Hi Sarah,

    It's a little tricky to determine the cause based on a screenshot.
    Could you please share the dataset with us or save your output as a .jasp file?
    You can attach it here or send it to t.dejong [at]


    Edit: never mind! I just found out this was addressed by another developer already.

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