Recent content by health_economist2904

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    ROC curve - AUC related question

    Just a small note - I believe AUC was calculated by trapezoidal approach. Are you thinking about partial AUC maybe?
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    ROC curve - AUC related question

    Yes - there is a true prevalence for the outcome of interest, and it is indeed a slightly different than the one I have in my study sample. I was using SPSS for the analysis, is there a way to see where is this formula, so I can share it with you?
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    ROC curve - AUC related question

    Hi Dason! Thank you very much for taking the time to look at my question. To be honest, I thought I did, but now, I'm just uncertain. I did understand that the AUC is a summary of overall performance of the test, accounting for all cut off values and their corresponding true negative and false...
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    ROC curve - AUC related question

    Hi guys! I am trying to determine the best cut off value for a single diagnostic test by performing the ROC curve analysis. The diagnostic test has AUC of 0.99, so the test has a high discriminating potential, which is great, and I found the best cut off value by choosing the optimal cut off...
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    Generalized linear model for cost data in spss

    Hi guys, I urgently need your help on this: I want to apply a generalized linear model (GLM) to compare adjusted costs between 2 or more groups of patients, let’s say the name of this group variable is “cohort” (please check the photo). What is a correct way to do this in SPSS? Is it correct to...