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In some papers I've seen the sample size formula for estimating proportions used as a magic one for obtaining "representative samples". In these cases they use the formula as if the estimated...
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I´ve found different ways of dealing with the problem of selecting variables for multivariate binomial logistic regression. Some authors include only variables with a significant bivariate...
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Cronbach Alpha is very used for assessing internal consistence of a scale. It is very much used for scales with items scored with a Likert scale. I wonder if the number of the Likert scale points...
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Which of the two models is better to analyze factors that influence the appearance of a certain event when the data is not censored? Cox Regression or Logistic Regression? Let´s add that time to...
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