zero-inflation

  1. C

    Generalized linear mixed model, continuous variable, zero values

    Hello, I have conducted a longitudinal study with four waves of data collection. My data have a nested structure: there are four levels in my data (time - level 1, student - level 2, class - level 3, school - level 4). Student sample size = 51 (no missing values) I want to fit generalized...
  2. S

    How do I run a moderator analysis within zero-inflated negative binomial(ZINB) reg?

    How do I run a moderator analysis within zero-inflated negative binomial(ZINB) regression? I do have independent variables (Social Network Analysis results(continuous..)) and control variables(nomial, ordinal). The moderating variable is quantitative. The dependent variable is count...
  3. S

    Correlation coefficient for zero inflated count data

    Hi, I would like to ask what is the proper correlation coefficient to use for count data and for zero inflated count data. would Kendall tau do the job or would the data violate some assumptions of it?
  4. D

    Negative Binomial Regression in R

    Hi all, I am fairly new to the R world. I need some help with correct syntax for running a negative binomial regression/zero-inflation negative binomial regression on some data. I am trying to run a regression that looks at how race/ethnicity influences the number of summer meal sites in a...