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amoeba
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amoeba
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What is quasibinomialquasi-binomial distribution (in the context of GLM)?

I'm hoping someone can provide an intuitive overview of what quasibinomial distribution is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution.

  2. When the response variable is a proportion (example values include 0.23, 0.11, 0.78, 0.98), a quasibinomial model will run in R but a binomial model will not.

  3. Why quasibinomial models should be used when a TRUE/FALSE response variable is overdispersed.

What is quasibinomial?

I'm hoping someone can provide an intuitive overview of what quasibinomial is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution

  2. When the response variable is a proportion (example values include 0.23, 0.11, 0.78, 0.98), a quasibinomial model will run in R but a binomial model will not.

  3. Why quasibinomial models should be used when a TRUE/FALSE response variable is overdispersed.

What is quasi-binomial distribution (in the context of GLM)?

I'm hoping someone can provide an intuitive overview of what quasibinomial distribution is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution.

  2. When the response variable is a proportion (example values include 0.23, 0.11, 0.78, 0.98), a quasibinomial model will run in R but a binomial model will not.

  3. Why quasibinomial models should be used when a TRUE/FALSE response variable is overdispersed.

added dot in 078 (then added some more dots at ends of sentences to get to my at least 6 characters required for edits)
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I'm hoping someone can provide an intuitive overview of what quasibinomial is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution

  2. When the response variable is a proportion (example values include 0.23, 0.11, 0780.78, 0.98), a quasibinomial model will run in R but a binomial model will not.

  3. Why quasibinomial models should be used when a TRUE/FALSE response variable is overdispersed.

I'm hoping someone can provide an intuitive overview of what quasibinomial is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution

  2. When the response variable is a proportion (example values include 0.23, 0.11, 078, 0.98), a quasibinomial model will run in R but a binomial model will not

  3. Why quasibinomial should be used when a TRUE/FALSE response variable is overdispersed

I'm hoping someone can provide an intuitive overview of what quasibinomial is and what it does. I'm particularly interested in these points:

  1. How quasibinomial differs to the binomial distribution

  2. When the response variable is a proportion (example values include 0.23, 0.11, 0.78, 0.98), a quasibinomial model will run in R but a binomial model will not.

  3. Why quasibinomial models should be used when a TRUE/FALSE response variable is overdispersed.

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Glen_b
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luciano
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