Hi Andrew,
My inclination would be to put all the variables in a data.frame
instead of putting the predictors in a matrix. But if you want to
continue down this road, you need to have a column named dat in a the
data.frame that contains a matrix. I couldn't figure out how to do
such a thing in a
I'm trying to get predicted probabilities out of a regression model,
but am having trouble with the newdata option in the predict()
function. Suppose I have a model with two independent variables, like
this:
y=rbinom(100, 1, .3)
x1=rbinom(100, 1, .5)
x2=rnorm(100, 3, 2)
mod=glm(y ~ x1 +
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