[R] How to use predict() so that one retains the rows that they're associated with?
Richard M. Heiberger
rmh at temple.edu
Thu Oct 20 15:05:26 CEST 2016
I believe you have missing values and therefore you need to use
glm(formula, data, na.action=na.exclude, ...)
The relevant line is
when 'na.exclude' is used the residuals and
predictions are padded to the correct length by inserting 'NA's
for cases omitted by 'na.exclude'.
On Thu, Oct 20, 2016 at 7:40 AM, mviljamaa <mviljamaa at kapsi.fi> wrote:
> I'm using predict() for my glm() logistic model, but I'm having trouble
> relating the predicted results to the rows that produced them.
> I want to be able to plot predictions along some categorical variables.
> So what can I do in order to get predicted values but also know what
> variable values produced them?
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