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I am trying to model a response variable which is a proportion (so a response between 0 and 1, see picture for distribution).

Ideally I would like to model it without using the actual counts, so as a decimal.

So far I have been using a binomial family in R.

```
model <- glm(Response ~
X1 +
X2 +
X3,
data = Training_data,
family = 'binomial')
```

I think the model is doing okay, but when I use it for predictions it doesn't do a good job predicting when the ratio is 1 (As you can see from the picture).

I'm not sure if my approach of using a binomial distribution is wrong?

Thanks for your help ]1

This is not completely off topic, but in my opinion you will get better answers to that question in cross validated: https://stats.stackexchange.com/.

– lcrmorin – 2020-04-14T07:19:05.643Thanks, I just posted there. – Jared Fowler – 2020-04-14T22:05:38.617