For example my model has this code

```
g = glm(Vote ~., -ID, data=train, family=binomial)

```

So, `-ID` is excluding `ID` columns. What do I do if I want to exclude a few more columns? I tried

```
g = glm(Vote ~., -c(ID,YOB,ABC) , data=train, family=binomial)

```

that threw an error.