>future predictions. But what is a future prediction really? You have a model and a dataset (possibly generated by previous input to the model), and then you

>future predictions. But what is a future prediction really? You have a model and a dataset (possibly generated by previous input to the model), and then you ask it "IF x then what, IF y then what." It's the exact same thing as turning data into an approximate line, and then inputting data into the function to predict the output value, within a certain confidence.