# How to visualize multivariate linear regression? [duplicate]

When I have data which has one dependent and one independent variable, I can clearly explain it in cartesian coordinate system

here is a regression line when my $$y$$ approximately equals to $$2x + 3$$

but what about a second variable ? what if my model was $$y = 2x + z +3$$ ? would visualizing it be only possible with a three-dimensional coordinate system ? if it is, what about four and more ? My question might be a bit pointless, thanks in advance.

• Is it multivariable regression, or multivariate regression. It sounds like the former, but you've used the latter in the question title and tags. Jun 12 at 20:30
• @RobertLong I don't know the difference between'em, they mean the same in my lang. Jun 12 at 21:13
• @SametSökel ncbi.nlm.nih.gov/pmc/articles/PMC3518362 Jun 12 at 21:39
• I think you will find the information you need in the linked thread. Please read it. If it isn't what you want / you still have a question afterwards, come back here & edit your question to state what you learned & what you still need to know. Then we can provide the information you need without just duplicating material elsewhere that already didn't help you. Jun 12 at 21:55