I am a novice in R, and fitting a linear model with lm(). Here is a summary of my linear model.
Here are some assumption checking plots
The normal histogram and qqplot looks okay to me, but there are strong patterns appearing in the residual plot. Anybody have a clue why that might be happening? I logged my dependent variable because it was highly skewed and most of my independent variables are categorical. I have got only a few continuous variables. Thanks for reading my post!