Removing elements from a matrix 8/12

Screen Link:

My Code:

complete_university_matrix[tuition >= 45000, c(-2, -3, -4)]

What I expected to happen:
Please Explain this code. Also, why did we use tuition without any quotation sign? We used names with quotation to do all kind of operation such as retrieving values.

What actually happened:

Replace this line with the output/error
1 Like