Question

Consider the design matrix X of dimension N×(p+1). Which of the following statements are true?

Answer 1

Answer:

Both are correct

a. The rowspace of X is the same as the columnspace of XT

b. The rowspace of X is the same as the rowspace of XT

Explanation:

Consider the design matrix X of dimension N×(p+1). Which of the following statements are true

Missing statement in question:-

a. The rowspace of X is the same as the columnspace of XT

b. The rowspace of X is the same as the rowspace of XT

Both a and b is correct.