Hello,
I am a newcomer to R and therefore apologize for posting such a
basic question. I am
trying to multiply 2 matrices t(X1)%*%X1, where t(X1) is:
1 2 3 4 5 8 12 13 20 24 26 27 31 33 34 36 37 40 41 42 45 46
47 48 49
ones 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1
Shadow 0 1 1 1 1 1 1 1 0 1 1 1 1 0 1 0 1 0 1 1
0 1 0 1 0
However, when I try to perform this operation, I obtain:
Error in t(X1) %*% X1 : requires numeric matrix/vector arguments
Can someone please tell me what I seem to be doing wrong? thanks.
Sincerely,
Murali Kuchibhotla
Murali Kuchibhotla
Department of Economics
Iowa State University
Office:75,Heady
Phone:515-294-5452
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