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crossprod
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1997-04-23
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12 lines
_M_a_t_r_i_x _C_r_o_s_s_p_r_o_d_u_c_t
crossprod(x, y=x)
_D_e_s_c_r_i_p_t_i_o_n:
Given matrices x and y as arguments, t returns their
matrix cross-product. This is formally equivalent to,
but faster than, the call t(x) %*% y.