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st: Create submatrix from estimates
I am using Stata 8.2 and I am having difficulties creating 2 submatrices
from a mlogit equation estimates.
I want to define a separate matrix for each of the two outcomes (col names
are "1:" and "2:"). For instance I defined:
matrix A = e(b) ** where e(b) is a coefficients matrix of size [1,20]
But, I want matrix A1 = the first 10 columns of e(b) and matrix A2 = the
last 10 columns. I tried subscriptions notations, but I keep getting
errors. I'd appreciate any assistance.
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