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st: xtregdhp" matrix operation not found" error

From   "Choi, Jaewon" <>
To   "" <>
Subject   st: xtregdhp" matrix operation not found" error
Date   Fri, 12 Apr 2013 20:03:04 +0000


I keep getting error message "matrix operation not found" when using the xtregdhp module. Has anyone had a similar error before?

Here is what happens when I run the example given in the help file. I am simply running the dta file that comes along with the module:

. sysuse xtregdhp.dta, clear

. db xtregdhp

. xtset id t
       panel variable:  id (strongly balanced)
        time variable:  t, 1 to 7
                delta:  1 unit

. xtregdhp y x1 x2 , id(id) it(t) mfx(lin) diag lmh predict(Yh) resid(Eu)
matrix operation not found

I am running Stata MP 12.1 on Windows. Any thoughts would be appreciated very much.

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