In data martedì 10 aprile 2012 13:34:13, Nevil Amos ha scritto:
How do I remove a $ character from a string sub() and gsub() with $ or
\$ as pattern do not work.
sub($,,ABC$DEF)
[1] ABC$DEF
sub(\$,,ABC$DEF)
Error: '\$' is an unrecognized escape in character string starting \$
On Saturday 09 October 2010 14:37:35 Holger Steinmetz wrote:
Dear folks,
can anybody point me in the right direction on how to conduct a hausman
test for endogeneity in simultanous equation models?
Best,
Holger
hausman.systemfit [1] should be what you are looking for.
Cheers
Giuseppe
[1]
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