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Box-Cox Transformation: Drastic differences when varying added constants
Holger Steinmetz
·
May 16, 2010
·
r-help
Dear experts, I tried to learn about Box-Cox-transformation but found the following thing: When I had to add a constant to make all values of the original variable positive, I found that the lambda estimates (box.cox.powers...
Propensity score matching with MatchIt
Holger Steinmetz
·
Oct 27, 2010
·
r-help
Hi there, I try to create two similar cross-cultural sub samples with MatchIt and it does not work. Perhaps, someone can lead me in the right direction. I have two samples that differ on some occupational data (mainly pay...
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