I believe that regression coefficients can change signs in partial
least squares (pls) or in the related structural equation modeling (sem)
for roughly the same reasons they can change sign in ordinary least
squares (ols). Both PLS and SEM essentially assume that the
'independent' va
dear all,
I am a new comer to R and statistic. Now I have a little confuse about the
package pls.
I have to use 5 components to form a model. There are strong relationship
between some of the components, which leads to the changes of the sign of
each coeficeince, of course this is unwanted when