hetcor function what function bootstraps data to show consistency in sem which function fails to get convergence? what r function does polycor fail in what is the function hetcor hetcor function what function is used to construct an rdata model? what is hetcor in sql what is the function of hetcor how to use polycor function is openmx a sem does polycor use the same function can you use polycor in openmx why does openmx fail does hetcor work in polycor how to find out the covariance of a data set used for polycor how to use polycor in opensem why does hetcor fail in openmx hetcor function failure how is polycor used in sam?