This implies that the unobserved components of the selection into the J different programmes are perfectly correlated, but the correlation between v u and v p is unrestricted.
The size of SCF depots was highly correlated, but the correlation between visceral and SCF depots was of smaller magnitude (Table 2).
Sitting was eliminated as it correlated strongly with typing but the correlation between typing and symptoms was higher.
Body height and weight were deleted as they correlated strongly with the BMI but the correlation between BMI and symptoms was higher.
Overall, the unemployment rates at actual entry is correlated with the years of schooling, but the correlation between labor market conditions at age 18 and options upon graduation is very weak for this sample.
Also age was deleted as it correlated strongly with years on the job but the correlation between years on the job and symptoms was higher.
But the correlation between the use of seat belts and the death rate is strong all over the country.
But the correlation between age and earning power breaks down when you look at whites and blacks.
But the correlation between economic growth and fertility is not reliable.
Republicans still have an advantage the higher you go up the income scale, but the correlation between income and voting patterns is weaker.
The speciation rate in Anophelinae is relatively high, but the correlation between this rate and both atmospheric CO2 and temperature is comparatively low.
