Pwcorr Stata Interpretation. Pwcorr variablea variableb sig star 05 in case the researcher wants to observe the number of observations n or sample size i e. We have used the hsb2 data set for this example.
You can carry out a pearson s correlation using code or stata s graphical user interface gui. The correlate command displays the correlation matrix or covariance matrix for a group of variables. The unadjusted significance level is calculated by pwcorr as p 2 ttail n 2 jˆbj p n 2 1 ˆb2 correlate correlations covariances of variables or coefficients 7.
After you have carried out your analysis we show you how to interpret your results.
The variables read write math and science are scores that 200 students received on these tests. In the example below the variable rep78 is the only. Number of obs this is the number of observations used in the regression analysis. The variables read write math and science are scores that 200 students received on these tests.
