When the CROSSCORR= option is used, PROC ARIMA prints a plot of the cross-correlation function for each variable in the CROSSCORR= list. This plot is similar in format to the other correlation plots, ...

Figure 1: Distribution of quasars in the EV1 plane. Figure 2: Average [O iii] profiles in the EV1 plane. Figure 3: Cross-correlation functions between different quasar subsamples and a galaxy sample.