Finally, a dummy variable (NL = 0,AL = 1) was used to control for any differences between leagues, such as the designated hitter rule. The results of four regressions are shown in Table 7.5. Several conclusions can be drawn from these results:
Finally, a dummy variable (NL = 0,AL = 1) was used to control for any differences between leagues, such as the designated hitter rule. The results of four regressions are shown in Table 7.5. Several conclusions can be drawn from these results: