Event.csv contains the following variables (variable names are

listed in the first row).  All variables are numeric.



date    Date

ewret   Market return (equal weighted)

vwret   Market return (value weighted)

r1      Reebok

r2      Converse

r3      Coca Cola

r4      General Motors

r5      Pepsi

r6      Wrigley

r7      General Mills

r8      Sara Lee

r9      Quaker Oats

r10     Kellogg's

r11     Converse

r12     McDonald's

r13     Nike

r14     Post

r15     Tribune



Either r2 or r11 is likely mislabeled.  However, r2, r11, and r14 

are each missing return data and should be therefore excluded

from the analysis.