The SAS System                               11:11 Sunday, July 27, 2008   1

Obs    gtype      n     yes    event    count

 1      AA      2293    255     yes       255
 2      AA      2293    255     no       2038
 3      AG      4347    564     yes       564
 4      AG      4347    564     no       3783
 5      GG      2140    298     yes       298
 6      GG      2140    298     no       1842
The SAS System                               11:11 Sunday, July 27, 2008   2

The FREQ Procedure

Table of gtype by event

gtype     event

Frequency|
Expected |no      |yes     |  Total
---------+--------+--------+
AA       |   2038 |    255 |   2293
         | 2001.3 | 291.72 |
---------+--------+--------+
AG       |   3783 |    564 |   4347
         |   3794 | 553.03 |
---------+--------+--------+
GG       |   1842 |    298 |   2140
         | 1867.7 | 272.25 |
---------+--------+--------+
Total        7663     1117     8780


Statistics for Table of gtype by event

Statistic                     DF       Value      Prob
------------------------------------------------------
Chi-Square                     2      8.3344    0.0155
Likelihood Ratio Chi-Square    2      8.4644    0.0145
Mantel-Haenszel Chi-Square     1      7.9309    0.0049
Phi Coefficient                       0.0308          
Contingency Coefficient               0.0308          
Cramer's V                            0.0308          

Sample Size = 8780