priss111
the relationship between type of skin and type of acne 22:33 Saturday, May 8, 2004 5
Obs r c f
1 1 1 4
2 1 2 12
3 1 3 0
4 1 4 0
5 2 1 14
6 2 2 34
7 2 3 2
8 2 4 1
9 3 1 4
10 3 2 54
11 3 3 10
12 3 4 11
13 4 1 10
14 4 2 87
15 4 3 5
16 4 4 2
the relationship between type of skin and type of acne 22:33 Saturday, May 8, 2004 6
FREQ 过程
r * c 表
r c
频数 |
百分比 |
行百分比|
列百分比|first |second |third |forth | 合计
--------+--------+--------+--------+--------+
dry | 4 | 12 | 0 | 0 | 16
| 1.60 | 4.80 | 0.00 | 0.00 | 6.40
| 25.00 | 75.00 | 0.00 | 0.00 |
| 12.50 | 6.42 | 0.00 | 0.00 |
--------+--------+--------+--------+--------+
middle | 14 | 34 | 2 | 1 | 51
| 5.60 | 13.60 | 0.80 | 0.40 | 20.40
| 27.45 | 66.67 | 3.92 | 1.96 |
| 43.75 | 18.18 | 11.76 | 7.14 |
--------+--------+--------+--------+--------+
oil | 4 | 54 | 10 | 11 | 79
| 1.60 | 21.60 | 4.00 | 4.40 | 31.60
| 5.06 | 68.35 | 12.66 | 13.92 |
| 12.50 | 28.88 | 58.82 | 78.57 |
--------+--------+--------+--------+--------+
mixed | 10 | 87 | 5 | 2 | 104
| 4.00 | 34.80 | 2.00 | 0.80 | 41.60
| 9.62 | 83.65 | 4.81 | 1.92 |
| 31.25 | 46.52 | 29.41 | 14.29 |
--------+--------+--------+--------+--------+
合计 32 187 17 14 250
12.80 74.80 6.80 5.60 100.00
r * c 的汇总统计量
Cochran-Mantel-Haenszel 统计量（基于表得分）
统计量 对立假设 自由度 值 概率
----------------------------------------------------------------
1 非零相关 1 2.7804 0.0954
2 行均值得分差值 3 29.1629 <.0001
3 一般关联 9 37.4520 <.0001
总样本大小 = 250
资料是单向有序的 则看行均值得分差值 29.1629
第二列的总计是 187
