面向商业的数据驱动决策
Ted Kwartler
Data Dude
$$

| Q1(总体满意度) | Q2 | Q3 | Q4 | |
|---|---|---|---|---|
| Customer-1 | 1 | 5 | 5 | 5 |
| Customer-2 | 1 | 4 | 5 | 5 |
| Customer-3 | 0 | 1 | 3 | 1 |
| Customer-N | 1 | 1 | 4 | 4 |
| ... | ... | ... | ... | ... |
| Q1(总体满意度) | Q2 | Q3 | Q4 | |
|---|---|---|---|---|
| Customer-1 | 1 | 5 | 5 | 5 |
| Customer-2 | 1 | 4 | 5 | 5 |
| Customer-3 | 0 | 1 | 3 | 1 |
| Customer-N | 1 | 1 | 4 | 4 |
| ... | ... | ... | ... | ... |
$$
| Q1(总体满意度) | Q2 | Q3 | Q4 | |
|---|---|---|---|---|
| Customer-1 | 1 | 5 | 5 | 5 |
| Customer-2 | 1 | 4 | 5 | 5 |
| Customer-3 | 0 | 1 | 3 | 1 |
| Customer-N | 1 | 1 | 4 | 4 |
| ... | ... | ... | ... | ... |
$$
逻辑回归模型
$f(\text{总体满意度}) = \beta_1 * Q2 + \beta_2 * Q3 + \beta_3 * Q4$
逻辑回归模型
$f(\text{总体满意度}) = \beta_1 * Q2 + \beta_2 * Q3 + \beta_3 * Q4$
模型输出
$f(\text{总体满意度}) = 0.25 * Q2 + 0.25 * Q3 + 1 * Q4$
系数和
| Beta | 系数和 | 占比 | |
|---|---|---|---|
| Q2 | .25 | 0.6 | .42 |
| Q3 | .25 | 0.6 | .42 |
| Q4 | .1 | 0.6 | .16 |
$$
| Beta | 系数和 | 占比 | |
|---|---|---|---|
| Q2 | .25 | 0.6 | .42 |
| Q3 | .25 | 0.6 | .42 |
| Q4 | .1 | 0.6 | .16 |
加入组织在各类别表现良好的频率背景
| Beta | 系数和 | 占比 | 高分频率 | |
|---|---|---|---|---|
| Q2 | .25 | 0.6 | .42 | .8 |
| Q3 | .25 | 0.6 | .42 | .35 |
| Q4 | .1 | 0.6 | .16 | .15 |

面向商业的数据驱动决策