|                                                   |        CPI |
|:--------------------------------------------------|-----------:|
| ('Media_source_1', 'install', 'Brazil')           | 0.00864771 |
| ('Media_source_1', 'install', 'Ukrane')           | 0.0146436  |
| ('Media_source_1', 'install', 'Russia')           | 0.0194719  |
| ('Media_source_2', 'install', 'English_speaking') | 0.245577   |
| ('Media_source_1', 'purchase', 'Brazil')          | 0.350018   |
| ('Media_source_1', 'purchase', 'Russia')          | 0.390114   |
| ('Media_source_2', 'install', 'Brazil')           | 0.533882   |
| ('Media_source_1', 'purchase', 'Ukrane')          | 1.33896    |