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| Variable name | Description |
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| CV(i) | The value of the ith customer in the statistical period |
| PV(i) | Purchase value of the ith customer in the statistical period |
| IV(i) | Interactive value of the ith customer in the statistical period |
| MDV(i) | Marketing diffusion value of the ith customer in the statistical period |
| CMV(i) | Comment value of the ith customer in the statistical period |
| SV(i) | Sharing value of the ith customer in the statistical period |
| TRD(i) | Transaction relationship duration of the ith customer in the statistical period |
| PF(i) | Purchase frequency of the ith customer in the statistical period |
| APM(i) | Average consumption amount of the ith customer in the statistical period |
| LCT(i) | Interval between the ith customer’s latest comments in the statistical period |
| CF(i) | Frequency of comments made by the ith customer during the statistical period |
| FR(i) | The favorable rate of the ith customer’s comments during the statistical period |
| CQ(i) | The quality of comments made by the ith customer during the statistical period |
| LST(i) | The latest sharing interval of the ith customer in the social network during the statistical period |
| SW(i) | The ith customer’s sharing willingness in the social network during the statistical period |
| SF(i) | The ith customer’s sharing frequency in the social network during the statistical period |
| PR(i) | PageRank value of the ith customer during the statistical period |
| DC(i) | Degree centrality value of the ith customer during the statistical period |
| BC(i) | Betweenness centrality value of the ith customer during the statistical period |
| α | The weight of customer purchase value |
| β | The weight of customer interactive value |
| γ | The weight of customer marketing diffusion value |
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