|
| Group Lasso | Group SCAD | Group Bridge | Composite MCP |
| 截距 | −0.5512 | −0.2625 | −0.5174 | −0.1281 |
x1成本因素 | x11曝光数 | 0.4012 | 0.3258 | 0.2982 | 0.3215 |
x12平均点击价格 | 1.1531 | 1.0246 | 1.1428 | 1.1433 | |
x13平均转化成本 | 0.0327 | 0.0436 | 0 | 0 | |
x14平均位置排名 | 2.4502 | 2.3125 | 2.2985 | 3.0136 | |
x2广告性质 | x21关键词个数 | −0.0325 | −0.1001 | −0.0958 | −0.1032 |
x22是否含商标 | 0.2018 | 0.2249 | 0.2014 | 0.2257 | |
x23是否含动词 | −0.0362 | −0.0237 | 0 | 0 | |
x24是否包含价格 | 0.1028 | 0.1671 | 0.2749 | 0.3518 | |
x25是否涉及地域信息 | −0.1335 | −0.1264 | −0.2071 | −0.2403 | |
x26是否为特定产品 | 0.1243 | 0.1127 | 0.2180 | −0.2349 | |
x3访问数据 | x31平均访问页数 | 1.0028 | 1.1025 | 1.1079 | 1.4513 |
x32访问次数 | 1.2407 | 0.9678 | 1.1009 | 1.0005 | |
x33平均访问时长 | −0.8721 | −0.9124 | −0.7149 | −0.7706 | |
x34跳出率 | −0.1035 | −0.1257 | −0.1795 | −0.1628 |