我现在用1万多条企业面板数据做双重固定效应回归,然后得到的r方有0.8多,问了一些学长,他们说不用关注这个r方,但是也有人说这个r方有点太高了,所以现在不知道有没有问题,能请大家帮忙看看,解答解答吗,谢谢大佬们

[cry][cry]
VARIABLES | FE | FE |
did | 0.014*** | 0.013*** |
| (0.001) | (0.001) |
lnsize_w | | -0.007*** |
| | (0.000) |
lev_w | | -0.009*** |
| | (0.002) |
SOE | | 0.001 |
| | (0.001) |
Growth_w | | 0.001* |
| | (0.000) |
roa_w | | 0.068*** |
| | (0.004) |
Top10 | | -0.002 |
| | (0.002) |
总资产周转率 | | 0.009*** |
| | (0.001) |
Constant | 0.605*** | 0.760*** |
| (0.001) | (0.008) |
Observations | 14,196 | 14,196 |
R-squared | 0.874 | 0.885 |
Number of id | 1,014 | 1,014 |
yearfix | YES | YES |
idfix | YES | YES |