我正在运行订单物流回归,但它返回了"Error in svd(X) : infinite or missing values in 'x'"
之类的错误。你能帮助我吗?
我的数据集如下。回归是regression = polr(rank ~ ratings + reviewNum + activeUsers + Downloads, data = Sample,Hess = TRUE)
date rank travel ratings reviewNum activeUsers Downloads
1 2/1/2017 1 N 4.928571 14 117684 5541
90
2/1/2017 11 N 1.000000 1 26056 1946
179
2/1/2017 10 N 4.786667 75 55507 7600
268
2/1/2017 6 N 2.600000 10 130150 7154
446
2/1/2017 4 Y 1.000000 1 19167 2369
535
2/1/2017 3 N 4.833333 12 87341 6274
624
2/1/2017 7 N 4.273810 84 193104 14214
>
非常感谢你!