genlnX2=log(X2)genlnX4=log（X4）genlnX9=log(X9)genlnX12=log(X12)genlny=log(y)reglog(y)log(X2)log(X4)log(X12）log(X9)代码如上一直提示invalid'gen'到底是哪里错了？...
本人小白，求详解