SET LENGTH=NONE.
SET MXLOOP=1000000000．
MATRIX
GET W/VARIABLES=Ell/FILE= * / missing=omit．
COMPUTE NC=NCOL(W)．
COMPUTE NR=NROW(W)．
COMPUTE Y=MAKE(NR,1,0)．
COMPUTE XX=MAKE(NR,NC,1)．
COMPUTE YLAM=MAKE(NR,1,1)．
CoMPUTE BOXCOX=MAKE(61,2,0)．
COMPUTE YTEMP=0．
LOOP II=1 TO NR
COMPUTE Y(II,1)=W(II,1)．
LOOP JJ=1 TO NC-1．
CO_MPUTE XX(II,JJ+1)=W(II,JJ+1)．
END LOOP．
COMPUTE YTEMP=YTEMP+LN(Y(II))．
END LOOP．
LOOP TEMP=1 TO 61．
COMPUTE LAMBDA=-3.1+TEMP*0.1．
DO IF LAMBDA=0．
COMPUTE YLAM(:)=LN(Y(:))．
ELSE．
COMPUTE YLAM(:)=(Y(:)&**LAMBDA-1)/
LAMBDA．
END IF．
COMPUTE MSE=T(YLAM-XX*BETA)*(YLAM-
XX*BETA)/NR
COMPUTE IDGLIKE=-1*NR/2*LN(MSE)+(LAMB-
DA-1)*YTEMP．
COMPUTE BoXCOX(TEMP,1)=LAMBDA
COMPUTE BOXCOX(TEMP,2)=LOGLIKE
END LOOP．
SAVE BOXCOX/OUTFILE=*.END MATRIX
RENAME VARIABLES COL1=LAMBDA COL2=LOGLlKE
问题：要求变换值，如何在这个程序里改，老师提供的太模糊，自己改了下错误，但变量名实在是看不懂什么意思啊？高手指点，不甚谢谢。给解释下有些行的代码的变量。