## An Improved Multiple Linear Regression and Data Analysis Computer Program PackageNEWRAP, an improved version of a previous multiple linear regression program called RAPIER, CREDUC, and CRSPLT, allows for a complete regression analysis including cross plots of the independent and dependent variables, correlation coefficients, regression coefficients, analysis of variance tables, t-statistics and their probability levels, rejection of independent variables, plots of residuals against the independent and dependent variables, and a canonical reduction of quadratic response functions useful in optimum seeking experimentation. A major improvement over RAPIER is that all regression calculations are done in double precision arithmetic. |

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ANOVA Array containing BYPASS,BZERO,DELETE BZERO CALC Y OIF calculations CALL column CRSPLT degrees of freedom DELETE DEVIATION diagonal matrix DIMENSION DOUBLE PRECISION BO,SUMX,SU EIGENVALUES eigenvectors ERRFXD estimated FORMAT FORMATdH FORTRAN GO TO 60 ICOL IFCHI IFSSR IFTT IFWT independent and dependent independent terms independent variables input set INVERSE INVERSE MATRIX IOUT ISTRAT ITR1 ITRI JCOL KONNO lack of fit linear regression LOGICAL BYPASS LOGICAL ECONMY Logical variable set MODEL cards model equation NEWRAP NODEP NOOB NOTERM NOVAR NPDEG NRES NTRANS number of constants Number of observations NWHERE OBSERVED Y CALC OBSERVEO OIF STUOENTIZEO plots pooled PRECISION BO,SUMX,SU MX2,SUMY2,ZEAN predicted values PROBLEM regression analysis REGRESSION COEFFICIENTS regression model relative locations REPLICATE SET TERMS REPS RESIOUAL SIBFTC specified squares due SSQ(REP STATIONARY POINT statistic STORYX studentized residuals SUBROUTINE SUMS OF SQUARES SUMXXI symmetric matrix t-statistics TERMS card TOTWT TRIANG variance variance-covariance matrix XSTORY YCALC(K