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Type 'q()' to quit R. > y <- c(98.1,101.1,111.1,93.3,100,108,70.4,75.4,105.5,112.3,102.5,93.5,86.7,95.2,103.8,97,95.5,101,67.5,64,106.7,100.6,101.2,93.1,84.2,85.8,91.8,92.4,80.3,79.7,62.5,57.1,100.8,100.7,86.2,83.2,71.7,77.5,89.8,80.3,78.7,93.8,57.6,60.6,91,85.3,77.4,77.3,68.3,69.9,81.7,75.1,69.9,84,54.3,60,89.9,77,85.3,77.6,69.2,75.5,85.7,72.2,79.9,85.3,52.2,61.2,82.4,85.4,78.2,70.2,70.2,69.3,77.5,66.1,69,75.3,58.2,59.7) > x <- c(103.1,100.6,103.1,95.5,90.5,90.9,88.8,90.7,94.3,104.6,111.1,110.8,107.2,99,99,91,96.2,96.9,96.2,100.1,99,115.4,106.9,107.1,99.3,99.2,108.3,105.6,99.5,107.4,93.1,88.1,110.7,113.1,99.6,93.6,98.6,99.6,114.3,107.8,101.2,112.5,100.5,93.9,116.2,112,106.4,95.7,96,95.8,103,102.2,98.4,111.4,86.6,91.3,107.9,101.8,104.4,93.4,100.1,98.5,112.9,101.4,107.1,110.8,90.3,95.5,111.4,113,107.5,95.9,106.3,105.2,117.2,106.9,108.2,110,96.1,100.6) > par1 = '0' > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: Wessa P., (2007), Linear Regression Graphical Model Validation (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_linear_regression.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -23.469 -9.802 -2.904 7.782 33.213 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 15.3024 21.4296 0.714 0.47731 x 0.6544 0.2095 3.124 0.00251 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 14.03 on 78 degrees of freedom Multiple R-Squared: 0.1112, Adjusted R-squared: 0.09979 F-statistic: 9.757 on 1 and 78 DF, p-value: 0.002507 > postscript(file="/var/www/html/rcomp/tmp/1wp901194692401.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2q51c1194692401.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -1.031e-14 -3.980e-15 -2.617e-17 3.488e-15 2.609e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.530e+01 8.350e-15 1.833e+15 <2e-16 *** x 6.544e-01 8.163e-17 8.017e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 5.467e-15 on 78 degrees of freedom Multiple R-Squared: 1, Adjusted R-squared: 1 F-statistic: 6.427e+31 on 1 and 78 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$fitted.values)) > names(z2) <- list('x','Fitted') > plot(z2,main='Scatterplot, lowess, and regression line') > lines(lowess(z2),col='red') > abline(m2) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/315mu1194692401.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m3 <- lm(m$residuals ~ x) > summary(m3) Call: lm(formula = m$residuals ~ x) Residuals: Min 1Q Median 3Q Max -23.469 -9.802 -2.904 7.782 33.213 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 8.441e-15 2.143e+01 3.94e-16 1 x -1.061e-16 2.095e-01 -5.06e-16 1 Residual standard error: 14.03 on 78 degrees of freedom Multiple R-Squared: 3.71e-32, Adjusted R-squared: -0.01282 F-statistic: 2.894e-30 on 1 and 78 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4ffbs1194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -10.0883 -3.8879 -0.7305 3.6376 9.9362 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 8.206e+01 5.548e-01 147.9 <2e-16 *** m$residuals 1.075e-17 4.005e-02 2.68e-16 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 4.962 on 78 degrees of freedom Multiple R-Squared: 1.056e-28, Adjusted R-squared: -0.01282 F-statistic: 8.235e-27 on 1 and 78 DF, p-value: 1 > z4 <- as.data.frame(cbind(m$residuals,m$fitted.values)) > names(z4) <- list('Residuals','Fitted') > plot(z4,main='Scatterplot, lowess, and regression line') > lines(lowess(z4),col='red') > abline(m4) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/5qy8n1194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > m5 <- lm(myr ~ lag(myr,1)) > summary(m5) Call: lm(formula = myr ~ lag(myr, 1)) Residuals: Min 1Q Median 3Q Max -3.139e-15 -8.199e-16 -3.411e-16 -9.113e-17 3.061e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 7.056e-31 4.083e-16 1.73e-15 1 lag(myr, 1) 1.000e+00 2.947e-17 3.393e+16 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 3.652e-15 on 78 degrees of freedom Multiple R-Squared: 1, Adjusted R-squared: 1 F-statistic: 1.151e+33 on 1 and 78 DF, p-value: < 2.2e-16 > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6gjhg1194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7rph21194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > if (par1 > 0) + { + densityplot(~x,col='black',main=paste('Density Plot bw = ',par1),bw=par1) + } else { + densityplot(~x,col='black',main='Density Plot') + } > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/83l4q1194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/975yr1194692402.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > grid() > dev.off() null device 1 > load(file='/var/www/html/rcomp/createtable') > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$coefficients[[1]]) > sd <- sqrt(vcov(m)[1,1]) > a<-table.element(a,sd) > tstat <- m$coefficients[[1]]/sd > a<-table.element(a,tstat) > pval <- 2*(1-pt(abs(tstat),length(x)-2)) > a<-table.element(a,pval) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'slope',header=TRUE) > a<-table.element(a,m$coefficients[[2]]) > sd <- sqrt(vcov(m)[2,2]) > a<-table.element(a,sd) > tstat <- m$coefficients[[2]]/sd > a<-table.element(a,tstat) > pval <- 2*(1-pt(abs(tstat),length(x)-2)) > a<-table.element(a,pval) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/102lc71194692402.tab") > > system("convert tmp/1wp901194692401.ps tmp/1wp901194692401.png") > system("convert tmp/2q51c1194692401.ps tmp/2q51c1194692401.png") > system("convert tmp/315mu1194692401.ps tmp/315mu1194692401.png") > system("convert tmp/4ffbs1194692402.ps tmp/4ffbs1194692402.png") > system("convert tmp/5qy8n1194692402.ps tmp/5qy8n1194692402.png") > system("convert tmp/6gjhg1194692402.ps tmp/6gjhg1194692402.png") > system("convert tmp/7rph21194692402.ps tmp/7rph21194692402.png") > system("convert tmp/83l4q1194692402.ps tmp/83l4q1194692402.png") > system("convert tmp/975yr1194692402.ps tmp/975yr1194692402.png") > > > proc.time() user system elapsed 2.197 1.454 2.562