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Type 'q()' to quit R. > y <- c(14,11,6,12,8,10,10,11,16,11,13,12,8,12,11,4,9,8,8,14,15,16,9,14,11,8,9,9,9,9,10,16,11,8,9,16,11,16,12,12,14,9,10,9,10,12,14,14,10,14,16,9,10,6,8,13,10,8,7,15,9,10,12,13,10,11,8,9,13,11,8,9,9,15,9,10,14,12,12,11,14,6,12,8,14,11,10,14,12,10,14,5,11,10,9,10,16,13,9,10,10,7,9,8,14,14,8,9,14,14,8,8,8,7,6,8,6,11,14,11,11,11,14,8,20,11,8,11,10,14,11,9,9,8,10,13,13,12,8,13,14,12,14,15,13,16,9,9,9,8,7,16,11,9,11,9,14,13,16) > x <- c(11,7,17,10,12,12,11,11,12,13,14,16,11,10,11,15,9,11,17,17,11,18,14,10,11,15,15,13,16,13,9,18,18,12,17,9,9,12,18,12,18,14,15,16,10,11,14,9,12,17,5,12,12,6,24,12,12,14,7,13,12,13,14,8,11,9,11,13,10,11,12,9,15,18,15,12,13,14,10,13,13,11,13,16,8,16,11,9,16,12,14,8,9,15,11,21,14,18,12,13,15,12,19,15,11,11,10,13,15,12,12,16,9,18,8,13,17,9,15,8,7,12,14,6,8,17,10,11,14,11,13,12,11,9,12,20,12,13,12,12,9,15,24,7,17,11,17,11,12,14,11,16,21,14,20,13,11,15,19) > par1 = '0' > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -6.94058 -1.94058 -0.05132 2.12586 9.21445 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 10.60837 0.86285 12.295 <2e-16 *** x 0.02215 0.06485 0.342 0.733 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.808 on 157 degrees of freedom Multiple R-squared: 0.0007424, Adjusted R-squared: -0.005622 F-statistic: 0.1166 on 1 and 157 DF, p-value: 0.7332 > postscript(file="/var/www/html/rcomp/tmp/189ho1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/289ho1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -1.435e-13 2.352e-16 9.376e-16 1.311e-15 3.127e-15 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.061e+01 3.538e-15 2.999e+15 <2e-16 *** x 2.215e-02 2.659e-16 8.330e+13 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.151e-14 on 157 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 6.94e+27 on 1 and 157 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3i0gr1289921163.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 -6.94058 -1.94058 -0.05132 2.12586 9.21445 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -4.360e-16 8.628e-01 -5.05e-16 1 x 1.474e-17 6.485e-02 2.27e-16 1 Residual standard error: 2.808 on 157 degrees of freedom Multiple R-squared: 1.67e-32, Adjusted R-squared: -0.006369 F-statistic: 2.622e-30 on 1 and 157 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4trfc1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -0.17397 -0.04109 -0.01894 0.04750 0.24682 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.089e+01 6.071e-03 1794 <2e-16 *** m$residuals -3.534e-16 2.175e-03 -1.62e-13 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.07655 on 157 degrees of freedom Multiple R-squared: 2.915e-28, Adjusted R-squared: -0.006369 F-statistic: 4.577e-26 on 1 and 157 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/5m1xx1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -6.9379 -2.0101 -0.5608 2.1177 9.4946 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.01690 0.22223 -0.076 0.939 Residuals 0.09604 0.08019 1.198 0.233 Residual standard error: 2.793 on 156 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.009113, Adjusted R-squared: 0.002761 F-statistic: 1.435 on 1 and 156 DF, p-value: 0.2328 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6m1xx1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7esei1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > if (par1 > 0) + { + densityplot(~m$residuals,col='black',main=paste('Density Plot bw = ',par1),bw=par1) + } else { + densityplot(~m$residuals,col='black',main='Density Plot') + } > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/8esei1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9esei1289921163.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10mbbc1289921163.tab") > > try(system("convert tmp/189ho1289921163.ps tmp/189ho1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/289ho1289921163.ps tmp/289ho1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/3i0gr1289921163.ps tmp/3i0gr1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/4trfc1289921163.ps tmp/4trfc1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/5m1xx1289921163.ps tmp/5m1xx1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/6m1xx1289921163.ps tmp/6m1xx1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/7esei1289921163.ps tmp/7esei1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/8esei1289921163.ps tmp/8esei1289921163.png",intern=TRUE)) character(0) > try(system("convert tmp/9esei1289921163.ps tmp/9esei1289921163.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.813 1.364 2.378