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Type 'q()' to quit R. > y <- c(6.9,7.1,8.6,5.4,6.3,6.3,7.1,6.6,4.9,6.0,5.4,5.4,4.3,4.6,6.6,7.7,6.3,4.0,6.3,6.6,6.6,6.0,5.4,5.1,5.7,6.6,7.1,5.4,6.9,6.3,7.1,7.4,8.3,9.1,7.1,8.3,8.0,4.9,8.0,8.3,7.4,7.1,4.0,7.1,7.4,5.7,5.1,9.1,7.1,7.1,6.6,6.0,5.7,4.3,8.6,6.9,7.4,6.9,6.3,4.0,6.9,6.9,6.9,6.9,5.4,8.9,6.3,7.7,5.4,7.1,5.7,6.0,7.7,6.6,7.1,5.7,6.0,6.3,6.6,7.1,7.1,4.9,5.4,7.1,5.4,5.7,7.4,6.6,7.7,4.9,4.9,5.4,4.9,6.3,6.0,9.1,6.0,6.0,5.1,5.1,6.6,5.4,5.7,6.0,5.7,4.9,5.1,5.4,6.3,4.3,4.0,5.1,6.9,10.0,8.3,6.0,7.1,5.7,6.3,3.7,7.4,4.9,7.1,5.7,5.4,6.0,6.3,6.9,6.0,7.4,6.9,4.6,6.6,5.1,4.6,7.4,5.4,6.0,6.0,6.3,6.6,8.3,6.0,6.0,6.6,7.7,7.1,6.0,2.9,5.7,7.4,6.9,8.3,5.4,6.9,5.4,6.9,6.3,4.9) > x <- c(8.7,7.7,8.3,7.7,6.3,9.7,8.3,7.0,7.3,8.3,8.0,6.0,7.3,5.0,7.3,9.3,6.7,4.0,8.0,6.7,7.0,6.7,7.0,7.7,9.3,8.0,8.0,8.0,7.7,7.7,9.7,8.0,6.0,8.3,7.0,8.7,7.3,7.3,7.3,7.7,10.0,7.7,5.7,7.7,7.7,8.3,8.0,8.0,7.7,7.0,8.0,8.0,9.3,5.3,6.7,9.7,9.0,7.3,9.3,5.3,8.3,8.0,9.3,8.0,7.7,10.0,8.0,7.0,8.3,8.3,7.3,7.7,8.7,7.7,8.3,7.0,8.3,8.0,9.7,7.3,9.0,8.7,7.3,8.0,9.0,8.0,8.0,9.7,7.3,7.0,8.0,8.0,7.7,6.7,9.0,8.7,8.3,7.0,7.0,6.3,7.0,7.0,5.3,7.3,9.7,5.0,5.7,5.0,7.0,7.0,6.3,8.0,6.7,5.7,7.7,8.0,4.7,6.3,8.0,4.3,7.3,5.3,6.3,8.3,8.3,7.7,8.0,8.7,8.7,8.3,6.0,7.0,8.7,7.7,7.7,7.3,6.7,4.3,8.0,5.0,4.7,7.3,3.3,8.0,7.3,8.0,6.3,6.7,4.3,6.7,7.3,8.0,9.7,4.0,6.7,7.0,8.0,7.3,6.7) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -2.4016 -0.8198 -0.0834 0.6946 4.2424 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.90073 0.51968 7.506 4.28e-12 *** x 0.32577 0.06877 4.737 4.82e-06 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.128 on 157 degrees of freedom Multiple R-squared: 0.1251, Adjusted R-squared: 0.1195 F-statistic: 22.44 on 1 and 157 DF, p-value: 4.817e-06 > postscript(file="/var/www/html/rcomp/tmp/1xmrw1289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2xmrw1289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -1.386e-13 4.433e-16 9.380e-16 1.591e-15 6.892e-15 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.901e+00 5.135e-15 7.597e+14 <2e-16 *** x 3.258e-01 6.795e-16 4.794e+14 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.115e-14 on 157 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 2.299e+29 on 1 and 157 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/38dqy1289936921.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 -2.4016 -0.8198 -0.0834 0.6946 4.2424 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -8.321e-18 5.197e-01 -1.60e-17 1 x 1.354e-17 6.877e-02 1.97e-16 1 Residual standard error: 1.128 on 157 degrees of freedom Multiple R-squared: 1.924e-32, Adjusted R-squared: -0.006369 F-statistic: 3.02e-30 on 1 and 157 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4057j1289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -1.35001 -0.14465 0.08339 0.22999 0.83266 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 6.326e+00 3.382e-02 187.0 <2e-16 *** m$residuals -1.168e-16 3.017e-02 -3.87e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.4265 on 157 degrees of freedom Multiple R-squared: 3.207e-28, Adjusted R-squared: -0.006369 F-statistic: 5.035e-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/5be641289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -2.38815 -0.85406 -0.03962 0.72465 4.13339 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.002063 0.089193 -0.023 0.9816 Residuals 0.135982 0.079601 1.708 0.0896 . --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.121 on 156 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.01836, Adjusted R-squared: 0.01207 F-statistic: 2.918 on 1 and 156 DF, p-value: 0.08957 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6be641289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/74n671289936921.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/84n671289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/94n671289936921.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10bol11289936921.tab") > > try(system("convert tmp/1xmrw1289936921.ps tmp/1xmrw1289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/2xmrw1289936921.ps tmp/2xmrw1289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/38dqy1289936921.ps tmp/38dqy1289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/4057j1289936921.ps tmp/4057j1289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/5be641289936921.ps tmp/5be641289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/6be641289936921.ps tmp/6be641289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/74n671289936921.ps tmp/74n671289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/84n671289936921.ps tmp/84n671289936921.png",intern=TRUE)) character(0) > try(system("convert tmp/94n671289936921.ps tmp/94n671289936921.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.889 1.427 2.469