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Type 'q()' to quit R. > y <- c(17203.6,19542.1,17332.7,17962.5,18664.9,15878.6,16014.6,16867.9,16014,16793.9,16127.6,13557.7,14238.2,15465.9,13881,14346.9,15668.8,14521.1,15071.8,15816.8,17180.4,20432.3,21289.5,18203.6,20159.5,21053.2,19673.6,21473.3,20244.7,19049.6,20194.3,18021.9,19537.3,20286.6,17967.7,16409.9,17802.7,18509.9,18161.3,16721.3,19106.9,16772.1,17463.6,16162.3,17862.9,17664.9,17180.8,15672.7,15189.8,17699.4,17444.6,15930.7,19691.6,16698,16896.2) > x <- c(17681.2,19858.9,16997.5,16969.9,18908.9,15692.1,15160,15806.8,16007.1,16059.1,16189.4,12522.5,14733.8,15686.3,13779.7,14423.8,15290.6,14308.3,13855.6,14384.5,15638.6,19711.6,20359.8,16141.4,20056.9,20605.5,19325.8,20547.7,19211.2,19009.5,18746.8,16471.5,18957.2,20515.2,18374.4,16192.9,18147.5,19301.4,18344.7,17183.6,19630,17167.2,17428.5,16016.5,18466.5,18406.6,18174.1,14851.9,16260.7,18329.6,18003.8,15903.8,19554.2,16554.2,16198.9) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -1388.4 -538.3 -167.2 470.9 1734.1 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.765e+03 8.213e+02 2.15 0.0362 * x 9.110e-01 4.732e-02 19.25 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 702.2 on 53 degrees of freedom Multiple R-squared: 0.8749, Adjusted R-squared: 0.8725 F-statistic: 370.5 on 1 and 53 DF, p-value: < 2.2e-16 > postscript(file="/var/www/html/rcomp/tmp/1lqgr1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2eixu1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -2.509e-12 -8.848e-13 -3.195e-13 2.679e-13 1.605e-11 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.765e+03 2.931e-12 6.023e+14 <2e-16 *** x 9.110e-01 1.689e-16 5.393e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.506e-12 on 53 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 2.909e+31 on 1 and 53 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/36rwf1289471484.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 -1388.4 -538.3 -167.2 470.9 1734.1 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.00000 821.27422 0 1 x 0.00000 0.04732 0 1 Residual standard error: 702.2 on 53 degrees of freedom Multiple R-squared: 0, Adjusted R-squared: -0.01887 F-statistic: 0 on 1 and 53 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/46rwf1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -4295.86 -1259.84 -64.76 1543.85 3067.37 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.747e+04 2.503e+02 69.78 <2e-16 *** m$residuals -6.227e-16 3.632e-01 -1.71e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1857 on 53 degrees of freedom Multiple R-squared: 7.825e-30, Adjusted R-squared: -0.01887 F-statistic: 4.147e-28 on 1 and 53 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/5h0v01289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -1600.602 -452.275 -5.556 456.561 1352.349 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 15.9812 81.5366 0.196 0.845 Residuals 0.5193 0.1175 4.419 5.07e-05 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 599.1 on 52 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.273, Adjusted R-squared: 0.259 F-statistic: 19.52 on 1 and 52 DF, p-value: 5.066e-05 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6rrdl1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7rrdl1289471484.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/821uo1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/921uo1289471484.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10ybax1289471484.tab") > > try(system("convert tmp/1lqgr1289471484.ps tmp/1lqgr1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/2eixu1289471484.ps tmp/2eixu1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/36rwf1289471484.ps tmp/36rwf1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/46rwf1289471484.ps tmp/46rwf1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/5h0v01289471484.ps tmp/5h0v01289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/6rrdl1289471484.ps tmp/6rrdl1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/7rrdl1289471484.ps tmp/7rrdl1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/821uo1289471484.ps tmp/821uo1289471484.png",intern=TRUE)) character(0) > try(system("convert tmp/921uo1289471484.ps tmp/921uo1289471484.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.802 1.340 2.271