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Type 'q()' to quit R. > y <- c(8,3,6,9,8,5,7,7,6,0,8,5,3,3,4,5,7,4,5,0,3,6,0,2,4,3,5,9,5,4,3,7,3,4,6,5,1,10,7,3,8,6,7,6,5,6,3,2,5,3,3,4,8,3,6,5,6,5,2,2,3,10,3,5,5,1,2,2,2,8,2,0,3,5,6,4,3,1,1,1,6,6,5,10,11,7,4,9,3,4,1,10,5,3,0,10,1,3,4,11,0,4,7,6,2,1,3,3,9,6,2,3,3,4,3,7,5,5,3,2,2,6,9,4,8,3,3,5,1,5,3,0,1,0,2,0,3,0,1,3,2,3,0,3,0,0,1,3,1,0,0,4,2,0,0,0) > x <- c(10,9,12,12,9,11,12,11,12,12,11,11,12,6,13,11,12,10,11,12,12,12,11,12,12,12,6,5,12,14,12,9,11,11,11,12,10,12,11,12,9,15,11,11,15,12,9,12,9,11,12,11,6,10,12,13,11,10,11,7,11,11,7,12,14,11,12,11,12,12,12,12,15,11,13,10,12,13,14,11,11,7,11,12,12,10,12,8,7,11,11,11,9,12,13,9,11,12,9,12,12,12,14,11,12,8,12,12,12,11,11,12,10,13,8,12,11,10,13,10,10,7,10,8,12,12,12,11,13,12,8,11,12,13,12,10,12,10,13,11,12,12,10,11,11,11,8,11,12,11,12,12,12,8,12,11) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -4.4504 -1.8575 -0.5798 1.9943 7.1425 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.6361 1.3940 4.043 8.31e-05 *** x -0.1482 0.1247 -1.189 0.236 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.748 on 154 degrees of freedom Multiple R-squared: 0.00909, Adjusted R-squared: 0.002656 F-statistic: 1.413 on 1 and 154 DF, p-value: 0.2364 > postscript(file="/var/www/html/rcomp/tmp/1q3ii1291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2q3ii1291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -2.892e-15 -8.318e-16 -3.634e-16 -8.932e-17 7.080e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.636e+00 2.912e-15 1.935e+15 <2e-16 *** x -1.482e-01 2.605e-16 -5.689e+14 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 5.742e-15 on 154 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 3.237e+29 on 1 and 154 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3t3z51291923612.ps",horizontal=F,onefile=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 -4.4504 -1.8575 -0.5798 1.9943 7.1425 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -1.383e-15 1.394e+00 -9.92e-16 1 x 7.052e-17 1.247e-01 5.66e-16 1 Residual standard error: 2.748 on 154 degrees of freedom Multiple R-squared: 1.93e-32, Adjusted R-squared: -0.006494 F-statistic: 2.972e-30 on 1 and 154 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4t3z51291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -0.587173 -0.142518 0.005701 0.153919 0.895012 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.000e+00 2.108e-02 189.8 <2e-16 *** m$residuals 2.376e-16 7.718e-03 3.08e-14 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.2632 on 154 degrees of freedom Multiple R-squared: 1.017e-28, Adjusted R-squared: -0.006494 F-statistic: 1.566e-26 on 1 and 154 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/54uy81291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -5.2934 -1.9157 -0.2674 1.4554 7.2347 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.03012 0.21539 -0.140 0.8890 Residuals 0.20526 0.07917 2.593 0.0104 * --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.681 on 153 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.04208, Adjusted R-squared: 0.03582 F-statistic: 6.722 on 1 and 153 DF, p-value: 0.01045 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6flxt1291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7flxt1291923612.ps",horizontal=F,onefile=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/8pdxw1291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9pdxw1291923612.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/1035c51291923612.tab") > > try(system("convert tmp/1q3ii1291923612.ps tmp/1q3ii1291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/2q3ii1291923612.ps tmp/2q3ii1291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/3t3z51291923612.ps tmp/3t3z51291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/4t3z51291923612.ps tmp/4t3z51291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/54uy81291923612.ps tmp/54uy81291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/6flxt1291923612.ps tmp/6flxt1291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/7flxt1291923612.ps tmp/7flxt1291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/8pdxw1291923612.ps tmp/8pdxw1291923612.png",intern=TRUE)) character(0) > try(system("convert tmp/9pdxw1291923612.ps tmp/9pdxw1291923612.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.917 1.551 7.781