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Type 'q()' to quit R. > y <- c(7,5,5,5,5,6,4,5,7,5,2,5,5,6,6,5,3,6,5,5,3,5,1,5,4,6,6,4,4,5,4,5,6,3,5,5,3,5,7,6,4,5,5,6,7,3,4,6,5,2,4,4,5,4,6,2,4,6,4,5,6,4,6,6,5,6,6,4,6,3,5,5,5,6,6,4,4,5,6,3,6,2,5,3,4,6,5,4,5,5,4,7,4,6,4,4,6,3,4,7,5,5,6,5,5,4,5,6,5,5,4,4,5,5,6,5,3,5,3,4,4,5,2,5,7,6,6,5,4,6,3,7,3,4,6,5,6,4,6,6,4,5,3,6,5,6,5,6,5,6,5,5,6,5,6,5,4,4,4,5,4,5) > x <- c(7,5,6,4,5,6,7,6,6,6,5,5,4,6,6,5,3,7,3,5,3,5,2,6,3,6,6,5,5,7,6,5,5,4,4,6,5,5,7,5,5,6,5,6,7,5,5,5,6,2,4,4,6,3,6,6,5,6,1,5,7,4,5,6,4,6,6,5,5,3,5,6,5,6,6,4,4,6,7,4,5,6,6,5,3,7,6,4,4,5,3,7,6,6,4,5,6,5,6,6,4,5,6,5,5,4,4,6,5,6,5,6,5,4,6,4,5,5,6,3,5,4,5,5,7,5,7,5,4,6,4,4,4,4,6,6,5,3,6,5,4,5,2,5,7,4,4,7,6,5,5,5,7,6,6,5,2,4,6,5,5,5) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -3.3321 -0.3321 0.2035 0.6679 2.7390 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.11869 0.34167 6.201 4.59e-09 *** x 0.53557 0.06549 8.178 8.42e-14 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.9888 on 160 degrees of freedom Multiple R-squared: 0.2948, Adjusted R-squared: 0.2904 F-statistic: 66.87 on 1 and 160 DF, p-value: 8.419e-14 > postscript(file="/var/www/html/rcomp/tmp/1y30u1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2qc0f1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -3.078e-14 -1.372e-15 -1.176e-16 1.930e-16 9.576e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.119e+00 2.773e-15 7.639e+14 <2e-16 *** x 5.356e-01 5.316e-16 1.007e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 8.027e-15 on 160 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.015e+30 on 1 and 160 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/314zi1289745231.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 -3.3321 -0.3321 0.2035 0.6679 2.7390 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.635e-16 3.417e-01 1.65e-15 1 x -9.375e-17 6.549e-02 -1.43e-15 1 Residual standard error: 0.9888 on 160 degrees of freedom Multiple R-squared: 2.033e-32, Adjusted R-squared: -0.00625 F-statistic: 3.253e-30 on 1 and 160 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/414zi1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -2.18525 -0.57855 -0.04298 0.49259 1.02816 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.840e+00 5.023e-02 96.36 <2e-16 *** m$residuals 6.624e-16 5.111e-02 1.30e-14 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.6393 on 160 degrees of freedom Multiple R-squared: 1.319e-28, Adjusted R-squared: -0.00625 F-statistic: 2.111e-26 on 1 and 160 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/5uvy31289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -3.2568 -0.4062 0.1603 0.7031 2.6175 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.007162 0.077441 -0.092 0.926 Residuals -0.102083 0.078572 -1.299 0.196 Residual standard error: 0.9826 on 159 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.0105, Adjusted R-squared: 0.004282 F-statistic: 1.688 on 1 and 159 DF, p-value: 0.1957 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/64mxo1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/74mxo1289745231.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/8fdfr1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9fdfr1289745231.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10tnc01289745231.tab") > > try(system("convert tmp/1y30u1289745231.ps tmp/1y30u1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/2qc0f1289745231.ps tmp/2qc0f1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/314zi1289745231.ps tmp/314zi1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/414zi1289745231.ps tmp/414zi1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/5uvy31289745231.ps tmp/5uvy31289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/64mxo1289745231.ps tmp/64mxo1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/74mxo1289745231.ps tmp/74mxo1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/8fdfr1289745231.ps tmp/8fdfr1289745231.png",intern=TRUE)) character(0) > try(system("convert tmp/9fdfr1289745231.ps tmp/9fdfr1289745231.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.910 1.462 3.452