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Type 'q()' to quit R. > y <- c(1,2,2,2,2,2,2,3,4,2,3,4,4,2,1,1,3,2,3,4,4,4,4,4,2,3,2,4,3,2,3,4,4,5,3,3,4,2,4,2,3,2,2,2,3,3,2,4,4,4,3,1,4,2,3,4,4,2,1,2,2,4,3,2,2,4,4,2,1,2,4,3,4,2,4,1,2,4,4,4,3,2,2,4,3,4,3,1,2,3,4,1,3,3,2,4,4,4,3,2,3,1,3,2,4,3,4,3,3,2,2,4,3,4,1,2,4,2,2,4,5,2,4,2,2,2,2,3,2,4,3,2,2,1,2,4,2,2,4,2,4,5,2,4,3,4,3,2,2,4,3,4,5,3,1,3,4,4,4) > x <- c(2,1,4,2,2,2,2,2,1,4,2,3,2,2,1,3,1,2,4,4,3,2,3,2,2,3,3,2,4,2,2,3,5,2,3,1,2,2,4,2,4,3,2,4,2,2,2,2,2,3,1,2,2,1,5,2,2,2,1,2,2,2,4,2,1,2,2,2,1,2,2,2,3,3,2,2,3,2,2,2,2,2,1,3,2,4,2,1,4,3,2,3,2,3,2,5,3,4,2,2,2,3,4,3,2,2,3,2,2,2,2,3,2,4,1,2,4,2,2,1,1,3,3,1,1,3,1,2,3,2,2,2,2,2,2,4,2,2,3,2,2,4,4,1,3,2,4,2,1,2,2,3,5,2,4,2,2,3,4) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -2.3067 -0.7652 0.2348 0.9640 2.5055 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.2238 0.2178 10.208 <2e-16 *** x 0.2707 0.0843 3.212 0.0016 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.012 on 157 degrees of freedom Multiple R-squared: 0.06165, Adjusted R-squared: 0.05567 F-statistic: 10.32 on 1 and 157 DF, p-value: 0.001601 > postscript(file="/var/www/html/rcomp/tmp/1xjth1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2xjth1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -4.710e-14 1.069e-16 3.913e-16 5.648e-16 8.354e-16 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.224e+00 8.195e-16 2.714e+15 <2e-16 *** x 2.707e-01 3.171e-16 8.538e+14 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 3.808e-15 on 157 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 7.29e+29 on 1 and 157 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/37ttk1289982477.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 -2.3067 -0.7652 0.2348 0.9640 2.5055 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -4.407e-16 2.179e-01 -2.02e-15 1 x 1.248e-16 8.430e-02 1.48e-15 1 Residual standard error: 1.012 on 157 degrees of freedom Multiple R-squared: 3.179e-32, Adjusted R-squared: -0.006369 F-statistic: 4.991e-30 on 1 and 157 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4iksn1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -0.3797 -0.1090 -0.1090 0.1618 0.7032 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.874e+00 2.058e-02 139.7 <2e-16 *** m$residuals 5.908e-16 2.046e-02 2.89e-14 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.2595 on 157 degrees of freedom Multiple R-squared: 1.056e-28, Adjusted R-squared: -0.006369 F-statistic: 1.658e-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/5tt9q1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -2.3326 -0.7870 0.1413 0.9381 2.4011 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.01144 0.07985 0.143 0.886 Residuals 0.06172 0.07925 0.779 0.437 Residual standard error: 1.004 on 156 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.003874, Adjusted R-squared: -0.002512 F-statistic: 0.6066 on 1 and 156 DF, p-value: 0.4372 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6tt9q1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/73kqt1289982477.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/83kqt1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/93kqt1289982477.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10a3nn1289982477.tab") > > try(system("convert tmp/1xjth1289982477.ps tmp/1xjth1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/2xjth1289982477.ps tmp/2xjth1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/37ttk1289982477.ps tmp/37ttk1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/4iksn1289982477.ps tmp/4iksn1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/5tt9q1289982477.ps tmp/5tt9q1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/6tt9q1289982477.ps tmp/6tt9q1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/73kqt1289982477.ps tmp/73kqt1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/83kqt1289982477.ps tmp/83kqt1289982477.png",intern=TRUE)) character(0) > try(system("convert tmp/93kqt1289982477.ps tmp/93kqt1289982477.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.908 1.431 4.952