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Type 'q()' to quit R. > y <- c(1,1,1,1,2,1,4,1,1,2,1,1,2,1,1,1,1,1,1,2,1,2,1,2,1,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,1,1,2,1,1,2,1,1,1,1,1,2,1,1,2,1,1,1,1,1,3,2,2,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,2,1,2,2,3,2,2,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,2,2,1,1,1,1,4,1,2,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,3,1,1,1,1,1,2,1) > x <- c(2,2,2,1,3,2,3,1,1,2,3,1,1,2,1,2,3,3,1,4,1,2,1,2,3,1,2,3,2,2,1,3,1,2,3,1,4,2,1,1,1,3,1,2,1,2,1,1,3,2,1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,2,3,1,1,2,2,1,2,2,2,2,2,3,1,1,1,1,1,1,4,2,2,1,4,4,3,3,2,3,3,3,2,1,1,1,3,2,4,4,3,2,1,1,4,1,2,2,4,2,1,2,1,1,3,1,3,3,1,2,2,1,3,2,3,2,4,1,3,1,3,2,2,3,3,3,2,4,2,1,1,2,3,2,4,3,4,2,3,2,2,3,4,2,1,3,1) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -0.5266 -0.2652 -0.1344 -0.1344 2.7348 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.00371 0.10443 9.611 < 2e-16 *** x 0.13073 0.04594 2.846 0.00502 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.5577 on 159 degrees of freedom Multiple R-squared: 0.04846, Adjusted R-squared: 0.04248 F-statistic: 8.098 on 1 and 159 DF, p-value: 0.005016 > postscript(file="/var/www/html/rcomp/tmp/1rdfe1289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/214xz1289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -3.123e-16 -1.382e-16 -6.763e-17 9.797e-18 1.122e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.004e+00 1.756e-16 5.715e+15 <2e-16 *** x 1.307e-01 7.725e-17 1.692e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 9.379e-16 on 159 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 2.864e+30 on 1 and 159 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/314xz1289848826.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 -0.5266 -0.2652 -0.1344 -0.1344 2.7348 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -7.713e-17 1.044e-01 -7.39e-16 1 x 4.801e-17 4.594e-02 1.05e-15 1 Residual standard error: 0.5577 on 159 degrees of freedom Multiple R-squared: 3.38e-33, Adjusted R-squared: -0.006289 F-statistic: 5.374e-31 on 1 and 159 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4uvw21289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -0.13885 -0.13885 -0.00812 0.12261 0.25334 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.273e+00 9.919e-03 128.4 <2e-16 *** m$residuals -8.782e-17 1.790e-02 -4.91e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.1259 on 159 degrees of freedom Multiple R-squared: 1.889e-29, Adjusted R-squared: -0.006289 F-statistic: 3.003e-27 on 1 and 159 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/555v51289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -0.5309 -0.2681 -0.1372 -0.1354 2.7339 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.001656 0.044199 0.037 0.970 Residuals 0.001754 0.079513 0.022 0.982 Residual standard error: 0.5591 on 158 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 3.078e-06, Adjusted R-squared: -0.006326 F-statistic: 0.0004864 on 1 and 158 DF, p-value: 0.9824 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6fecq1289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7fecq1289848826.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/8q5ut1289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9q5ut1289848826.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10aihq1289848826.tab") > > try(system("convert tmp/1rdfe1289848826.ps tmp/1rdfe1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/214xz1289848826.ps tmp/214xz1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/314xz1289848826.ps tmp/314xz1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/4uvw21289848826.ps tmp/4uvw21289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/555v51289848826.ps tmp/555v51289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/6fecq1289848826.ps tmp/6fecq1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/7fecq1289848826.ps tmp/7fecq1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/8q5ut1289848826.ps tmp/8q5ut1289848826.png",intern=TRUE)) character(0) > try(system("convert tmp/9q5ut1289848826.ps tmp/9q5ut1289848826.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.871 1.406 2.506