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Type 'q()' to quit R. > y <- c(2,2,2,1,3,2,3,1,1,2,3,1,1,2,1,2,3,3,1,4,1,2,1,2,3,1,2,3,2,2,1,3,1,2,3,1,4,2,1,1,1,3,1,2,1,2,1,1,3,2,1,1,2,2,2,1,1,1,3,2,3,1,1,1,2,2,2,3,1,1,2,2,1,2,2,2,2,2,3,1,1,1,1,1,1,4,2,2,1,4,4,3,3,2,3,3,3,2,1,1,1,3,2,4,4,3,2,1,1,4,1,2,2,4,2,1,2,1,1,3,1,3,3,1,2,2,1,3,2,3,2,4,1,3,1,3,2,2,3,3,3,2,4,2,1,1,2,3,2,4,3,4,2,3,2,2,3,4,2,1,3,1) > x <- c(1,1,1,1,2,1,4,1,1,2,1,1,2,1,1,1,1,1,1,2,1,2,1,2,1,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,1,1,1,2,1,1,2,1,1,1,1,1,2,1,1,2,1,1,1,1,1,3,2,2,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,2,1,2,2,3,2,2,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,2,2,1,1,1,1,4,1,2,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,3,1,1,1,1,1,2,1) > par20 = '' > par19 = '' > par18 = '' > par17 = '' > par16 = '' > par15 = '' > par14 = '' > par13 = '' > par12 = '' > par11 = '' > par10 = '' > par9 = '' > par8 = '' > par7 = '' > par6 = '' > par5 = '' > par4 = '' > par3 = '' > par2 = '' > par1 = '0' > ylab = '' > xlab = '' > main = '' > #'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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -1.32922 -0.95351 0.04649 1.04649 2.04649 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.5778 0.1813 8.705 3.71e-15 *** x 0.3757 0.1302 2.886 0.00444 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.9393 on 160 degrees of freedom Multiple R-squared: 0.04948, Adjusted R-squared: 0.04354 F-statistic: 8.328 on 1 and 160 DF, p-value: 0.004442 > postscript(file="/var/www/rcomp/tmp/1k1pb1289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/2da6d1289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -3.524e-16 -1.303e-16 9.171e-17 9.171e-17 1.964e-15 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.578e+00 3.886e-17 4.061e+16 <2e-16 *** x 3.757e-01 2.791e-17 1.346e+16 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.013e-16 on 160 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.812e+32 on 1 and 160 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/rcomp/tmp/3o1oy1289973747.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 -1.32922 -0.95351 0.04649 1.04649 2.04649 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -3.252e-17 1.813e-01 -1.79e-16 1 x 6.813e-18 1.302e-01 5.23e-17 1 Residual standard error: 0.9393 on 160 degrees of freedom Multiple R-squared: 9.873e-34, Adjusted R-squared: -0.00625 F-statistic: 1.58e-31 on 1 and 160 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/4htn11289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -0.1020 -0.1020 -0.1020 -0.1020 1.0251 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.056e+00 1.684e-02 122.1 <2e-16 *** m$residuals -4.996e-17 1.804e-02 -2.77e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.2143 on 160 degrees of freedom Multiple R-squared: 2.684e-30, Adjusted R-squared: -0.00625 F-statistic: 4.295e-28 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/rcomp/tmp/5htn11289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -1.3875299 -0.9096117 -0.0005195 0.9711041 2.0903883 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.000558 0.074181 -0.008 0.994 Residuals 0.045454 0.079481 0.572 0.568 Residual standard error: 0.9412 on 159 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.002053, Adjusted R-squared: -0.004224 F-statistic: 0.3271 on 1 and 159 DF, p-value: 0.5682 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/62bm71289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/72bm71289973747.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/rcomp/tmp/82bm71289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/92bm71289973747.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/rcomp/tmp/10gl1g1289973747.tab") > > try(system("convert tmp/1k1pb1289973747.ps tmp/1k1pb1289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/2da6d1289973747.ps tmp/2da6d1289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/3o1oy1289973747.ps tmp/3o1oy1289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/4htn11289973747.ps tmp/4htn11289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/5htn11289973747.ps tmp/5htn11289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/62bm71289973747.ps tmp/62bm71289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/72bm71289973747.ps tmp/72bm71289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/82bm71289973747.ps tmp/82bm71289973747.png",intern=TRUE)) character(0) > try(system("convert tmp/92bm71289973747.ps tmp/92bm71289973747.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 3.020 0.790 3.797