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Type 'q()' to quit R. > y <- c(10,20,40,67,38,61,29,30,0,10,39,70,65,77,29,60,45,50,31,91,56,20,65,60,27,47,60,10,60,90,15,65,5,72,70,80,70,40,20,75,30,40,20,82,50,87,26,61,67,24,70,80,10,70,50,82,38,70,76,70,90,70,70,13,35,10,66,30,0,35,80,70,55,74,40,50,63,60,35,25,40,40,56,18,60,52,61,50,0,71,39,80,71,55,80,40,72,40,70,100,93,25,40,68,80,25,91,79,70,76,65,64,70,80,65,82,48,60,60,65,65,60,38,70,75,67,90,71,68,80,18,65,30,76,71,70,0,78,49,40,80,90,62,71,80,80,67,35) > x <- c(69,53,43,60,62,45,50,75,82,60,59,21,40,62,54,47,59,37,43,48,79,62,16,38,58,60,72,67,55,47,59,49,47,57,39,49,26,53,75,65,49,48,45,31,67,61,49,69,54,80,57,34,69,44,70,51,62,18,74,59,48,55,44,56,65,77,46,70,39,55,44,45,45,25,49,65,45,71,48,41,40,64,56,52,41,45,45,54,40,40,51,48,38,57,51,46,58,67,72,26,54,53,69,64,47,43,66,62,52,64,55,74,32,38,66,31,26,64,28,65,48,44,64,50,52,60,70,66,61,31,61,34,62,47,52,37,46,61,70,63,46,40,30,35,51,56,60,58) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -61.094 -16.471 2.899 17.086 43.712 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 79.7202 7.6526 10.42 < 2e-16 *** x -0.4776 0.1413 -3.38 0.00093 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 23.07 on 146 degrees of freedom Multiple R-squared: 0.07256, Adjusted R-squared: 0.06621 F-statistic: 11.42 on 1 and 146 DF, p-value: 0.0009306 > postscript(file="/var/www/html/rcomp/tmp/1g18k1289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/29ap51289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -6.324e-13 -1.410e-16 3.922e-15 8.180e-15 2.570e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 7.972e+01 1.755e-14 4.542e+15 <2e-16 *** x -4.776e-01 3.241e-16 -1.474e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 5.29e-14 on 146 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 2.171e+30 on 1 and 146 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/39ap51289934220.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 -61.094 -16.471 2.899 17.086 43.712 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.542e-15 7.653e+00 5.93e-16 1 x -1.088e-16 1.413e-01 -7.70e-16 1 Residual standard error: 23.07 on 146 degrees of freedom Multiple R-squared: 9.571e-33, Adjusted R-squared: -0.006849 F-statistic: 1.397e-30 on 1 and 146 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/42ko81289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -14.10542 -4.55336 -0.01614 3.68529 17.41636 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.466e+01 5.303e-01 103.1 <2e-16 *** m$residuals 3.328e-16 2.315e-02 1.44e-14 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 6.452 on 146 degrees of freedom Multiple R-squared: 8.992e-29, Adjusted R-squared: -0.006849 F-statistic: 1.313e-26 on 1 and 146 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/5vt5b1289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -60.645 -16.250 3.283 16.455 44.431 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.24376 1.88932 0.129 0.898 Residuals 0.05478 0.08234 0.665 0.507 Residual standard error: 22.91 on 145 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.003043, Adjusted R-squared: -0.003832 F-statistic: 0.4426 on 1 and 145 DF, p-value: 0.5069 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6nk5w1289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7nk5w1289934220.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/8gb4y1289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9gb4y1289934220.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10c32p1289934220.tab") > > try(system("convert tmp/1g18k1289934220.ps tmp/1g18k1289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/29ap51289934220.ps tmp/29ap51289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/39ap51289934220.ps tmp/39ap51289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/42ko81289934220.ps tmp/42ko81289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/5vt5b1289934220.ps tmp/5vt5b1289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/6nk5w1289934220.ps tmp/6nk5w1289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/7nk5w1289934220.ps tmp/7nk5w1289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/8gb4y1289934220.ps tmp/8gb4y1289934220.png",intern=TRUE)) character(0) > try(system("convert tmp/9gb4y1289934220.ps tmp/9gb4y1289934220.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.882 1.426 2.380