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Type 'q()' to quit R. > y <- c(6,4,4,4,4.5,3.5,2,5.5,3.5,3.5,6,5,5,4,4,2,4.5,4,3.5,5.5,4.5,5.5,6.5,4,4,4.5,3,4.5,4.5,3,3,8,2.5,3.5,4.5,3,3,2.5,6,3.5,5,4.5,4,2.5,4,4,5,3,4,3.5,2,4,4,2,10,4,4,3,2,4,4.5,3,3.5,4.5,2.5,2.5,4,4,3,4,3.5,3.5,4.5,5.5,3,4,3,4.5,4,3,5,4,4,5,2.5,3.5,2.5,4,7,3.5,4,3,2.5,3,5,6,4.5,6,3.5,4,5,3,5,5,5,2.5,3.5,5,5.5,3,3.5,6,5.5,5.5,5.5,2.5,4,3,4.5,2,2,3.5,5.5,3,3.5,4,2,4,4.5,4,5.5,4,2.5,2,4,5,3,4.5,4.5,6.5,4.5,5,10,2.5,5.5,3,4.5,3.5,4.5,5,4.5,4,3.5,3,6.5,3,4,5,8) > x <- c(5.5,3.5,8.5,5,6,6,5.5,5.5,6,6.5,7,8,5.5,5,5.5,7.5,4.5,5.5,8.5,8.5,5.5,9,7,5,5.5,7.5,7.5,6.5,8,6.5,4.5,9,9,6,8.5,4.5,4.5,6,9,6,9,7,7.5,8,5,5.5,7,4.5,6,8.5,2.5,6,6,3,12,6,6,7,3.5,6.5,6,6.5,7,4,5.5,4.5,5.5,6.5,5,5.5,6,4.5,7.5,9,7.5,6,6.5,7,5,6.5,6.5,5.5,6.5,8,4,8,5.5,4.5,8,6,7,4,4.5,7.5,5.5,10.5,7,9,6,6.5,7.5,6,9.5,7.5,5.5,5.5,5,6.5,7.5,6,6,8,4.5,9,4,6.5,8.5,4.5,7.5,4,3.5,6,7,3,4,8.5,5,5.5,7,5.5,6.5,6,5.5,4.5,6,10,6,6.5,6,6,4.5,7.5,12,3.5,8.5,5.5,8.5,5.5,6,7,5.5,8,10.5,7,10,6.5,5.5,7.5,9.5) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -2.81211 -0.69780 0.08612 0.55220 3.28966 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.11742 0.33585 3.327 0.00109 ** x 0.46608 0.05048 9.233 < 2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.093 on 157 degrees of freedom Multiple R-squared: 0.3519, Adjusted R-squared: 0.3478 F-statistic: 85.25 on 1 and 157 DF, p-value: < 2.2e-16 > postscript(file="/var/www/html/rcomp/tmp/1cs7n1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2cs7n1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -9.708e-14 3.358e-16 7.066e-16 7.641e-16 1.557e-15 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.117e+00 2.391e-15 4.673e+14 <2e-16 *** x 4.661e-01 3.594e-16 1.297e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 7.784e-15 on 157 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.681e+30 on 1 and 157 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3m1oq1289953317.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 -2.81211 -0.69780 0.08612 0.55220 3.28966 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.887e-16 3.358e-01 5.62e-16 1 x -5.127e-17 5.048e-02 -1.02e-15 1 Residual standard error: 1.093 on 157 degrees of freedom Multiple R-squared: 2.081e-32, Adjusted R-squared: -0.006369 F-statistic: 3.267e-30 on 1 and 157 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4faot1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -1.8306 -0.4324 -0.1993 0.4998 2.5971 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.113e+00 6.388e-02 64.39 <2e-16 *** m$residuals -1.167e-15 5.881e-02 -1.98e-14 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.8055 on 157 degrees of freedom Multiple R-squared: 1.042e-29, Adjusted R-squared: -0.006369 F-statistic: 1.635e-27 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/58jnw1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -2.79531 -0.69150 0.08276 0.56580 3.30465 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.014690 0.085983 -0.171 0.865 Residuals -0.000783 0.080208 -0.010 0.992 Residual standard error: 1.081 on 156 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 6.109e-07, Adjusted R-squared: -0.00641 F-statistic: 9.529e-05 on 1 and 156 DF, p-value: 0.9922 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/68jnw1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/71smz1289953317.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/81smz1289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9bk321289953317.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/107b1s1289953317.tab") > try(system("convert tmp/1cs7n1289953317.ps tmp/1cs7n1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/2cs7n1289953317.ps tmp/2cs7n1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/3m1oq1289953317.ps tmp/3m1oq1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/4faot1289953317.ps tmp/4faot1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/58jnw1289953317.ps tmp/58jnw1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/68jnw1289953317.ps tmp/68jnw1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/71smz1289953317.ps tmp/71smz1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/81smz1289953317.ps tmp/81smz1289953317.png",intern=TRUE)) character(0) > try(system("convert tmp/9bk321289953317.ps tmp/9bk321289953317.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.921 1.449 4.294