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Type 'q()' to quit R. > y <- c(3,3,4,4,3,4,4,4,4,2,2,4,4,2,2,3,2,4,3,2,2,4,3,4,4,3,3,3,4,4,4,3,4,3,2,4,3,2,4,4,4,4,2,2,3,4,5,2,3,4,4,4,2,2,5,3,2,4,1,4,2,4,4,4,2,4,2,4,4,1,4,4,3,3,3,3,3,3,4,1,3,4,3,3,4,3,2,3,4,3,4,3,4,4,3,2,1,2,2,3,4,4,3,3,1,3,3,4,2,2,3,3,3,4,4,4,4,2,3,4,3,4,2,4,4,3,4,3,3,1,4,4,2,3,4,3,4,2,5,3,4,3,4,2,3,3,2,4,4,3,4,2,4,4,3) > x <- c(3,3,4,3,3,3,3,2,3,3,3,3,3,2,3,3,2,3,2,1,2,3,3,3,3,3,2,3,3,4,3,3,3,3,2,3,3,3,3,4,3,3,1,2,3,4,4,2,1,3,3,1,3,2,3,3,2,4,1,3,2,4,3,4,3,3,3,3,3,1,3,3,3,2,3,3,3,2,3,2,2,3,3,2,2,3,2,3,4,2,3,2,4,3,3,3,3,2,3,4,4,4,3,3,1,4,1,3,2,2,3,3,2,3,3,4,4,3,3,3,3,3,1,2,4,3,4,3,2,1,4,3,3,3,4,3,3,1,4,2,2,3,3,2,3,3,2,3,4,4,4,2,3,3,3) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -2.313014 -0.313014 0.003082 0.686986 2.054795 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.26130 0.22089 5.710 5.70e-08 *** x 0.68390 0.07584 9.018 7.44e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.736 on 153 degrees of freedom Multiple R-squared: 0.3471, Adjusted R-squared: 0.3428 F-statistic: 81.33 on 1 and 153 DF, p-value: 7.435e-16 > postscript(file="/var/www/html/rcomp/tmp/19bdi1289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2kku31289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -7.834e-14 3.831e-16 4.810e-16 4.810e-16 8.998e-15 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.261e+00 1.918e-15 6.575e+14 <2e-16 *** x 6.839e-01 6.586e-16 1.038e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 6.392e-15 on 153 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.078e+30 on 1 and 153 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3ccb51289951510.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 -2.313014 -0.313014 0.003082 0.686986 2.054795 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 9.096e-17 2.209e-01 4.12e-16 1 x -2.288e-17 7.584e-02 -3.02e-16 1 Residual standard error: 0.736 on 153 degrees of freedom Multiple R-squared: 1.582e-33, Adjusted R-squared: -0.006536 F-statistic: 2.42e-31 on 1 and 153 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4ccb51289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -1.2354 -0.5515 0.1324 0.1324 0.8163 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.181e+00 4.310e-02 73.8 <2e-16 *** m$residuals 2.729e-16 5.894e-02 4.63e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.5366 on 153 degrees of freedom Multiple R-squared: 1.546e-29, Adjusted R-squared: -0.006536 F-statistic: 2.365e-27 on 1 and 153 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/5nlt91289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -2.292506 -0.335578 0.001032 0.677277 2.041022 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.001998 0.059462 0.034 0.973 Residuals 0.017140 0.081099 0.211 0.833 Residual standard error: 0.7379 on 152 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.0002938, Adjusted R-squared: -0.006283 F-statistic: 0.04467 on 1 and 152 DF, p-value: 0.8329 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6yusb1289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7yusb1289951510.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/8r39w1289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9r39w1289951510.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10nv7n1289951510.tab") > > try(system("convert tmp/19bdi1289951510.ps tmp/19bdi1289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/2kku31289951510.ps tmp/2kku31289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/3ccb51289951510.ps tmp/3ccb51289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/4ccb51289951510.ps tmp/4ccb51289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/5nlt91289951510.ps tmp/5nlt91289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/6yusb1289951510.ps tmp/6yusb1289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/7yusb1289951510.ps tmp/7yusb1289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/8r39w1289951510.ps tmp/8r39w1289951510.png",intern=TRUE)) character(0) > try(system("convert tmp/9r39w1289951510.ps tmp/9r39w1289951510.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.871 1.421 4.451