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Type 'q()' to quit R. > y <- c(5,3,0,7,4,1,6,3,0,5,6,6,6,2,1,5,7,3,3,7,8,6,3,5,5,10,2,6,4,6,8,4,5,10,6,7,4,10,4,3,3,3,3,7,15,0,0,4,5,5,2,3,0,9,2,7,7,0,0,10,2,1,8,6,11,3,8,6,9,9,8,8,6,5,4,6,3,2,8,9,6,5,2,4,7,5,6,7,8,6,0,1,5,5,5,7,7,1,3,4,8,6,6,2,2,3,3,2,8,8,0,5,9,6,3,9,8,0,0,5,0,14,5,2,8,4,2,6,3,5,9,3,10,4,2,3,10,7,0,6,8,0,4,10,5) > x <- c(9,6,13,7,8,8,11,11,9,12,6,8,8,20,8,16,8,12,11,8,9,4,8,8,8,8,4,14,10,9,6,10,11,8,10,8,7,8,7,9,5,5,9,9,7,7,7,9,8,5,9,8,6,8,8,6,8,6,4,6,12,4,7,12,6,11,10,6,8,9,9,4,7,11,8,7,5,10,7,8,7,8,9,10,8,11,7,8,9,6,7,20,8,6,6,6,9,5,10,8,10,6,10,6,10,8,13,9,9,5,9,6,5,7,5,5,7,9,4,11,10,12,4,8,10,10,8,7,10,6,4,6,8,8,11,8,5,8,9,8,13,7,9,10,5) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -5.43177 -2.21083 0.01010 2.01010 9.89964 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.87363 0.82447 7.124 4.73e-11 *** x -0.11047 0.09548 -1.157 0.249 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 3.039 on 143 degrees of freedom Multiple R-squared: 0.009274, Adjusted R-squared: 0.002346 F-statistic: 1.339 on 1 and 143 DF, p-value: 0.2492 > postscript(file="/var/www/html/rcomp/tmp/1h1q51289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/2h1q51289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -1.656e-15 -4.527e-16 -1.941e-16 -3.072e-17 3.270e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 5.874e+00 7.501e-16 7.831e+15 <2e-16 *** x -1.105e-01 8.686e-17 -1.272e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 2.764e-15 on 143 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.617e+30 on 1 and 143 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3sbq81289909616.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 -5.43177 -2.21083 0.01010 2.01010 9.89964 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -5.672e-16 8.245e-01 -6.88e-16 1 x 5.581e-17 9.548e-02 5.85e-16 1 Residual standard error: 3.039 on 143 degrees of freedom Multiple R-squared: 7.248e-33, Adjusted R-squared: -0.006993 F-statistic: 1.036e-30 on 1 and 143 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/4k27t1289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -1.30123 -0.08609 0.02438 0.24531 0.46625 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.966e+00 2.442e-02 203.4 <2e-16 *** m$residuals 6.110e-18 8.091e-03 7.55e-16 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.294 on 143 degrees of freedom Multiple R-squared: 1.021e-28, Adjusted R-squared: -0.006993 F-statistic: 1.46e-26 on 1 and 143 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/5vb6w1289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -5.65764 -2.13700 -0.02369 2.04978 9.99260 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -0.0007403 0.2538779 -0.003 0.998 Residuals -0.0434890 0.0838416 -0.519 0.605 Residual standard error: 3.047 on 142 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.001891, Adjusted R-squared: -0.005138 F-statistic: 0.2691 on 1 and 142 DF, p-value: 0.6048 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/6vb6w1289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/7oloz1289909616.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/8oloz1289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/html/rcomp/tmp/9oloz1289909616.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10u4kt1289909616.tab") > > try(system("convert tmp/1h1q51289909616.ps tmp/1h1q51289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/2h1q51289909616.ps tmp/2h1q51289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/3sbq81289909616.ps tmp/3sbq81289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/4k27t1289909616.ps tmp/4k27t1289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/5vb6w1289909616.ps tmp/5vb6w1289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/6vb6w1289909616.ps tmp/6vb6w1289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/7oloz1289909616.ps tmp/7oloz1289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/8oloz1289909616.ps tmp/8oloz1289909616.png",intern=TRUE)) character(0) > try(system("convert tmp/9oloz1289909616.ps tmp/9oloz1289909616.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.834 1.382 2.758