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Type 'q()' to quit R. > y <- c(276444,289742,303725,298305,266795,259497,266148,271037,276239,279681,277509,271115,275902,287224,300713,293860,264221,256167,262572,263276,264291,263903,260376,255603,261076,270976,285257,280445,250741,243803,253158,255542,262522,268381,267153,266424,276427,286994,303598,296806,263290,264981,272566,276475,284678,291542,291413,295916,309119,327616) > x <- c(563668,586111,604378,600991,544686,537034,551531,563250,574761,580112,575093,557560,564478,580523,596594,586570,536214,523597,536535,536322,532638,528222,516141,501866,506174,517945,533590,528379,477580,469357,490243,492622,507561,516922,514258,509846,527070,541657,564591,555362,498662,511038,525919,531673,548854,560576,557274,565742,587625,619916) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -13882 -8672 932 6098 18997 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.504e+04 2.085e+04 2.16 0.0358 * x 4.252e-01 3.834e-02 11.09 7.7e-15 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 9224 on 48 degrees of freedom Multiple R-squared: 0.7193, Adjusted R-squared: 0.7134 F-statistic: 123 on 1 and 48 DF, p-value: 7.7e-15 > postscript(file="/var/www/rcomp/tmp/1l7ii1290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/2wgi31290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -8.476e-11 -9.106e-12 6.747e-13 1.290e-11 2.752e-11 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 4.504e+04 4.365e-11 1.032e+15 <2e-16 *** x 4.252e-01 8.025e-17 5.298e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.931e-11 on 48 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 2.807e+31 on 1 and 48 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3wgi31290713147.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 -13882 -8672 932 6098 18997 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 9.452e-13 2.085e+04 4.53e-17 1 x -2.420e-18 3.834e-02 -6.31e-17 1 Residual standard error: 9224 on 48 degrees of freedom Multiple R-squared: 3.231e-34, Adjusted R-squared: -0.02083 F-statistic: 1.551e-32 on 1 and 48 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/46qh61290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -31221 -10888 -2552 9259 32794 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.758e+05 2.088e+03 132.1 <2e-16 *** m$residuals 3.395e-16 2.310e-01 1.47e-15 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 14760 on 48 degrees of freedom Multiple R-squared: 0, Adjusted R-squared: -0.02083 F-statistic: 0 on 1 and 48 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/5zhyr1290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -9073 -1374 553 1695 7412 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 534.67122 552.18192 0.968 0.338 Residuals 0.94433 0.06335 14.907 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 3861 on 47 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.8254, Adjusted R-squared: 0.8217 F-statistic: 222.2 on 1 and 47 DF, p-value: < 2.2e-16 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/6a8xt1290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/7a8xt1290713147.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/8a8xt1290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/9khxe1290713147.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/www/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10hrdn1290713147.tab") > > try(system("convert tmp/1l7ii1290713147.ps tmp/1l7ii1290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/2wgi31290713147.ps tmp/2wgi31290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/3wgi31290713147.ps tmp/3wgi31290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/46qh61290713147.ps tmp/46qh61290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/5zhyr1290713147.ps tmp/5zhyr1290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/6a8xt1290713147.ps tmp/6a8xt1290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/7a8xt1290713147.ps tmp/7a8xt1290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/8a8xt1290713147.ps tmp/8a8xt1290713147.png",intern=TRUE)) character(0) > try(system("convert tmp/9khxe1290713147.ps tmp/9khxe1290713147.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 2.740 0.900 3.918