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Type 'q()' to quit R. > y <- c(374.92,375.63,376.51,377.75,378.54,378.21,376.65,374.28,373.12,373.1,374.67,375.97,377.03,377.87,378.88,380.42,380.62,379.66,377.48,376.07,374.1,374.47,376.15,377.51,378.43,379.7,380.91,382.2,382.45,382.14,380.6,378.6,376.72,376.98,378.29,380.07,381.36,382.19,382.65,384.65,384.94,384.01,382.15,380.33,378.81,379.06,380.17,381.85,382.88,383.77,384.42,386.36,386.53,386.01,384.45,381.96,380.81,381.09,382.37,383.84,385.42,385.72,385.96,387.18,388.5,387.88,386.38,384.15,383.07,382.98,384.11,385.54,386.92,387.41,388.77,389.46,390.18,389.43,387.74,385.91,384.77,384.38,385.99,387.26) > x <- c(68897,38683,44720,39525,45315,50380,40600,36279,42438,38064,31879,11379,70249,39253,47060,41697,38708,49267,39018,32228,40870,39383,34571,12066,70938,34077,45409,40809,37013,44953,37848,32745,39401,34931,33008,8620,68906,39556,50669,36432,40891,48428,36222,33425,39401,37967,34801,12657,69116,41519,51321,38529,41547,52073,38401,40898,40439,41888,37898,8771,68184,50530,47221,41756,45633,48138,39486,39341,41117,41629,29722,7054,56676,34870,35117,30169,30936,35699,33228,27733,33666,35429,27438,8170) > par1 = '0' > 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 -8.5745 -3.2794 0.3908 3.2484 8.3579 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.825e+02 1.524e+00 251.026 <2e-16 *** x -2.071e-05 3.679e-05 -0.563 0.575 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 4.378 on 82 degrees of freedom Multiple R-squared: 0.00385, Adjusted R-squared: -0.008298 F-statistic: 0.3169 on 1 and 82 DF, p-value: 0.575 > postscript(file="/var/wessaorg/rcomp/tmp/18ilr1323687103.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/2c2p41323687103.ps",horizontal=F,onefile=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 -3.283e-14 -1.509e-14 2.650e-16 1.565e-14 7.501e-14 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.825e+02 6.718e-15 5.693e+16 <2e-16 *** x -2.071e-05 1.622e-19 -1.277e+14 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.931e-14 on 82 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 1.63e+28 on 1 and 82 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$fitted.values)) > names(z2) <- list('x','Fitted') > plot(z2,main='Scatterplot, lowess, and regression line') > lines(lowess(z2),col='red') > abline(m2) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/3vl7v1323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m3 <- lm(m$residuals ~ x) > summary(m3) Call: lm(formula = m$residuals ~ x) Residuals: Min 1Q Median 3Q Max -8.5745 -3.2794 0.3908 3.2484 8.3579 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -1.112e-18 1.524e+00 0 1 x 8.309e-22 3.679e-05 0 1 Residual standard error: 4.378 on 82 degrees of freedom Multiple R-squared: 0, Adjusted R-squared: -0.0122 F-statistic: 0 on 1 and 82 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$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/wessaorg/rcomp/tmp/48xb71323687103.ps",horizontal=F,onefile=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 -0.65486 -0.11303 -0.00085 0.09481 0.66833 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 3.816e+02 2.970e-02 12851 <2e-16 *** m$residuals -5.841e-16 6.865e-03 0 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.2722 on 82 degrees of freedom Multiple R-squared: 2.128e-27, Adjusted R-squared: -0.0122 F-statistic: 1.745e-25 on 1 and 82 DF, p-value: 1 > z4 <- as.data.frame(cbind(m$residuals,m$fitted.values)) > names(z4) <- list('Residuals','Fitted') > plot(z4,main='Scatterplot, lowess, and regression line') > lines(lowess(z4),col='red') > abline(m4) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/58j9b1323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$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 -2.8474 -0.9325 0.1995 0.9499 2.7609 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.1304 0.1459 0.894 0.374 Residuals 0.9482 0.0338 28.050 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.33 on 81 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.9067, Adjusted R-squared: 0.9055 F-statistic: 786.8 on 1 and 81 DF, p-value: < 2.2e-16 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/6bals1323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/7o5611323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > if (par1 > 0) + { + densityplot(~m$residuals,col='black',main=paste('Density Plot bw = ',par1),bw=par1) + } else { + densityplot(~m$residuals,col='black',main='Density Plot') + } > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/8s6b11323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/9pws21323687103.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/wessaorg/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/wessaorg/rcomp/tmp/10zh7u1323687103.tab") > > try(system("convert tmp/18ilr1323687103.ps tmp/18ilr1323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/2c2p41323687103.ps tmp/2c2p41323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/3vl7v1323687103.ps tmp/3vl7v1323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/48xb71323687103.ps tmp/48xb71323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/58j9b1323687103.ps tmp/58j9b1323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/6bals1323687103.ps tmp/6bals1323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/7o5611323687103.ps tmp/7o5611323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/8s6b11323687103.ps tmp/8s6b11323687103.png",intern=TRUE)) character(0) > try(system("convert tmp/9pws21323687103.ps tmp/9pws21323687103.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 2.539 0.455 3.001