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Type 'q()' to quit R. > y <- c(12117,11597,12291,12461,13469,13448,13896,13846,13159,13682,13083,13507,12545,12076,13181,13395,14108,14017,14464,14139,13393,13979,13538,13752,12729,12308,13663,13660,14367,14737,15155,15616,14738,14872,14551,15020,13884,13224,14771,14645,15960,16223,16073,16233,15210,15173,14696,15202,14492,14176,15634,16043,17448,16975,17055,17286,15987,16682,16243,16580) > x <- c(26862,28261,31761,32624,32950,34711,34124,31860,32404,33027,28944,29702,29144,29715,35710,37324,37687,39071,38986,37702,36444,36423,35266,35461,33073,35721,44670,43461,42998,45039,41555,43850,42253,42036,39552,38572,36862,37883,47264,43698,48335,50368,45633,48708,44588,44021,41601,39761,40848,45488,51253,49495,53348,50286,50191,50596,46689,49249,43597,41862) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) > library(lattice) > z <- as.data.frame(cbind(x,y)) > m <- lm(y~x) > summary(m) Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -1642.15 -457.58 41.03 479.11 1795.56 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 7.022e+03 5.220e+02 13.45 <2e-16 *** x 1.854e-01 1.286e-02 14.41 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 673.2 on 58 degrees of freedom Multiple R-squared: 0.7818, Adjusted R-squared: 0.778 F-statistic: 207.8 on 1 and 58 DF, p-value: < 2.2e-16 > postscript(file="/var/wessaorg/rcomp/tmp/1wj961324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(z,main='Scatterplot, lowess, and regression line') > lines(lowess(z),col='red') > abline(m) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/2ufz11324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m2 <- lm(m$fitted.values ~ x) > summary(m2) Call: lm(formula = m$fitted.values ~ x) Residuals: Min 1Q Median 3Q Max -7.109e-12 -2.779e-13 1.515e-13 5.909e-13 1.244e-12 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 7.022e+03 8.791e-13 7.987e+15 <2e-16 *** x 1.854e-01 2.167e-17 8.559e+15 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1.134e-12 on 58 degrees of freedom Multiple R-squared: 1, Adjusted R-squared: 1 F-statistic: 7.326e+31 on 1 and 58 DF, p-value: < 2.2e-16 > z2 <- as.data.frame(cbind(x,m$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/3r8gu1324312037.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 -1642.15 -457.58 41.03 479.11 1795.56 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 8.165e-14 5.220e+02 0 1 x -2.391e-18 1.286e-02 0 1 Residual standard error: 673.2 on 58 degrees of freedom Multiple R-squared: 7.908e-34, Adjusted R-squared: -0.01724 F-statistic: 4.587e-32 on 1 and 58 DF, p-value: 1 > z3 <- as.data.frame(cbind(x,m$residuals)) > names(z3) <- list('x','Residuals') > plot(z3,main='Scatterplot, lowess, and regression line') > lines(lowess(z3),col='red') > abline(m3) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/434s11324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > m4 <- lm(m$fitted.values ~ m$residuals) > summary(m4) Call: lm(formula = m$fitted.values ~ m$residuals) Residuals: Min 1Q Median 3Q Max -2438.06 -905.35 -65.45 881.36 2473.50 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.444e+04 1.645e+02 87.78 <2e-16 *** m$residuals -5.823e-17 2.485e-01 0.00 1 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 1274 on 58 degrees of freedom Multiple R-squared: 8.327e-30, Adjusted R-squared: -0.01724 F-statistic: 4.829e-28 on 1 and 58 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/5dupm1324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myr <- as.ts(m$residuals) > z5 <- as.data.frame(cbind(lag(myr,1),myr)) > names(z5) <- list('Lagged Residuals','Residuals') > plot(z5,main='Lag plot') > m5 <- lm(z5) > summary(m5) Call: lm(formula = z5) Residuals: Min 1Q Median 3Q Max -1227.6 -330.1 -22.7 397.3 987.9 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 19.1731 67.3207 0.285 0.777 Residuals 0.6936 0.1077 6.441 2.7e-08 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 516.5 on 57 degrees of freedom (2 observations deleted due to missingness) Multiple R-squared: 0.4213, Adjusted R-squared: 0.4111 F-statistic: 41.49 on 1 and 57 DF, p-value: 2.697e-08 > abline(m5) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/6489m1324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(m$residuals,main='Residual Histogram',xlab='Residuals') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/7ab0t1324312037.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/87h831324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(m$residuals,main='Residual Autocorrelation Function') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/91hav1324312037.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(x) > qqline(x) > grid() > dev.off() null device 1 > > #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/wessaorg/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Simple Linear Regression',5,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Statistics',1,TRUE) > a<-table.element(a,'Estimate',1,TRUE) > a<-table.element(a,'S.D.',1,TRUE) > a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) > a<-table.element(a,'P-value (two-sided)',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'constant term',header=TRUE) > a<-table.element(a,m$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/10w9xo1324312037.tab") > > try(system("convert tmp/1wj961324312037.ps tmp/1wj961324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/2ufz11324312037.ps tmp/2ufz11324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/3r8gu1324312037.ps tmp/3r8gu1324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/434s11324312037.ps tmp/434s11324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/5dupm1324312037.ps tmp/5dupm1324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/6489m1324312037.ps tmp/6489m1324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/7ab0t1324312037.ps tmp/7ab0t1324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/87h831324312037.ps tmp/87h831324312037.png",intern=TRUE)) character(0) > try(system("convert tmp/91hav1324312037.ps tmp/91hav1324312037.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 2.389 0.493 2.914