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Data X:
8.7 7.7 8.3 7.7 6.3 9.7 8.3 7.0 7.3 8.3 8.0 6.0 7.3 5.0 7.3 9.3 6.7 4.0 8.0 6.7 7.0 6.7 7.0 7.7 9.3 8.0 8.0 8.0 7.7 7.7 9.7 8.0 6.0 8.3 7.0 8.7 7.3 7.3 7.3 7.7 10.0 7.7 5.7 7.7 7.7 8.3 8.0 8.0 7.7 7.0 8.0 8.0 9.3 5.3 6.7 9.7 9.0 7.3 9.3 5.3 8.3 8.0 9.3 8.0 7.7 10.0 8.0 7.0 8.3 8.3 7.3 7.7 8.7 7.7 8.3 7.0 8.3 8.0 9.7 7.3 9.0 8.7 7.3 8.0 9.0 8.0 8.0 9.7 7.3 7.0 8.0 8.0 7.7 6.7 9.0 8.7 8.3 7.0 7.0 6.3 7.0 7.0 5.3 7.3 9.7 5.0 5.7 5.0 7.0 7.0 6.3 8.0 6.7 5.7 7.7 8.0 4.7 6.3 8.0 4.3 7.3 5.3 6.3 8.3 8.3 7.7 8.0 8.7 8.7 8.3 6.0 7.0 8.7 7.7 7.7 7.3 6.7 4.3 8.0 5.0 4.7 7.3 3.3 8.0 7.3 8.0 6.3 6.7 4.3 6.7 7.3 8.0 9.7 4.0 6.7 7.0 8.0 7.3 6.7
Data Y:
7 5.5 3 6 4 5 5 5.5 8 5.5 6.5 6 4 6 5.5 2 4.5 4 4 7 7.5 8 4.5 7 5.5 4 4.5 4.5 4.5 4.5 5 8 5.5 4 4.5 8 5.5 8 6 6 7 4.5 5 4.5 5 6 7 7 5 7 8 4.5 5 3 4 6.5 5 4 3.5 7.5 4.5 5 6 6.5 5 5.5 4 4.5 6.5 5.5 4 4.5 4.5 7.5 4.5 5 7 6 6 5.5 7 3 6 4 7 5.5 5 7 6 5 7 2.5 5.5 5 4.5 5 8 6.5 4.5 5 5 3.5 4.5 4 7 7 4 4.5 7 7 4 4 4 3.5 3 4 3 5.5 7 5.5 5.5 5.5 7 4 10 5.5 4 5.5 5 7 5.5 4.5 4.5 4 5 6.5 6.5 6 4 6.5 7 6 7 7.5 6.5 8 4.5 4.5 4.5 4 3.5 8 5.5 4.5 5.5 4.5 7 6.5 8
Sample Range:
(leave blank to include all observations)
From:
To:
bandwidth of density plot
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Chart options
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Label x-axis:
R Code
par1 <- as.numeric(par1) library(lattice) z <- as.data.frame(cbind(x,y)) m <- lm(y~x) summary(m) bitmap(file='test1.png') plot(z,main='Scatterplot, lowess, and regression line') lines(lowess(z),col='red') abline(m) grid() dev.off() bitmap(file='test2.png') m2 <- lm(m$fitted.values ~ x) summary(m2) z2 <- as.data.frame(cbind(x,m$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() bitmap(file='test3.png') m3 <- lm(m$residuals ~ x) summary(m3) z3 <- as.data.frame(cbind(x,m$residuals)) names(z3) <- list('x','Residuals') plot(z3,main='Scatterplot, lowess, and regression line') lines(lowess(z3),col='red') abline(m3) grid() dev.off() bitmap(file='test4.png') m4 <- lm(m$fitted.values ~ m$residuals) summary(m4) 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() bitmap(file='test5.png') myr <- as.ts(m$residuals) z5 <- as.data.frame(cbind(lag(myr,1),myr)) names(z5) <- list('Lagged Residuals','Residuals') plot(z5,main='Lag plot') m5 <- lm(z5) summary(m5) abline(m5) grid() dev.off() bitmap(file='test6.png') hist(m$residuals,main='Residual Histogram',xlab='Residuals') dev.off() bitmap(file='test7.png') 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() bitmap(file='test8.png') acf(m$residuals,main='Residual Autocorrelation Function') dev.off() bitmap(file='test9.png') qqnorm(x) qqline(x) grid() dev.off() load(file='createtable') a<-table.start() a<-table.row.start(a) a<-table.element(a,'Simple Linear Regression',5,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'Statistics',1,TRUE) a<-table.element(a,'Estimate',1,TRUE) a<-table.element(a,'S.D.',1,TRUE) a<-table.element(a,'T-STAT (H0: coeff=0)',1,TRUE) a<-table.element(a,'P-value (two-sided)',1,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'constant term',header=TRUE) a<-table.element(a,m$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='mytable.tab')
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