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Data X:
149 18 68 7.5 139 31 39 6 148 39 32 6.5 158 46 62 1 128 31 33 1 224 67 52 5.5 159 35 62 8.5 105 52 77 6.5 159 77 76 4.5 167 37 41 2 165 32 48 5 159 36 63 0.5 119 38 30 5 176 69 78 5 54 21 19 2.5 91 26 31 5 163 54 66 5.5 124 36 35 3.5 137 42 42 3 121 23 45 4 153 34 21 0.5 148 112 25 6.5 221 35 44 4.5 188 47 69 7.5 149 47 54 5.5 244 37 74 4 148 109 80 7.5 92 24 42 7 150 20 61 4 153 22 41 5.5 94 23 46 2.5 156 32 39 5.5 132 30 34 3.5 161 92 51 2.5 105 43 42 4.5 97 55 31 4.5 151 16 39 4.5 131 49 20 6 166 71 49 2.5 157 43 53 5 111 29 31 0 145 56 39 5 162 46 54 6.5 163 19 49 5 59 23 34 6 187 59 46 4.5 109 30 55 5.5 90 61 42 1 105 7 50 7.5 83 38 13 6 116 32 37 5 42 16 25 1 148 19 30 5 155 22 28 6.5 125 48 45 7 116 23 35 4.5 128 26 28 0 138 33 41 8.5 49 9 6 3.5 96 24 45 7.5 164 34 73 3.5 162 48 17 6 99 18 40 1.5 202 43 64 9 186 33 37 3.5 66 28 25 3.5 183 71 65 4 214 26 100 6.5 188 67 28 7.5 104 34 35 6 177 80 56 5 126 29 29 5.5 76 16 43 3.5 99 59 59 7.5 139 32 50 6.5 162 43 59 6.5 108 38 27 6.5 159 29 61 7 74 36 28 3.5 110 32 51 1.5 96 35 35 4 116 21 29 7.5 87 29 48 4.5 97 12 25 0 127 37 44 3.5 106 37 64 5.5 80 47 32 5 74 51 20 4.5 91 32 28 2.5 133 21 34 7.5 74 13 31 7 114 14 26 0 140 -2 58 4.5 95 20 23 3 98 24 21 1.5 121 11 21 3.5 126 23 33 2.5 98 24 16 5.5 95 14 20 8 110 52 37 1 70 15 35 5 102 23 33 4.5 86 19 27 3 130 35 41 3 96 24 40 8 102 39 35 2.5 100 29 28 7 94 13 32 0 52 8 22 1 98 18 44 3.5 118 24 27 5.5 99 19 17 5.5 48 23 12 0.5 50 16 45 7.5 150 33 37 9 154 32 37 9.5 109 37 108 8.5 68 14 10 7 194 52 68 8 158 75 72 10 159 72 143 7 67 15 9 8.5 147 29 55 9 39 13 17 9.5 100 40 37 4 111 19 27 6 138 24 37 8 101 121 58 5.5 131 93 66 9.5 101 36 21 7.5 114 23 19 7 165 85 78 7.5 114 41 35 8 111 46 48 7 75 18 27 7 82 35 43 6 121 17 30 10 32 4 25 2.5 150 28 69 9 117 44 72 8 71 10 23 6 165 38 13 8.5 154 57 61 6 126 23 43 9 149 36 51 8 145 22 67 9 120 40 36 5.5 109 31 44 7 132 11 45 5.5 172 38 34 9 169 24 36 2 114 37 72 8.5 156 37 39 9 172 22 43 8.5 68 15 25 9 89 2 56 7.5 167 43 80 10 113 31 40 9 115 29 73 7.5 78 45 34 6 118 25 72 10.5 87 4 42 8.5 173 31 61 8 2 -4 23 10 162 66 74 10.5 49 61 16 6.5 122 32 66 9.5 96 31 9 8.5 100 39 41 7.5 82 19 57 5 100 31 48 8 115 36 51 10 141 42 53 7 165 21 29 7.5 165 21 29 7.5 110 25 55 9.5 118 32 54 6 158 26 43 10 146 28 51 7 49 32 20 3 90 41 79 6 121 29 39 7 155 33 61 10 104 17 55 7 147 13 30 3.5 110 32 55 8 108 30 22 10 113 34 37 5.5 115 59 2 6 61 13 38 6.5 60 23 27 6.5 109 10 56 8.5 68 5 25 4 111 31 39 9.5 77 19 33 8 73 32 43 8.5 151 30 57 5.5 89 25 43 7 78 48 23 9 110 35 44 8 220 67 54 10 65 15 28 8 141 22 36 6 117 18 39 8 122 33 16 5 63 46 23 9 44 24 40 4.5 52 14 24 8.5 131 12 78 9.5 101 38 57 8.5 42 12 37 7.5 152 28 27 7.5 107 41 61 5 77 12 27 7 154 31 69 8 103 33 34 5.5 96 34 44 8.5 175 21 34 9.5 57 20 39 7 112 44 51 8 143 52 34 8.5 49 7 31 3.5 110 29 13 6.5 131 11 12 6.5 167 26 51 10.5 56 24 24 8.5 137 7 19 8 86 60 30 10 121 13 81 10 149 20 42 9.5 168 52 22 9 140 28 85 10 88 25 27 7.5 168 39 25 4.5 94 9 22 4.5 51 19 19 0.5 48 13 14 6.5 145 60 45 4.5 66 19 45 5.5 85 34 28 5 109 14 51 6 63 17 41 4 102 45 31 8 162 66 74 10.5 86 48 19 6.5 114 29 51 8 164 -2 73 8.5 119 51 24 5.5 126 2 61 7 132 24 23 5 142 40 14 3.5 83 20 54 5 94 19 51 9 81 16 62 8.5 166 20 36 5 110 40 59 9.5 64 27 24 3 93 25 26 1.5 104 49 54 6 105 39 39 0.5 49 61 16 6.5 88 19 36 7.5 95 67 31 4.5 102 45 31 8 99 30 42 9 63 8 39 7.5 76 19 25 8.5 109 52 31 7 117 22 38 9.5 57 17 31 6.5 120 33 17 9.5 73 34 22 6 91 22 55 8 108 30 62 9.5 105 25 51 8 117 38 30 8 119 26 49 9 31 13 16 5
Names of X columns:
LFM PRH CH Ex
Sample Range:
(leave blank to include all observations)
From:
To:
Column Number of Endogenous Series
(?)
Fixed Seasonal Effects
Do not include Seasonal Dummies
Do not include Seasonal Dummies
Include Seasonal Dummies
Type of Equation
No Linear Trend
No Linear Trend
Linear Trend
First Differences
Seasonal Differences (s)
First and Seasonal Differences (s)
Degree of Predetermination (lagged endogenous variables)
Degree of Seasonal Predetermination
Seasonality
12
1
2
3
4
5
6
7
8
9
10
11
12
Chart options
R Code
library(lattice) library(lmtest) n25 <- 25 #minimum number of obs. for Goldfeld-Quandt test par1 <- as.numeric(par1) x <- t(y) k <- length(x[1,]) n <- length(x[,1]) x1 <- cbind(x[,par1], x[,1:k!=par1]) mycolnames <- c(colnames(x)[par1], colnames(x)[1:k!=par1]) colnames(x1) <- mycolnames #colnames(x)[par1] x <- x1 if (par3 == 'First Differences'){ x2 <- array(0, dim=c(n-1,k), dimnames=list(1:(n-1), paste('(1-B)',colnames(x),sep=''))) for (i in 1:n-1) { for (j in 1:k) { x2[i,j] <- x[i+1,j] - x[i,j] } } x <- x2 } if (par2 == 'Include Monthly Dummies'){ x2 <- array(0, dim=c(n,11), dimnames=list(1:n, paste('M', seq(1:11), sep =''))) for (i in 1:11){ x2[seq(i,n,12),i] <- 1 } x <- cbind(x, x2) } if (par2 == 'Include Quarterly Dummies'){ x2 <- array(0, dim=c(n,3), dimnames=list(1:n, paste('Q', seq(1:3), sep =''))) for (i in 1:3){ x2[seq(i,n,4),i] <- 1 } x <- cbind(x, x2) } k <- length(x[1,]) if (par3 == 'Linear Trend'){ x <- cbind(x, c(1:n)) colnames(x)[k+1] <- 't' } x k <- length(x[1,]) df <- as.data.frame(x) (mylm <- lm(df)) (mysum <- summary(mylm)) if (n > n25) { kp3 <- k + 3 nmkm3 <- n - k - 3 gqarr <- array(NA, dim=c(nmkm3-kp3+1,3)) numgqtests <- 0 numsignificant1 <- 0 numsignificant5 <- 0 numsignificant10 <- 0 for (mypoint in kp3:nmkm3) { j <- 0 numgqtests <- numgqtests + 1 for (myalt in c('greater', 'two.sided', 'less')) { j <- j + 1 gqarr[mypoint-kp3+1,j] <- gqtest(mylm, point=mypoint, alternative=myalt)$p.value } if (gqarr[mypoint-kp3+1,2] < 0.01) numsignificant1 <- numsignificant1 + 1 if (gqarr[mypoint-kp3+1,2] < 0.05) numsignificant5 <- numsignificant5 + 1 if (gqarr[mypoint-kp3+1,2] < 0.10) numsignificant10 <- numsignificant10 + 1 } gqarr } bitmap(file='test0.png') plot(x[,1], type='l', main='Actuals and Interpolation', ylab='value of Actuals and Interpolation (dots)', xlab='time or index') points(x[,1]-mysum$resid) grid() dev.off() bitmap(file='test1.png') plot(mysum$resid, type='b', pch=19, main='Residuals', ylab='value of Residuals', xlab='time or index') grid() dev.off() bitmap(file='test2.png') hist(mysum$resid, main='Residual Histogram', xlab='values of Residuals') grid() dev.off() bitmap(file='test3.png') densityplot(~mysum$resid,col='black',main='Residual Density Plot', xlab='values of Residuals') dev.off() bitmap(file='test4.png') qqnorm(mysum$resid, main='Residual Normal Q-Q Plot') qqline(mysum$resid) grid() dev.off() (myerror <- as.ts(mysum$resid)) bitmap(file='test5.png') dum <- cbind(lag(myerror,k=1),myerror) dum dum1 <- dum[2:length(myerror),] dum1 z <- as.data.frame(dum1) z plot(z,main=paste('Residual Lag plot, lowess, and regression line'), ylab='values of Residuals', xlab='lagged values of Residuals') lines(lowess(z)) abline(lm(z)) grid() dev.off() bitmap(file='test6.png') acf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Autocorrelation Function') grid() dev.off() bitmap(file='test7.png') pacf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Partial Autocorrelation Function') grid() dev.off() bitmap(file='test8.png') opar <- par(mfrow = c(2,2), oma = c(0, 0, 1.1, 0)) plot(mylm, las = 1, sub='Residual Diagnostics') par(opar) dev.off() if (n > n25) { bitmap(file='test9.png') plot(kp3:nmkm3,gqarr[,2], main='Goldfeld-Quandt test',ylab='2-sided p-value',xlab='breakpoint') grid() dev.off() } load(file='createtable') a<-table.start() a<-table.row.start(a) a<-table.element(a, 'Multiple Linear Regression - Estimated Regression Equation', 1, TRUE) a<-table.row.end(a) myeq <- colnames(x)[1] myeq <- paste(myeq, '[t] = ', sep='') for (i in 1:k){ if (mysum$coefficients[i,1] > 0) myeq <- paste(myeq, '+', '') myeq <- paste(myeq, signif(mysum$coefficients[i,1],6), sep=' ') if (rownames(mysum$coefficients)[i] != '(Intercept)') { myeq <- paste(myeq, rownames(mysum$coefficients)[i], sep='') if (rownames(mysum$coefficients)[i] != 't') myeq <- paste(myeq, '[t]', sep='') } } myeq <- paste(myeq, ' + e[t]') a<-table.row.start(a) a<-table.element(a, myeq) a<-table.row.end(a) a<-table.end(a) table.save(a,file='mytable1.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a,hyperlink('http://www.xycoon.com/ols1.htm','Multiple Linear Regression - Ordinary Least Squares',''), 6, TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'Variable',header=TRUE) a<-table.element(a,'Parameter',header=TRUE) a<-table.element(a,'S.D.',header=TRUE) a<-table.element(a,'T-STAT<br />H0: parameter = 0',header=TRUE) a<-table.element(a,'2-tail p-value',header=TRUE) a<-table.element(a,'1-tail p-value',header=TRUE) a<-table.row.end(a) for (i in 1:k){ a<-table.row.start(a) a<-table.element(a,rownames(mysum$coefficients)[i],header=TRUE) a<-table.element(a,signif(mysum$coefficients[i,1],6)) a<-table.element(a, signif(mysum$coefficients[i,2],6)) a<-table.element(a, signif(mysum$coefficients[i,3],4)) a<-table.element(a, signif(mysum$coefficients[i,4],6)) a<-table.element(a, signif(mysum$coefficients[i,4]/2,6)) a<-table.row.end(a) } a<-table.end(a) table.save(a,file='mytable2.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a, 'Multiple Linear Regression - Regression Statistics', 2, TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Multiple R',1,TRUE) a<-table.element(a, signif(sqrt(mysum$r.squared),6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'R-squared',1,TRUE) a<-table.element(a, signif(mysum$r.squared,6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Adjusted R-squared',1,TRUE) a<-table.element(a, signif(mysum$adj.r.squared,6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'F-TEST (value)',1,TRUE) a<-table.element(a, signif(mysum$fstatistic[1],6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'F-TEST (DF numerator)',1,TRUE) a<-table.element(a, signif(mysum$fstatistic[2],6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'F-TEST (DF denominator)',1,TRUE) a<-table.element(a, signif(mysum$fstatistic[3],6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'p-value',1,TRUE) a<-table.element(a, signif(1-pf(mysum$fstatistic[1],mysum$fstatistic[2],mysum$fstatistic[3]),6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Multiple Linear Regression - Residual Statistics', 2, TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Residual Standard Deviation',1,TRUE) a<-table.element(a, signif(mysum$sigma,6)) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Sum Squared Residuals',1,TRUE) a<-table.element(a, signif(sum(myerror*myerror),6)) a<-table.row.end(a) a<-table.end(a) table.save(a,file='mytable3.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a, 'Multiple Linear Regression - Actuals, Interpolation, and Residuals', 4, TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a, 'Time or Index', 1, TRUE) a<-table.element(a, 'Actuals', 1, TRUE) a<-table.element(a, 'Interpolation<br />Forecast', 1, TRUE) a<-table.element(a, 'Residuals<br />Prediction Error', 1, TRUE) a<-table.row.end(a) for (i in 1:n) { a<-table.row.start(a) a<-table.element(a,i, 1, TRUE) a<-table.element(a,signif(x[i],6)) a<-table.element(a,signif(x[i]-mysum$resid[i],6)) a<-table.element(a,signif(mysum$resid[i],6)) a<-table.row.end(a) } a<-table.end(a) table.save(a,file='mytable4.tab') if (n > n25) { a<-table.start() a<-table.row.start(a) a<-table.element(a,'Goldfeld-Quandt test for Heteroskedasticity',4,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'p-values',header=TRUE) a<-table.element(a,'Alternative Hypothesis',3,header=TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'breakpoint index',header=TRUE) a<-table.element(a,'greater',header=TRUE) a<-table.element(a,'2-sided',header=TRUE) a<-table.element(a,'less',header=TRUE) a<-table.row.end(a) for (mypoint in kp3:nmkm3) { a<-table.row.start(a) a<-table.element(a,mypoint,header=TRUE) a<-table.element(a,signif(gqarr[mypoint-kp3+1,1],6)) a<-table.element(a,signif(gqarr[mypoint-kp3+1,2],6)) a<-table.element(a,signif(gqarr[mypoint-kp3+1,3],6)) a<-table.row.end(a) } a<-table.end(a) table.save(a,file='mytable5.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a,'Meta Analysis of Goldfeld-Quandt test for Heteroskedasticity',4,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'Description',header=TRUE) a<-table.element(a,'# significant tests',header=TRUE) a<-table.element(a,'% significant tests',header=TRUE) a<-table.element(a,'OK/NOK',header=TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'1% type I error level',header=TRUE) a<-table.element(a,signif(numsignificant1,6)) a<-table.element(a,signif(numsignificant1/numgqtests,6)) if (numsignificant1/numgqtests < 0.01) dum <- 'OK' else dum <- 'NOK' a<-table.element(a,dum) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'5% type I error level',header=TRUE) a<-table.element(a,signif(numsignificant5,6)) a<-table.element(a,signif(numsignificant5/numgqtests,6)) if (numsignificant5/numgqtests < 0.05) dum <- 'OK' else dum <- 'NOK' a<-table.element(a,dum) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'10% type I error level',header=TRUE) a<-table.element(a,signif(numsignificant10,6)) a<-table.element(a,signif(numsignificant10/numgqtests,6)) if (numsignificant10/numgqtests < 0.1) dum <- 'OK' else dum <- 'NOK' a<-table.element(a,dum) a<-table.row.end(a) a<-table.end(a) table.save(a,file='mytable6.tab') }
Compute
Summary of computational transaction
Raw Input
view raw input (R code)
Raw Output
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Computing time
1 seconds
R Server
Big Analytics Cloud Computing Center
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