R version 2.8.0 (2008-10-20) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- array(list(109.99 + ,89 + ,103.88 + ,103.77 + ,112.01 + ,86.4 + ,103.91 + ,103.88 + ,111.96 + ,84.5 + ,103.91 + ,103.91 + ,111.41 + ,82.7 + ,103.92 + ,103.91 + ,112.11 + ,80.8 + ,104.05 + ,103.92 + ,111.67 + ,81.8 + ,104.23 + ,104.05 + ,111.95 + ,81.8 + ,104.30 + ,104.23 + ,112.31 + ,82.9 + ,104.31 + ,104.30 + ,113.26 + ,83.8 + ,104.31 + ,104.31 + ,113.5 + ,86.2 + ,104.34 + ,104.31 + ,114.43 + ,86.1 + ,104.55 + ,104.34 + ,115.02 + ,86.2 + ,104.65 + ,104.55 + ,115.1 + ,88.8 + ,104.73 + ,104.65 + ,117.11 + ,89.6 + ,104.75 + ,104.73 + ,117.52 + ,87.8 + ,104.75 + ,104.75 + ,116.1 + ,88.3 + ,104.76 + ,104.75 + ,116.39 + ,88.6 + ,104.94 + ,104.76 + ,116.01 + ,91 + ,105.29 + ,104.94 + ,116.74 + ,91.5 + ,105.38 + ,105.29 + ,116.68 + ,95.4 + ,105.43 + ,105.38 + ,117.45 + ,98.7 + ,105.43 + ,105.43 + ,117.8 + ,99.9 + ,105.42 + ,105.43 + ,119.37 + ,98.6 + ,105.52 + ,105.42 + ,118.9 + ,100.3 + ,105.69 + ,105.52 + ,119.05 + ,100.2 + ,105.72 + ,105.69 + ,120.46 + ,100.4 + ,105.74 + ,105.72 + ,120.99 + ,101.4 + ,105.74 + ,105.74 + ,119.86 + ,103 + ,105.74 + ,105.74 + ,120.18 + ,109.1 + ,105.95 + ,105.74 + ,119.81 + ,111.4 + ,106.17 + ,105.95 + ,120.15 + ,114.1 + ,106.34 + ,106.17 + ,119.8 + ,121.8 + ,106.37 + ,106.34 + ,120.27 + ,127.6 + ,106.37 + ,106.37 + ,120.71 + ,129.9 + ,106.36 + ,106.37 + ,121.87 + ,128 + ,106.44 + ,106.36 + ,121.87 + ,123.5 + ,106.29 + ,106.44 + ,121.92 + ,124 + ,106.23 + ,106.29 + ,123.72 + ,127.4 + ,106.23 + ,106.23 + ,124.38 + ,127.6 + ,106.23 + ,106.23 + ,123.21 + ,128.4 + ,106.34 + ,106.23 + ,123.17 + ,131.4 + ,106.44 + ,106.34 + ,122.95 + ,135.1 + ,106.44 + ,106.44 + ,123.46 + ,134 + ,106.48 + ,106.44 + ,123.24 + ,144.5 + ,106.50 + ,106.48 + ,123.86 + ,147.3 + ,106.57 + ,106.50 + ,124.28 + ,150.9 + ,106.40 + ,106.57 + ,124.78 + ,148.7 + ,106.37 + ,106.40 + ,125.19 + ,141.4 + ,106.25 + ,106.37 + ,125.46 + ,138.9 + ,106.21 + ,106.25 + ,127.6 + ,139.8 + ,106.21 + ,106.21 + ,127.8 + ,145.6 + ,106.24 + ,106.21 + ,126.63 + ,147.9 + ,106.19 + ,106.24 + ,127.06 + ,148.5 + ,106.08 + ,106.19 + ,126.77 + ,151.1 + ,106.13 + ,106.08) + ,dim=c(4 + ,54) + ,dimnames=list(c('Y' + ,'X' + ,'Y1' + ,'Y2') + ,1:54)) > y <- array(NA,dim=c(4,54),dimnames=list(c('Y','X','Y1','Y2'),1:54)) > for (i in 1:dim(x)[1]) + { + for (j in 1:dim(x)[2]) + { + y[i,j] <- as.numeric(x[i,j]) + } + } > par3 = 'Linear Trend' > par2 = 'Do not include Seasonal Dummies' > par1 = '1' > #'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!) > library(lattice) > library(lmtest) Loading required package: zoo Attaching package: 'zoo' The following object(s) are masked from package:base : as.Date.numeric > 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 Y X Y1 Y2 t 1 109.99 89.0 103.88 103.77 1 2 112.01 86.4 103.91 103.88 2 3 111.96 84.5 103.91 103.91 3 4 111.41 82.7 103.92 103.91 4 5 112.11 80.8 104.05 103.92 5 6 111.67 81.8 104.23 104.05 6 7 111.95 81.8 104.30 104.23 7 8 112.31 82.9 104.31 104.30 8 9 113.26 83.8 104.31 104.31 9 10 113.50 86.2 104.34 104.31 10 11 114.43 86.1 104.55 104.34 11 12 115.02 86.2 104.65 104.55 12 13 115.10 88.8 104.73 104.65 13 14 117.11 89.6 104.75 104.73 14 15 117.52 87.8 104.75 104.75 15 16 116.10 88.3 104.76 104.75 16 17 116.39 88.6 104.94 104.76 17 18 116.01 91.0 105.29 104.94 18 19 116.74 91.5 105.38 105.29 19 20 116.68 95.4 105.43 105.38 20 21 117.45 98.7 105.43 105.43 21 22 117.80 99.9 105.42 105.43 22 23 119.37 98.6 105.52 105.42 23 24 118.90 100.3 105.69 105.52 24 25 119.05 100.2 105.72 105.69 25 26 120.46 100.4 105.74 105.72 26 27 120.99 101.4 105.74 105.74 27 28 119.86 103.0 105.74 105.74 28 29 120.18 109.1 105.95 105.74 29 30 119.81 111.4 106.17 105.95 30 31 120.15 114.1 106.34 106.17 31 32 119.80 121.8 106.37 106.34 32 33 120.27 127.6 106.37 106.37 33 34 120.71 129.9 106.36 106.37 34 35 121.87 128.0 106.44 106.36 35 36 121.87 123.5 106.29 106.44 36 37 121.92 124.0 106.23 106.29 37 38 123.72 127.4 106.23 106.23 38 39 124.38 127.6 106.23 106.23 39 40 123.21 128.4 106.34 106.23 40 41 123.17 131.4 106.44 106.34 41 42 122.95 135.1 106.44 106.44 42 43 123.46 134.0 106.48 106.44 43 44 123.24 144.5 106.50 106.48 44 45 123.86 147.3 106.57 106.50 45 46 124.28 150.9 106.40 106.57 46 47 124.78 148.7 106.37 106.40 47 48 125.19 141.4 106.25 106.37 48 49 125.46 138.9 106.21 106.25 49 50 127.60 139.8 106.21 106.21 50 51 127.80 145.6 106.24 106.21 51 52 126.63 147.9 106.19 106.24 52 53 127.06 148.5 106.08 106.19 53 54 126.77 151.1 106.13 106.08 54 > k <- length(x[1,]) > df <- as.data.frame(x) > (mylm <- lm(df)) Call: lm(formula = df) Coefficients: (Intercept) X Y1 Y2 t 118.42776 -0.08013 -1.64514 1.62948 0.42097 > (mysum <- summary(mylm)) Call: lm(formula = df) Residuals: Min 1Q Median 3Q Max -1.1933 -0.5256 -0.1643 0.2780 1.6410 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 118.42776 31.98194 3.703 0.000541 *** X -0.08013 0.01740 -4.606 2.94e-05 *** Y1 -1.64514 1.18102 -1.393 0.169915 Y2 1.62948 1.22591 1.329 0.189938 t 0.42097 0.03212 13.106 < 2e-16 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.7301 on 49 degrees of freedom Multiple R-squared: 0.9794, Adjusted R-squared: 0.9777 F-statistic: 581.3 on 4 and 49 DF, p-value: < 2.2e-16 > 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 + } [,1] [,2] [,3] [1,] 0.4253518 0.8507036 0.5746482 [2,] 0.5339575 0.9320851 0.4660425 [3,] 0.4323912 0.8647823 0.5676088 [4,] 0.5463845 0.9072309 0.4536155 [5,] 0.5528277 0.8943446 0.4471723 [6,] 0.4403387 0.8806773 0.5596613 [7,] 0.6571969 0.6856062 0.3428031 [8,] 0.7758913 0.4482174 0.2241087 [9,] 0.7934929 0.4130141 0.2065071 [10,] 0.7319341 0.5361318 0.2680659 [11,] 0.7062169 0.5875662 0.2937831 [12,] 0.6981724 0.6036552 0.3018276 [13,] 0.7821333 0.4357335 0.2178667 [14,] 0.7796483 0.4407035 0.2203517 [15,] 0.7938383 0.4123235 0.2061617 [16,] 0.7638159 0.4723682 0.2361841 [17,] 0.6945099 0.6109801 0.3054901 [18,] 0.6496364 0.7007271 0.3503636 [19,] 0.6043121 0.7913759 0.3956879 [20,] 0.5938794 0.8122411 0.4061206 [21,] 0.6688225 0.6623550 0.3311775 [22,] 0.6162490 0.7675021 0.3837510 [23,] 0.6314047 0.7371906 0.3685953 [24,] 0.6045103 0.7909794 0.3954897 [25,] 0.6580112 0.6839776 0.3419888 [26,] 0.6238834 0.7522333 0.3761166 [27,] 0.5871192 0.8257616 0.4128808 [28,] 0.5097089 0.9805822 0.4902911 [29,] 0.4604353 0.9208705 0.5395647 [30,] 0.5545342 0.8909316 0.4454658 [31,] 0.4879935 0.9759870 0.5120065 [32,] 0.6090578 0.7818844 0.3909422 [33,] 0.5679445 0.8641111 0.4320555 [34,] 0.5307764 0.9384472 0.4692236 [35,] 0.4686186 0.9372372 0.5313814 [36,] 0.3967199 0.7934397 0.6032801 [37,] 0.2983147 0.5966294 0.7016853 [38,] 0.3608812 0.7217623 0.6391188 [39,] 0.2245884 0.4491768 0.7754116 > postscript(file="/var/www/html/freestat/rcomp/tmp/1dbu11293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(x[,1], type='l', main='Actuals and Interpolation', ylab='value of Actuals and Interpolation (dots)', xlab='time or index') > points(x[,1]-mysum$resid) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/2dbu11293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(mysum$resid, type='b', pch=19, main='Residuals', ylab='value of Residuals', xlab='time or index') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/363b41293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(mysum$resid, main='Residual Histogram', xlab='values of Residuals') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/463b41293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > densityplot(~mysum$resid,col='black',main='Residual Density Plot', xlab='values of Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/563b41293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(mysum$resid, main='Residual Normal Q-Q Plot') > qqline(mysum$resid) > grid() > dev.off() null device 1 > (myerror <- as.ts(mysum$resid)) Time Series: Start = 1 End = 54 Frequency = 1 1 2 3 4 5 6 0.07856148 1.33934943 0.66723596 -0.43152824 -0.10718442 -0.80373186 7 8 9 10 11 12 -1.12285274 -1.19329087 -0.60843832 -0.54773524 0.24987174 0.24923391 13 14 15 16 17 18 0.08527244 1.64095052 1.45314532 -0.33130971 -0.15841340 -0.48457369 19 20 21 22 23 24 -0.55773661 -0.79058257 -0.25858669 -0.24985035 0.97580969 0.33778945 25 26 27 28 29 30 -0.16885548 0.82021606 0.97678723 -0.44597129 0.28735355 -0.29957228 31 32 33 34 35 36 -0.24299595 -0.62459240 -0.15967083 0.02721338 0.76189005 -0.39681735 37 38 39 40 41 42 -0.58200957 1.16724278 1.42229607 0.07639492 -0.15890489 -0.66632934 43 44 45 46 47 48 -0.59964538 -0.43148414 0.07448849 -0.03173801 0.09865055 -0.64583613 49 50 51 52 53 54 -0.86741335 0.98891331 1.28207341 -0.25573227 -0.29811603 -0.53924033 > postscript(file="/var/www/html/freestat/rcomp/tmp/6zut71293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > dum <- cbind(lag(myerror,k=1),myerror) > dum Time Series: Start = 0 End = 54 Frequency = 1 lag(myerror, k = 1) myerror 0 0.07856148 NA 1 1.33934943 0.07856148 2 0.66723596 1.33934943 3 -0.43152824 0.66723596 4 -0.10718442 -0.43152824 5 -0.80373186 -0.10718442 6 -1.12285274 -0.80373186 7 -1.19329087 -1.12285274 8 -0.60843832 -1.19329087 9 -0.54773524 -0.60843832 10 0.24987174 -0.54773524 11 0.24923391 0.24987174 12 0.08527244 0.24923391 13 1.64095052 0.08527244 14 1.45314532 1.64095052 15 -0.33130971 1.45314532 16 -0.15841340 -0.33130971 17 -0.48457369 -0.15841340 18 -0.55773661 -0.48457369 19 -0.79058257 -0.55773661 20 -0.25858669 -0.79058257 21 -0.24985035 -0.25858669 22 0.97580969 -0.24985035 23 0.33778945 0.97580969 24 -0.16885548 0.33778945 25 0.82021606 -0.16885548 26 0.97678723 0.82021606 27 -0.44597129 0.97678723 28 0.28735355 -0.44597129 29 -0.29957228 0.28735355 30 -0.24299595 -0.29957228 31 -0.62459240 -0.24299595 32 -0.15967083 -0.62459240 33 0.02721338 -0.15967083 34 0.76189005 0.02721338 35 -0.39681735 0.76189005 36 -0.58200957 -0.39681735 37 1.16724278 -0.58200957 38 1.42229607 1.16724278 39 0.07639492 1.42229607 40 -0.15890489 0.07639492 41 -0.66632934 -0.15890489 42 -0.59964538 -0.66632934 43 -0.43148414 -0.59964538 44 0.07448849 -0.43148414 45 -0.03173801 0.07448849 46 0.09865055 -0.03173801 47 -0.64583613 0.09865055 48 -0.86741335 -0.64583613 49 0.98891331 -0.86741335 50 1.28207341 0.98891331 51 -0.25573227 1.28207341 52 -0.29811603 -0.25573227 53 -0.53924033 -0.29811603 54 NA -0.53924033 > dum1 <- dum[2:length(myerror),] > dum1 lag(myerror, k = 1) myerror [1,] 1.33934943 0.07856148 [2,] 0.66723596 1.33934943 [3,] -0.43152824 0.66723596 [4,] -0.10718442 -0.43152824 [5,] -0.80373186 -0.10718442 [6,] -1.12285274 -0.80373186 [7,] -1.19329087 -1.12285274 [8,] -0.60843832 -1.19329087 [9,] -0.54773524 -0.60843832 [10,] 0.24987174 -0.54773524 [11,] 0.24923391 0.24987174 [12,] 0.08527244 0.24923391 [13,] 1.64095052 0.08527244 [14,] 1.45314532 1.64095052 [15,] -0.33130971 1.45314532 [16,] -0.15841340 -0.33130971 [17,] -0.48457369 -0.15841340 [18,] -0.55773661 -0.48457369 [19,] -0.79058257 -0.55773661 [20,] -0.25858669 -0.79058257 [21,] -0.24985035 -0.25858669 [22,] 0.97580969 -0.24985035 [23,] 0.33778945 0.97580969 [24,] -0.16885548 0.33778945 [25,] 0.82021606 -0.16885548 [26,] 0.97678723 0.82021606 [27,] -0.44597129 0.97678723 [28,] 0.28735355 -0.44597129 [29,] -0.29957228 0.28735355 [30,] -0.24299595 -0.29957228 [31,] -0.62459240 -0.24299595 [32,] -0.15967083 -0.62459240 [33,] 0.02721338 -0.15967083 [34,] 0.76189005 0.02721338 [35,] -0.39681735 0.76189005 [36,] -0.58200957 -0.39681735 [37,] 1.16724278 -0.58200957 [38,] 1.42229607 1.16724278 [39,] 0.07639492 1.42229607 [40,] -0.15890489 0.07639492 [41,] -0.66632934 -0.15890489 [42,] -0.59964538 -0.66632934 [43,] -0.43148414 -0.59964538 [44,] 0.07448849 -0.43148414 [45,] -0.03173801 0.07448849 [46,] 0.09865055 -0.03173801 [47,] -0.64583613 0.09865055 [48,] -0.86741335 -0.64583613 [49,] 0.98891331 -0.86741335 [50,] 1.28207341 0.98891331 [51,] -0.25573227 1.28207341 [52,] -0.29811603 -0.25573227 [53,] -0.53924033 -0.29811603 > z <- as.data.frame(dum1) > z lag(myerror, k = 1) myerror 1 1.33934943 0.07856148 2 0.66723596 1.33934943 3 -0.43152824 0.66723596 4 -0.10718442 -0.43152824 5 -0.80373186 -0.10718442 6 -1.12285274 -0.80373186 7 -1.19329087 -1.12285274 8 -0.60843832 -1.19329087 9 -0.54773524 -0.60843832 10 0.24987174 -0.54773524 11 0.24923391 0.24987174 12 0.08527244 0.24923391 13 1.64095052 0.08527244 14 1.45314532 1.64095052 15 -0.33130971 1.45314532 16 -0.15841340 -0.33130971 17 -0.48457369 -0.15841340 18 -0.55773661 -0.48457369 19 -0.79058257 -0.55773661 20 -0.25858669 -0.79058257 21 -0.24985035 -0.25858669 22 0.97580969 -0.24985035 23 0.33778945 0.97580969 24 -0.16885548 0.33778945 25 0.82021606 -0.16885548 26 0.97678723 0.82021606 27 -0.44597129 0.97678723 28 0.28735355 -0.44597129 29 -0.29957228 0.28735355 30 -0.24299595 -0.29957228 31 -0.62459240 -0.24299595 32 -0.15967083 -0.62459240 33 0.02721338 -0.15967083 34 0.76189005 0.02721338 35 -0.39681735 0.76189005 36 -0.58200957 -0.39681735 37 1.16724278 -0.58200957 38 1.42229607 1.16724278 39 0.07639492 1.42229607 40 -0.15890489 0.07639492 41 -0.66632934 -0.15890489 42 -0.59964538 -0.66632934 43 -0.43148414 -0.59964538 44 0.07448849 -0.43148414 45 -0.03173801 0.07448849 46 0.09865055 -0.03173801 47 -0.64583613 0.09865055 48 -0.86741335 -0.64583613 49 0.98891331 -0.86741335 50 1.28207341 0.98891331 51 -0.25573227 1.28207341 52 -0.29811603 -0.25573227 53 -0.53924033 -0.29811603 > 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() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/79lss1293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/89lss1293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > pacf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Partial Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/99lss1293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > opar <- par(mfrow = c(2,2), oma = c(0, 0, 1.1, 0)) > plot(mylm, las = 1, sub='Residual Diagnostics') > par(opar) > dev.off() null device 1 > if (n > n25) { + postscript(file="/var/www/html/freestat/rcomp/tmp/10kc9v1293029226.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + plot(kp3:nmkm3,gqarr[,2], main='Goldfeld-Quandt test',ylab='2-sided p-value',xlab='breakpoint') + grid() + dev.off() + } null device 1 > > #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/freestat/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Estimated Regression Equation', 1, TRUE) > a<-table.row.end(a) > myeq <- colnames(x)[1] > myeq <- paste(myeq, '[t] = ', sep='') > for (i in 1:k){ + if (mysum$coefficients[i,1] > 0) myeq <- paste(myeq, '+', '') + myeq <- paste(myeq, mysum$coefficients[i,1], sep=' ') + if (rownames(mysum$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="/var/www/html/freestat/rcomp/tmp/11nd8j1293029226.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
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$coefficients)[i],header=TRUE) + a<-table.element(a,mysum$coefficients[i,1]) + a<-table.element(a, round(mysum$coefficients[i,2],6)) + a<-table.element(a, round(mysum$coefficients[i,3],4)) + a<-table.element(a, round(mysum$coefficients[i,4],6)) + a<-table.element(a, round(mysum$coefficients[i,4]/2,6)) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/freestat/rcomp/tmp/12159j1293029227.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, sqrt(mysum$r.squared)) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'R-squared',1,TRUE) > a<-table.element(a, mysum$r.squared) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Adjusted R-squared',1,TRUE) > a<-table.element(a, mysum$adj.r.squared) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (value)',1,TRUE) > a<-table.element(a, mysum$fstatistic[1]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (DF numerator)',1,TRUE) > a<-table.element(a, mysum$fstatistic[2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (DF denominator)',1,TRUE) > a<-table.element(a, mysum$fstatistic[3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'p-value',1,TRUE) > a<-table.element(a, 1-pf(mysum$fstatistic[1],mysum$fstatistic[2],mysum$fstatistic[3])) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Residual Statistics', 2, TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Residual Standard Deviation',1,TRUE) > a<-table.element(a, mysum$sigma) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Sum Squared Residuals',1,TRUE) > a<-table.element(a, sum(myerror*myerror)) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/html/freestat/rcomp/tmp/13xf6s1293029227.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
Forecast', 1, TRUE) > a<-table.element(a, 'Residuals
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,x[i]) + a<-table.element(a,x[i]-mysum$resid[i]) + a<-table.element(a,mysum$resid[i]) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/freestat/rcomp/tmp/14iyng1293029227.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,gqarr[mypoint-kp3+1,1]) + a<-table.element(a,gqarr[mypoint-kp3+1,2]) + a<-table.element(a,gqarr[mypoint-kp3+1,3]) + a<-table.row.end(a) + } + a<-table.end(a) + table.save(a,file="/var/www/html/freestat/rcomp/tmp/15my3m1293029227.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,numsignificant1) + a<-table.element(a,numsignificant1/numgqtests) + 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,numsignificant5) + a<-table.element(a,numsignificant5/numgqtests) + 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,numsignificant10) + a<-table.element(a,numsignificant10/numgqtests) + 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="/var/www/html/freestat/rcomp/tmp/16phka1293029227.tab") + } > > try(system("convert tmp/1dbu11293029226.ps tmp/1dbu11293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/2dbu11293029226.ps tmp/2dbu11293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/363b41293029226.ps tmp/363b41293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/463b41293029226.ps tmp/463b41293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/563b41293029226.ps tmp/563b41293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/6zut71293029226.ps tmp/6zut71293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/79lss1293029226.ps tmp/79lss1293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/89lss1293029226.ps tmp/89lss1293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/99lss1293029226.ps tmp/99lss1293029226.png",intern=TRUE)) character(0) > try(system("convert tmp/10kc9v1293029226.ps tmp/10kc9v1293029226.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 3.761 2.456 4.085