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Type 'q()' to quit R. > x <- c(3469648.00 + ,3456726.00 + ,3443622.00 + ,3416504.00 + ,3684772.00 + ,3670576.00 + ,3469648.00 + ,3336060.00 + ,3348982.00 + ,3348982.00 + ,3363360.00 + ,3389204.00 + ,3429426.00 + ,3429426.00 + ,3403582.00 + ,3336060.00 + ,3684772.00 + ,3737916.00 + ,3657654.00 + ,3469648.00 + ,3550092.00 + ,3429426.00 + ,3483844.00 + ,3509870.00 + ,3536988.00 + ,3469648.00 + ,3483844.00 + ,3389204.00 + ,3684772.00 + ,3778138.00 + ,3697876.00 + ,3550092.00 + ,3710798.00 + ,3536988.00 + ,3697876.00 + ,3684772.00 + ,3724994.00 + ,3577210.00 + ,3737916.00 + ,3724994.00 + ,3966144.00 + ,3911726.00 + ,3697876.00 + ,3590132.00 + ,3737916.00 + ,3536988.00 + ,3684772.00 + ,3710798.00 + ,3765216.00 + ,3644732.00 + ,3710798.00 + ,3751020.00 + ,3898804.00 + ,3778138.00 + ,3617432.00 + ,3443622.00 + ,3604510.00 + ,3162250.00 + ,3376282.00 + ,3496766.00 + ,3617432.00 + ,3443622.00 + ,3443622.00 + ,3443622.00 + ,3536988.00 + ,3403582.00 + ,3228498.00 + ,3081988.00 + ,3188276.00 + ,2773316.00 + ,3027570.00 + ,3175354.00 + ,3202472.00 + ,3054688.00 + ,3067610.00 + ,3027570.00 + ,3162250.00 + ,3067610.00 + ,2881060.00 + ,2746198.00 + ,2974244.00 + ,2479022.00 + ,2800616.00 + ,2947126.00 + ,2947126.00 + ,2773316.00 + ,2612610.00 + ,2599688.00 + ,2746198.00 + ,2612610.00 + ,2358538.00 + ,2183454.00 + ,2371460.00 + ,1929382.00 + ,2331238.00 + ,2545088.00 + ,2612610.00 + ,2464826.00 + ,2278094.00 + ,2411682.00 + ,2464826.00 + ,2424604.00 + ,2022566.00 + ,1836016.00 + ,1969422.00 + ,1567566.00 + ,1982526.00 + ,2130310.00 + ,2250794.00 + ,2049866.00 + ,1861860.00 + ,1969422.00 + ,2022566.00 + ,1916278.00 + ,1514422.00 + ,1339338.00 + ,1500044.00 + ,1057966.00 + ,1540266.00 + ,1836016.00) > ylimmax = '' > ylimmin = '' > main = 'Robustness of Central Tendency Evian' > #'GNU S' R Code compiled by R2WASP v. 1.2.291 () > #Author: root > #To cite this work: Wessa, P., (2012), Central Tendency (v1.0.4) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_centraltendency.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > # > geomean <- function(x) { + return(exp(mean(log(x)))) + } > harmean <- function(x) { + return(1/mean(1/x)) + } > quamean <- function(x) { + return(sqrt(mean(x*x))) + } > winmean <- function(x) { + x <-sort(x[!is.na(x)]) + n<-length(x) + denom <- 3 + nodenom <- n/denom + if (nodenom>40) denom <- n/40 + sqrtn = sqrt(n) + roundnodenom = floor(nodenom) + win <- array(NA,dim=c(roundnodenom,2)) + for (j in 1:roundnodenom) { + win[j,1] <- (j*x[j+1]+sum(x[(j+1):(n-j)])+j*x[n-j])/n + win[j,2] <- sd(c(rep(x[j+1],j),x[(j+1):(n-j)],rep(x[n-j],j)))/sqrtn + } + return(win) + } > trimean <- function(x) { + x <-sort(x[!is.na(x)]) + n<-length(x) + denom <- 3 + nodenom <- n/denom + if (nodenom>40) denom <- n/40 + sqrtn = sqrt(n) + roundnodenom = floor(nodenom) + tri <- array(NA,dim=c(roundnodenom,2)) + for (j in 1:roundnodenom) { + tri[j,1] <- mean(x,trim=j/n) + tri[j,2] <- sd(x[(j+1):(n-j)]) / sqrt(n-j*2) + } + return(tri) + } > midrange <- function(x) { + return((max(x)+min(x))/2) + } > q1 <- function(data,n,p,i,f) { + np <- n*p; + i <<- floor(np) + f <<- np - i + qvalue <- (1-f)*data[i] + f*data[i+1] + } > q2 <- function(data,n,p,i,f) { + np <- (n+1)*p + i <<- floor(np) + f <<- np - i + qvalue <- (1-f)*data[i] + f*data[i+1] + } > q3 <- function(data,n,p,i,f) { + np <- n*p + i <<- floor(np) + f <<- np - i + if (f==0) { + qvalue <- data[i] + } else { + qvalue <- data[i+1] + } + } > q4 <- function(data,n,p,i,f) { + np <- n*p + i <<- floor(np) + f <<- np - i + if (f==0) { + qvalue <- (data[i]+data[i+1])/2 + } else { + qvalue <- data[i+1] + } + } > q5 <- function(data,n,p,i,f) { + np <- (n-1)*p + i <<- floor(np) + f <<- np - i + if (f==0) { + qvalue <- data[i+1] + } else { + qvalue <- data[i+1] + f*(data[i+2]-data[i+1]) + } + } > q6 <- function(data,n,p,i,f) { + np <- n*p+0.5 + i <<- floor(np) + f <<- np - i + qvalue <- data[i] + } > q7 <- function(data,n,p,i,f) { + np <- (n+1)*p + i <<- floor(np) + f <<- np - i + if (f==0) { + qvalue <- data[i] + } else { + qvalue <- f*data[i] + (1-f)*data[i+1] + } + } > q8 <- function(data,n,p,i,f) { + np <- (n+1)*p + i <<- floor(np) + f <<- np - i + if (f==0) { + qvalue <- data[i] + } else { + if (f == 0.5) { + qvalue <- (data[i]+data[i+1])/2 + } else { + if (f < 0.5) { + qvalue <- data[i] + } else { + qvalue <- data[i+1] + } + } + } + } > midmean <- function(x,def) { + x <-sort(x[!is.na(x)]) + n<-length(x) + if (def==1) { + qvalue1 <- q1(x,n,0.25,i,f) + qvalue3 <- q1(x,n,0.75,i,f) + } + if (def==2) { + qvalue1 <- q2(x,n,0.25,i,f) + qvalue3 <- q2(x,n,0.75,i,f) + } + if (def==3) { + qvalue1 <- q3(x,n,0.25,i,f) + qvalue3 <- q3(x,n,0.75,i,f) + } + if (def==4) { + qvalue1 <- q4(x,n,0.25,i,f) + qvalue3 <- q4(x,n,0.75,i,f) + } + if (def==5) { + qvalue1 <- q5(x,n,0.25,i,f) + qvalue3 <- q5(x,n,0.75,i,f) + } + if (def==6) { + qvalue1 <- q6(x,n,0.25,i,f) + qvalue3 <- q6(x,n,0.75,i,f) + } + if (def==7) { + qvalue1 <- q7(x,n,0.25,i,f) + qvalue3 <- q7(x,n,0.75,i,f) + } + if (def==8) { + qvalue1 <- q8(x,n,0.25,i,f) + qvalue3 <- q8(x,n,0.75,i,f) + } + midm <- 0 + myn <- 0 + roundno4 <- round(n/4) + round3no4 <- round(3*n/4) + for (i in 1:n) { + if ((x[i]>=qvalue1) & (x[i]<=qvalue3)){ + midm = midm + x[i] + myn = myn + 1 + } + } + midm = midm / myn + return(midm) + } > (arm <- mean(x)) [1] 3053340 > sqrtn <- sqrt(length(x)) > (armse <- sd(x) / sqrtn) [1] 63013.62 > (armose <- arm / armse) [1] 48.45524 > (geo <- geomean(x)) [1] 2957848 > (har <- harmean(x)) [1] 2839740 > (qua <- quamean(x)) [1] 3129760 > (win <- winmean(x)) [,1] [,2] [1,] 3055231 62376.65 [2,] 3057694 61758.35 [3,] 3055037 61360.27 [4,] 3055898 61179.72 [5,] 3056497 60891.41 [6,] 3069210 58244.57 [7,] 3068446 58170.01 [8,] 3070169 57865.46 [9,] 3074250 57159.91 [10,] 3074265 56870.28 [11,] 3077935 56255.91 [12,] 3076516 56119.89 [13,] 3077935 55885.30 [14,] 3082607 55123.09 [15,] 3080992 54969.58 [16,] 3084632 54384.08 [17,] 3096028 52593.24 [18,] 3102034 51188.44 [19,] 3112696 49605.73 [20,] 3117246 48945.77 [21,] 3126546 47623.00 [22,] 3131551 46925.35 [23,] 3131307 46315.29 [24,] 3136767 44963.32 [25,] 3136767 44338.60 [26,] 3139567 42606.83 [27,] 3139567 42606.83 [28,] 3139864 41884.19 [29,] 3152355 39468.92 [30,] 3162775 37422.11 [31,] 3159107 36357.58 [32,] 3159107 36357.58 [33,] 3155504 36034.45 [34,] 3193354 31362.07 [35,] 3193354 31362.07 [36,] 3201489 30393.06 [37,] 3193128 29629.53 [38,] 3197623 28232.84 [39,] 3219568 24811.63 [40,] 3241590 22326.66 > (tri <- trimean(x)) [,1] [,2] [1,] 3062514 61299.11 [2,] 3070048 60097.42 [3,] 3076550 59119.13 [4,] 3084234 58182.21 [5,] 3091962 57187.72 [6,] 3099843 56145.95 [7,] 3105622 55597.65 [8,] 3111750 54986.87 [9,] 3117865 54349.02 [10,] 3123681 53747.02 [11,] 3129731 53103.79 [12,] 3135617 52464.54 [13,] 3141905 51746.54 [14,] 3148323 50954.70 [15,] 3154582 50155.40 [16,] 3161272 49248.67 [17,] 3167955 48283.95 [18,] 3174000 47425.86 [19,] 3179851 46621.20 [20,] 3185152 45902.15 [21,] 3190376 45147.08 [22,] 3195175 44440.95 [23,] 3199865 43700.10 [24,] 3204833 42896.39 [25,] 3209695 42124.74 [26,] 3214843 41279.41 [27,] 3220107 40500.78 [28,] 3225700 39549.25 [29,] 3231633 38491.58 [30,] 3237101 37588.91 [31,] 3242226 36804.72 [32,] 3247972 35970.86 [33,] 3254143 34911.30 [34,] 3261041 33600.90 [35,] 3265819 32899.41 [36,] 3270995 31978.12 [37,] 3276032 30985.28 [38,] 3282142 29783.71 [39,] 3288497 28500.14 [40,] 3293800 27658.84 > (midr <- midrange(x)) [1] 2512055 > midm <- array(NA,dim=8) > for (j in 1:8) midm[j] <- midmean(x,j) > midm [1] 3225756 3237101 3225756 3237101 3237101 3225756 3237101 3231633 > postscript(file="/var/wessaorg/rcomp/tmp/1jgm61438956621.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > lb <- win[,1] - 2*win[,2] > ub <- win[,1] + 2*win[,2] > if ((ylimmin == '') | (ylimmax == '')) plot(win[,1],type='b',main=main, xlab='j', pch=19, ylab='Winsorized Mean(j/n)', ylim=c(min(lb),max(ub))) else plot(win[,1],type='l',main=main, xlab='j', pch=19, ylab='Winsorized Mean(j/n)', ylim=c(ylimmin,ylimmax)) > lines(ub,lty=3) > lines(lb,lty=3) > grid() > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/2fzlt1438956621.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > lb <- tri[,1] - 2*tri[,2] > ub <- tri[,1] + 2*tri[,2] > if ((ylimmin == '') | (ylimmax == '')) plot(tri[,1],type='b',main=main, xlab='j', pch=19, ylab='Trimmed Mean(j/n)', ylim=c(min(lb),max(ub))) else plot(tri[,1],type='l',main=main, xlab='j', pch=19, ylab='Trimmed Mean(j/n)', ylim=c(ylimmin,ylimmax)) > lines(ub,lty=3) > lines(lb,lty=3) > 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,'Central Tendency - Ungrouped Data',4,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Measure',header=TRUE) > a<-table.element(a,'Value',header=TRUE) > a<-table.element(a,'S.E.',header=TRUE) > a<-table.element(a,'Value/S.E.',header=TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm', 'Arithmetic Mean', 'click to view the definition of the Arithmetic Mean'),header=TRUE) > a<-table.element(a,arm) > a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean_standard_error.htm', armse, 'click to view the definition of the Standard Error of the Arithmetic Mean')) > a<-table.element(a,armose) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/geometric_mean.htm', 'Geometric Mean', 'click to view the definition of the Geometric Mean'),header=TRUE) > a<-table.element(a,geo) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/harmonic_mean.htm', 'Harmonic Mean', 'click to view the definition of the Harmonic Mean'),header=TRUE) > a<-table.element(a,har) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/quadratic_mean.htm', 'Quadratic Mean', 'click to view the definition of the Quadratic Mean'),header=TRUE) > a<-table.element(a,qua) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > for (j in 1:length(win[,1])) { + a<-table.row.start(a) + mylabel <- paste('Winsorized Mean (',j) + mylabel <- paste(mylabel,'/') + mylabel <- paste(mylabel,length(win[,1])) + mylabel <- paste(mylabel,')') + a<-table.element(a,hyperlink('http://www.xycoon.com/winsorized_mean.htm', mylabel, 'click to view the definition of the Winsorized Mean'),header=TRUE) + a<-table.element(a,win[j,1]) + a<-table.element(a,win[j,2]) + a<-table.element(a,win[j,1]/win[j,2]) + a<-table.row.end(a) + } > for (j in 1:length(tri[,1])) { + a<-table.row.start(a) + mylabel <- paste('Trimmed Mean (',j) + mylabel <- paste(mylabel,'/') + mylabel <- paste(mylabel,length(tri[,1])) + mylabel <- paste(mylabel,')') + a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm', mylabel, 'click to view the definition of the Trimmed Mean'),header=TRUE) + a<-table.element(a,tri[j,1]) + a<-table.element(a,tri[j,2]) + a<-table.element(a,tri[j,1]/tri[j,2]) + a<-table.row.end(a) + } > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/median_1.htm', 'Median', 'click to view the definition of the Median'),header=TRUE) > a<-table.element(a,median(x)) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/midrange.htm', 'Midrange', 'click to view the definition of the Midrange'),header=TRUE) > a<-table.element(a,midr) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_1.htm','Weighted Average at Xnp',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[1]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_2.htm','Weighted Average at X(n+1)p',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[2]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_3.htm','Empirical Distribution Function',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[3]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_4.htm','Empirical Distribution Function - Averaging',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[4]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_5.htm','Empirical Distribution Function - Interpolation',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[5]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_6.htm','Closest Observation',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[6]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_7.htm','True Basic - Statistics Graphics Toolkit',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[7]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > mymid <- hyperlink('http://www.xycoon.com/midmean.htm', 'Midmean', 'click to view the definition of the Midmean') > mylabel <- paste(mymid,hyperlink('http://www.xycoon.com/method_8.htm','MS Excel (old versions)',''),sep=' - ') > a<-table.element(a,mylabel,header=TRUE) > a<-table.element(a,midm[8]) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Number of observations',header=TRUE) > a<-table.element(a,length(x)) > a<-table.element(a,'') > a<-table.element(a,'') > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/3os041438956621.tab") > > try(system("convert tmp/1jgm61438956621.ps tmp/1jgm61438956621.png",intern=TRUE)) character(0) > try(system("convert tmp/2fzlt1438956621.ps tmp/2fzlt1438956621.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.286 0.142 1.428