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Type 'q()' to quit R. > x <- c(29312,29336,29357,29380,29402,29426,29448,29471,29495,29517,29540,29563,29586,29609,29631,29654,29677,29700,29723,29746,29769,29792,29815,29837,29861,29884,29905,29928,29951,29974,29996,30020,30043,30065,30089,30111,30134,30158,30179,30202,30224,30248,30270,30293,30317,30339,30362,30385,30408,30431,30452,30476,30498,30521,30544,30567,30590,30613,30636,30659,30682,30705,30727,30750,30773,30796,30818,30842,30865,30887,30911,30933,30956,30980,31001,31024,31046,31070,31092,31115,31139,31161,31184,31207,31230,31253,31274,31298,31320,31343,31366,31389,31412,31435,31458,31481,31504,31527,31548,31571,31594,31617,31640,31663,31686,31709,31732,31754) > par1 = '12' > par1 <- '12' > #'GNU S' R Code compiled by R2WASP v. 1.2.291 () > #Author: root > #To cite this work: Wessa P. (2012), Standard Deviation-Mean Plot (v1.0.6) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_smp.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > # > par1 <- as.numeric(par1) > (n <- length(x)) [1] 108 > (np <- floor(n / par1)) [1] 9 > arr <- array(NA,dim=c(par1,np)) > j <- 0 > k <- 1 > for (i in 1:(np*par1)) + { + j = j + 1 + arr[j,k] <- x[i] + if (j == par1) { + j = 0 + k=k+1 + } + } > arr [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [1,] 29312 29586 29861 30134 30408 30682 30956 31230 31504 [2,] 29336 29609 29884 30158 30431 30705 30980 31253 31527 [3,] 29357 29631 29905 30179 30452 30727 31001 31274 31548 [4,] 29380 29654 29928 30202 30476 30750 31024 31298 31571 [5,] 29402 29677 29951 30224 30498 30773 31046 31320 31594 [6,] 29426 29700 29974 30248 30521 30796 31070 31343 31617 [7,] 29448 29723 29996 30270 30544 30818 31092 31366 31640 [8,] 29471 29746 30020 30293 30567 30842 31115 31389 31663 [9,] 29495 29769 30043 30317 30590 30865 31139 31412 31686 [10,] 29517 29792 30065 30339 30613 30887 31161 31435 31709 [11,] 29540 29815 30089 30362 30636 30911 31184 31458 31732 [12,] 29563 29837 30111 30385 30659 30933 31207 31481 31754 > arr.mean <- array(NA,dim=np) > arr.sd <- array(NA,dim=np) > arr.range <- array(NA,dim=np) > for (j in 1:np) + { + arr.mean[j] <- mean(arr[,j],na.rm=TRUE) + arr.sd[j] <- sd(arr[,j],na.rm=TRUE) + arr.range[j] <- max(arr[,j],na.rm=TRUE) - min(arr[,j],na.rm=TRUE) + } > arr.mean [1] 29437.25 29711.58 29985.58 30259.25 30532.92 30807.42 31081.25 31354.92 [9] 31628.75 > arr.sd [1] 82.21162 82.53755 82.18655 82.21162 82.36224 82.43726 82.21162 82.36224 [9] 82.28678 > arr.range [1] 251 251 250 251 251 251 251 251 250 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean 8.222e+01 3.079e-06 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) 4.398036 0.001208 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean 2.545e+02 -1.217e-04 > postscript(file="/var/wessaorg/rcomp/tmp/159g71471091272.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.mean,arr.sd,main='Standard Deviation-Mean Plot',xlab='mean',ylab='standard deviation') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/2kez21471091272.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.mean,arr.range,main='Range-Mean Plot',xlab='mean',ylab='range') > 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,'Standard Deviation-Mean Plot',4,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Section',header=TRUE) > a<-table.element(a,'Mean',header=TRUE) > a<-table.element(a,'Standard Deviation',header=TRUE) > a<-table.element(a,'Range',header=TRUE) > a<-table.row.end(a) > for (j in 1:np) { + a<-table.row.start(a) + a<-table.element(a,j,header=TRUE) + a<-table.element(a,arr.mean[j]) + a<-table.element(a,arr.sd[j] ) + a<-table.element(a,arr.range[j] ) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/3ommh1471091272.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Regression: S.E.(k) = alpha + beta * Mean(k)',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'alpha',header=TRUE) > a<-table.element(a,lm1$coefficients[[1]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'beta',header=TRUE) > a<-table.element(a,lm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'S.D.',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'T-STAT',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'p-value',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,4]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/4oc281471091272.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Regression: ln S.E.(k) = alpha + beta * ln Mean(k)',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'alpha',header=TRUE) > a<-table.element(a,lnlm1$coefficients[[1]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'beta',header=TRUE) > a<-table.element(a,lnlm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'S.D.',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'T-STAT',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'p-value',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,4]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Lambda',header=TRUE) > a<-table.element(a,1-lnlm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/5jhgn1471091272.tab") > > try(system("convert tmp/159g71471091272.ps tmp/159g71471091272.png",intern=TRUE)) character(0) > try(system("convert tmp/2kez21471091272.ps tmp/2kez21471091272.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.849 0.096 0.960