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Type 'q()' to quit R. > x <- c(1755000,1690000,1787500,1430000,1852500,1820000,1950000,2015000,2242500,1950000,1852500,2307500,1950000,1462500,1722500,1300000,1820000,1495000,1982500,1787500,1885000,2112500,2080000,2470000,1787500,1495000,1657500,1202500,1722500,1332500,1885000,1787500,1592500,2275000,2047500,2340000,1755000,1625000,1462500,1202500,1592500,1430000,1950000,1885000,1625000,2177500,2015000,2600000,2080000,1267500,1267500,1267500,1495000,1495000,2015000,1852500,1657500,2080000,1917500,2762500,2177500,1267500,1332500,1105000,1527500,1755000,2210000,2177500,1755000,2047500,1820000,2600000,1982500,1592500,1430000,1072500,1592500,1917500,2242500,2112500,1560000,2242500,1755000,2697500,2242500,1625000,1495000,1007500,1592500,1527500,2307500,2307500,1755000,2275000,1690000,2632500,2242500,1657500,1267500,877500,1722500,1657500,2177500,2502500,1852500,2080000,1560000,2697500) > 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,] 1755000 1950000 1787500 1755000 2080000 2177500 1982500 2242500 2242500 [2,] 1690000 1462500 1495000 1625000 1267500 1267500 1592500 1625000 1657500 [3,] 1787500 1722500 1657500 1462500 1267500 1332500 1430000 1495000 1267500 [4,] 1430000 1300000 1202500 1202500 1267500 1105000 1072500 1007500 877500 [5,] 1852500 1820000 1722500 1592500 1495000 1527500 1592500 1592500 1722500 [6,] 1820000 1495000 1332500 1430000 1495000 1755000 1917500 1527500 1657500 [7,] 1950000 1982500 1885000 1950000 2015000 2210000 2242500 2307500 2177500 [8,] 2015000 1787500 1787500 1885000 1852500 2177500 2112500 2307500 2502500 [9,] 2242500 1885000 1592500 1625000 1657500 1755000 1560000 1755000 1852500 [10,] 1950000 2112500 2275000 2177500 2080000 2047500 2242500 2275000 2080000 [11,] 1852500 2080000 2047500 2015000 1917500 1820000 1755000 1690000 1560000 [12,] 2307500 2470000 2340000 2600000 2762500 2600000 2697500 2632500 2697500 > 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] 1887708 1838958 1760417 1776667 1763125 1814583 1849792 1871458 1857917 > arr.sd [1] 235365.9 320974.1 344459.1 377319.1 445859.9 448802.5 439424.3 472081.3 [9] 514959.0 > arr.range [1] 877500 1170000 1137500 1397500 1495000 1495000 1625000 1625000 1820000 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean 5.960e+05 -1.074e-01 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) 31.563 -1.296 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean 9.980e+05 2.229e-01 > postscript(file="/var/wessaorg/rcomp/tmp/1jp3d1439292883.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/22sth1439292883.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/3c8ai1439292883.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/4z9iv1439292883.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/5y67k1439292883.tab") > > try(system("convert tmp/1jp3d1439292883.ps tmp/1jp3d1439292883.png",intern=TRUE)) character(0) > try(system("convert tmp/22sth1439292883.ps tmp/22sth1439292883.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.895 0.176 1.077