R version 2.6.0 (2007-10-03) Copyright (C) 2007 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. 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 <- c(100.70,97.90,96.50,96.60,96.60,95.50,91.80,89.30,87.00,85.90,88.00,87.90,89.20,90.90,91.60,90.20,89.10,87.50,86.30,86.00,84.40,86.10,91.00,92.70,88.00,84.30,82.20,80.80,79.40,80.20,82.20,82.20,81.20,82.10,88.10,88.50,92.10,98.60,100.90,100.60,101.10,102.10,103.60,102.80,108.30,104.00,106.10,106.30,109.00,111.00,113.70,112.70,110.30,114.50,119.30,121.80,125.40,129.70,129.40,134.50,141.20,141.40,152.20,167.70,173.30,168.70,172.60,169.80,172.00,179.40,174.60,172.50,172.60,176.30,178.90,179.60,179.90,180.30,180.90,177.70) > par2 = '0' > par1 = '8' > ylab = 'density' > xlab = 'value of data series' > main = 'Histogram and Fitted Normal Density' > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: Wessa P., (2007), Maximum-likelihood Normal Distribution Fitting (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_fitdistrnorm.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (available to developers only). > library(MASS) > par1 <- as.numeric(par1) > if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2) > x <- as.ts(x) #otherwise the fitdistr function does not work properly > r <- fitdistr(x,'normal') > r mean sd 115.591250 34.352271 ( 3.840701) ( 2.715786) > postscript(file="/var/www/html/rcomp/tmp/1xtdq1194281215.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F) > curve(1/(r$estimate[2]*sqrt(2*pi))*exp(-1/2*((x-r$estimate[1])/r$estimate[2])^2),min(x),max(x),add=T) > dev.off() null device 1 > load(file='/var/www/html/rcomp/createtable') > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Parameter',1,TRUE) > a<-table.element(a,'Estimated Value',1,TRUE) > a<-table.element(a,'Standard Deviation',1,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'mean',header=TRUE) > a<-table.element(a,r$estimate[1]) > a<-table.element(a,r$sd[1]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'standard deviation',header=TRUE) > a<-table.element(a,r$estimate[2]) > a<-table.element(a,r$sd[2]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/2s9yv1194281216.tab") > > system("convert tmp/1xtdq1194281215.ps tmp/1xtdq1194281215.png") > > > proc.time() user system elapsed 1.183 0.239 1.260