R version 2.9.0 (2009-04-17) Copyright (C) 2009 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(124.06,124.58,122.00,124.02,124.16,124.29,123.93,124.62,121.81,124.14,124.31,125.15,125.35,125.48,124.17,125.33,124.46,123.39,123.14,122.24,119.31,120.87,120.43,119.41,118.85,119.08,117.25,118.51,118.42,118.56,117.97,117.98,115.25,117.23,117.08,116.83,117.17,117.73,115.74,116.99,116.90,116.49,115.84,115.92,113.32,114.84,114.75,114.84,115.03,115.03,112.99,114.15,113.77,113.57,113.38,112.71,110.27,111.73,112.12,112.31,111.73,111.83,109.99,111.15,111.25,110.87,110.27,110.18,108.15,109.60,109.60,109.41,109.80,109.60,107.76,109.02,108.62,109.02,109.22,108.92,106.69,107.76,107.66,107.85,107.95,107.85,106.30,107.37,107.66,107.46,107.37,107.18,105.43,106.39,106.50,106.50,106.69,106.50,105.14,106.50,106.20,105.72,104.76,104.55,102.71,104.36,104.65,104.46,104.65,103.88,102.32,103.39,103.00,102.71,102.51,102.04,100.00) > 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: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > library(MASS) > par1 <- as.numeric(par1) > if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2) > x <- as.ts(x) #otherwise the fitdistr function does not work properly > r <- fitdistr(x,'normal') > r mean sd 112.9735043 6.9043347 ( 0.6383060) ( 0.4513505) > postscript(file="/var/www/html/rcomp/tmp/134b51257771520.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F) > curve(1/(r$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 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > 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/227181257771521.tab") > > system("convert tmp/134b51257771520.ps tmp/134b51257771520.png") > > > proc.time() user system elapsed 0.403 0.159 0.479