R version 2.7.2 (2008-08-25) Copyright (C) 2008 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(3202.1,3650.2,2805.1,3957.5,3941.3,3905.4,3546.9,3208.7,3402,3661.1,3073.9,3419.2,3532.8,3693.1,2622.9,3130.8,3487.5,3349.7,3044.2,3266,3351.5,3606.8,3419.5,3829.5,3505.1,3845.3,2566.6,3658.5,3954,3460.1,3454.1,3412.8,3418,3349.5,3423.4,3242.8,3277.2,3833,2606.3,3643.8,3686.4,3281.6,3669.3,3191.5,3512.7,3970.7,3601.2,3610,4172.1,3956.2,3142.7,3884.3,3892.2,3613,3730.5,3481.3,3649.5,4215.2,4066.6,4196.8,4536.6,4441.6,3548.3,4735.9,4130.6,4356.2,4159.6,3988,4167.8,4902.2,3909.4,4697.6,4308.9,4420.4,3544.2,4433,4479.7,4533.2,4237.5,4207.4,4394,5148.4,4202.2,4682.5,4884.3,5288.9,4505.2,4611.5,5081.1,4523.1,4412.8,4647.4,4778.6,4495.3,4633.5,4360.5,4517.9) > 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > library(MASS) > par1 <- as.numeric(par1) > if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2) > x <- as.ts(x) #otherwise the fitdistr function does not work properly > r <- fitdistr(x,'normal') > r mean sd 3878.21959 584.53676 ( 59.35072) ( 41.96729) > postscript(file="/var/www/html/rcomp/tmp/1bcxu1226417644.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F) > curve(1/(r$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/2jpnb1226417644.tab") > > system("convert tmp/1bcxu1226417644.ps tmp/1bcxu1226417644.png") > > > proc.time() user system elapsed 0.615 0.174 1.400