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WS 3 Y*X gaus

*The author of this computation has been verified*

R Software Module: rwasp_meanversusmedian.wasp (opens new window with default values)

Title produced by software: Mean versus Median

Date of computation: Fri, 16 Oct 2009 08:43:26 -0600

Cite this page as follows:

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2009/Oct/16/t1255704374wyvl0fwpkcankhm.htm/, Retrieved Fri, 16 Oct 2009 16:46:14 +0200

BibTeX entries for LaTeX users:

@Manual{KEY,
    author = {{YOUR NAME}},
    publisher = {Office for Research Development and Education},
    title = {Statistical Computations at FreeStatistics.org, URL http://www.freestatistics.org/blog/date/2009/Oct/16/t1255704374wyvl0fwpkcankhm.htm/},
    year = {2009},
}
@Manual{R,
    title = {R: A Language and Environment for Statistical Computing},
    author = {{R Development Core Team}},
    organization = {R Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2009},
    note = {{ISBN} 3-900051-07-0},
    url = {http://www.R-project.org},
}

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords:

Dataseries X:

» Textbox « » Textfile « » CSV «

881,2412655 829,3840119 798,245268 860,679742 943,0594116 765,7904298 937,9587876 891,4824678 998,9762094 950,26668 950,818554 1003,009767 860,9661704 923,5955421 916,1714272 949,9833665 988,8452288 946,8919944 984,6924692 978,649437 1117,149061 854,0713256 1044,938733 960,11217 884,6545329 931,3303455 894,2625903 1089,305419 1034,156547 1008,949251 949,7055648 924,1641224 1034,0468 1004,545776 1128,755463 1011,305803 1009,571733 820,6931964 948,5830077 1061,771074 964,8048 858,6926512 824,8851512 716,525568 931,7342515 971,9671671 981,8002545 1103,17256 1148,573047 1028,97457 1298,539846 1096,215765 1071,682067 1215,565735 886,2840744 927,52071 979,8538375 784,032183 736,5133824 842,7949725

Output produced by software:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	'RServer@AstonUniversity' @ vre.aston.ac.uk

Median versus Mean
mean	957.381888985
median	950.12502325

Charts produced by software:

http://www.freestatistics.org/blog/date/2009/Oct/16/t1255704374wyvl0fwpkcankhm/1gkm11255704203.png (open in new window)

http://www.freestatistics.org/blog/date/2009/Oct/16/t1255704374wyvl0fwpkcankhm/1gkm11255704203.ps (open in new window)

Parameters (Session):

Parameters (R input):

R code (references can be found in the software module):

library(Hmisc)

m <- mean(x)

e <- median(x)

bitmap(file='test1.png')

op <- par(mfrow=c(2,1))

mydensity1 <- density(x,kernel='gaussian',na.rm=TRUE)

plot(mydensity1,main='Density Plot - Gaussian Kernel',xlab='Median (0 -> full line) | Mean (0 -> dashed line)',ylab='density')

abline(v=e,lty=1)

abline(v=m,lty=5)

grid()

myseq <- seq(0.01, 0.99, 0.01)

hd <- hdquantile(x, probs = myseq, se = TRUE, na.rm = FALSE, names = TRUE, weights=FALSE)

plot(myseq,hd,col=2,main='Harrell-Davis Quantiles',xlab='quantiles',ylab='Median (0 -> full) | Mean (0 -> dashed)')

abline(h=m,lty=5)

abline(h=e,lty=1)

grid()

par(op)

dev.off()

load(file='createtable')

a<-table.start()

a<-table.row.start(a)

a<-table.element(a,'Median versus Mean',2,TRUE)

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'mean',header=TRUE)

a<-table.element(a,mean(x))

a<-table.row.end(a)

a<-table.row.start(a)

a<-table.element(a,'median',header=TRUE)

a<-table.element(a,median(x))

a<-table.row.end(a)

a<-table.end(a)

table.save(a,file='mytable.tab')

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Software written by Ed van Stee & Patrick Wessa

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