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Author's title

Author

*Unverified author*

R Software Module

rwasp_sdplot.wasp

Title produced by software

Standard Deviation Plot

Date of computation

Wed, 18 Feb 2015 17:19:21 +0000

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2015/Feb/18/t1424280085o97ncpp1y4pf9re.htm/, Retrieved Thu, 12 Feb 2026 00:04:55 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=277362, Retrieved Thu, 12 Feb 2026 00:04:55 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

430

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-       [Standard Deviation Plot] [UAH Global] [2015-02-18 17:19:21] [d41d8cd98f00b204e9800998ecf8427e] [Current]

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Dataseries X:

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Histogram

Boxplots

2009.08,0.20 
2009.16,0.13  
2009.25,0.09 
2009.33,0.08 
2009.42,0.00
2009.50,0.37 
2009.58,0.19 
2009.67,0.41 
2009.75,0.27
2009.83,0.39
2009.92,0.24
2010.00,0.56  
2010.08,0.54 
2010.16,0.57 
2010.25,0.40
2010.33,0.46
2010.42,0.38
2010.50,0.36
2010.58,0.38
2010.67,0.45
2010.75,0.3
2010.83,0.24
2010.92,0.16
2011.00,0.02  
2011.08,0.00 
2011.16,-0.09 
2011.25,0.08 
2011.33,0.10  
2011.42,0.26  
2011.50,0.37  
2011.58,0.31  
2011.67,0.30 
2011.75,0.09
2011.83,0.09 
2011.92,0.07 
2012.00,-0.14 
2012.08,-0.13
2012.16,0.03
2012.25,0.23 
2012.33,0.18 
2012.42,0.25
2012.5,0.15 
2012.58,0.21
2012.67,0.37
2012.75,0.37 
2012.83,0.31  
2012.92,0.24 
2013.00,0.51  
2013.08,0.20 
2013.16,0.20 
2013.25,0.11  
2013.33,0.08 
2013.42,0.29 
2013.50,0.17  
2013.58,0.15 
2013.67,0.37 
2013.75,0.29
2013.83,0.19 
2013.92,0.27
2014.00,0.30 
2014.08,0.18 
2014.16,0.17 
2014.25,0.19
2014.33,0.33
2014.42,0.31
2014.50,0.30
2014.58,0.20
2014.67,0.30
2014.57,0.37
2014.83,0.33 
2014.92,0.32
2015.00,0.36

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 seconds
R Server	'George Udny Yule' @ yule.wessa.net

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=277362&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=277362&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=277362&T=0

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	0 seconds
R Server	'George Udny Yule' @ yule.wessa.net

Parameters (Session):

par1 = 12 ;

Parameters (R input):

par1 = 12 ;

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

par1 <- as.numeric(par1)
(n <- length(x))
(np <- floor(n / par1))
arr <- array(NA,dim=c(par1,np+1))
ari <- array(0,dim=par1)
j <- 0
for (i in 1:n)
{
j = j + 1
ari[j] = ari[j] + 1
arr[j,ari[j]] <- x[i]
if (j == par1) j = 0
}
ari
arr
arr.sd <- array(NA,dim=par1)
arr.range <- array(NA,dim=par1)
arr.iqr <- array(NA,dim=par1)
for (j in 1:par1)
{
arr.sd[j] <- sqrt(var(arr[j,],na.rm=TRUE))
arr.range[j] <- max(arr[j,],na.rm=TRUE) - min(arr[j,],na.rm=TRUE)
arr.iqr[j] <- quantile(arr[j,],0.75,na.rm=TRUE) - quantile(arr[j,],0.25,na.rm=TRUE)
}
overall.sd <- sqrt(var(x))
overall.range <- max(x) - min(x)
overall.iqr <- quantile(x,0.75) - quantile(x,0.25)
bitmap(file='plot1.png')
plot(arr.sd,type='b',ylab='S.D.',main='Standard Deviation Plot',xlab='Periodic Index')
mtext(paste('# blocks = ',np))
abline(overall.sd,0)
dev.off()
bitmap(file='plot2.png')
plot(arr.range,type='b',ylab='range',main='Range Plot',xlab='Periodic Index')
mtext(paste('# blocks = ',np))
abline(overall.range,0)
dev.off()
bitmap(file='plot3.png')
plot(arr.iqr,type='b',ylab='IQR',main='Interquartile Range Plot',xlab='Periodic Index')
mtext(paste('# blocks = ',np))
abline(overall.iqr,0)
dev.off()
bitmap(file='plot4.png')
z <- data.frame(t(arr))
names(z) <- c(1:par1)
(boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries'))
dev.off()
bitmap(file='plot5.png')
z <- data.frame(arr)
names(z) <- c(1:np)
(boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks'))
dev.off()
bitmap(file='plot6.png')
z <- data.frame(cbind(arr.sd,arr.range,arr.iqr))
names(z) <- list('S.D.','Range','IQR')
(boxplot(z,notch=TRUE,col='grey',ylab='Overall Variability',main='Notched Box Plots'))
dev.off()

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Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code