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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_smp.wasp
Title produced by softwareStandard Deviation-Mean Plot
Date of computationWed, 07 Dec 2016 12:56:28 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2016/Dec/07/t1481112989ujvj2b00u4z49hl.htm/, Retrieved Fri, 01 Nov 2024 03:28:02 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=298035, Retrieved Fri, 01 Nov 2024 03:28:02 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact71

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Standard Deviation-Mean Plot] [Standard Deviatio...] [2016-12-07 11:56:28] [cf891dd8f76140334edd84f5996aae27] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
588.55
930.75
3228.65
2268.55
2414.5
3305.25
4342.05
3198.75
3091.35
3993.05
5331.5
3814.65
3707.6
4513.6
5634.2
4344.4
4060
4530.35
5348.75
4504.9
4281.35
4423.45
5197.9
4883.9
4155.25
4415.75
5384.05
5153.8
4564.1
5545
7585.4
6252.2
5785.65
6664.95
8639.85
6841.35

Tables (Output of Computation)





Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time1 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298035&T=0

[TABLE]
[ROW]
Summary of computational transaction[/C][/ROW] [ROW]Raw Input[/C] view raw input (R code) [/C][/ROW] [ROW]Raw Output[/C]view raw output of R engine [/C][/ROW] [ROW]Computing time[/C]1 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=298035&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298035&T=0

As an alternative you can also use a QR Code:  
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 Outputview raw output of R engine
Computing time1 seconds
R ServerBig Analytics Cloud Computing Center






Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
13042.31349.523238541544742.95
24619.2553.6025059060471926.6
35915.61251346.161497323044484.6

\begin{tabular}{lllllllll}
\hline
Standard Deviation-Mean Plot \tabularnewline
Section & Mean & Standard Deviation & Range \tabularnewline
1 & 3042.3 & 1349.52323854154 & 4742.95 \tabularnewline
2 & 4619.2 & 553.602505906047 & 1926.6 \tabularnewline
3 & 5915.6125 & 1346.16149732304 & 4484.6 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298035&T=1

[TABLE]
[ROW][C]Standard Deviation-Mean Plot[/C][/ROW]
[ROW][C]Section[/C][C]Mean[/C][C]Standard Deviation[/C][C]Range[/C][/ROW]
[ROW][C]1[/C][C]3042.3[/C][C]1349.52323854154[/C][C]4742.95[/C][/ROW]
[ROW][C]2[/C][C]4619.2[/C][C]553.602505906047[/C][C]1926.6[/C][/ROW]
[ROW][C]3[/C][C]5915.6125[/C][C]1346.16149732304[/C][C]4484.6[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298035&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298035&T=1

As an alternative you can also use a QR Code:  
QR Code


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

Standard Deviation-Mean Plot
SectionMeanStandard DeviationRange
13042.31349.523238541544742.95
24619.2553.6025059060471926.6
35915.61251346.161497323044484.6






Regression: S.E.(k) = alpha + beta * Mean(k)
alpha1169.52933088155
beta-0.019098372417112
S.D.0.318105467039055
T-STAT-0.0600378628977388
p-value0.961824533777465

\begin{tabular}{lllllllll}
\hline
Regression: S.E.(k) = alpha + beta * Mean(k) \tabularnewline
alpha & 1169.52933088155 \tabularnewline
beta & -0.019098372417112 \tabularnewline
S.D. & 0.318105467039055 \tabularnewline
T-STAT & -0.0600378628977388 \tabularnewline
p-value & 0.961824533777465 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298035&T=2

[TABLE]
[ROW][C]Regression: S.E.(k) = alpha + beta * Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]1169.52933088155[/C][/ROW]
[ROW][C]beta[/C][C]-0.019098372417112[/C][/ROW]
[ROW][C]S.D.[/C][C]0.318105467039055[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.0600378628977388[/C][/ROW]
[ROW][C]p-value[/C][C]0.961824533777465[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298035&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298035&T=2

As an alternative you can also use a QR Code:  
QR Code


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

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha1169.52933088155
beta-0.019098372417112
S.D.0.318105467039055
T-STAT-0.0600378628977388
p-value0.961824533777465






Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha8.81350705592006
beta-0.227156542494976
S.D.1.5115330379764
T-STAT-0.150282221286468
p-value0.905038008639782
Lambda1.22715654249498

\begin{tabular}{lllllllll}
\hline
Regression: ln S.E.(k) = alpha + beta * ln Mean(k) \tabularnewline
alpha & 8.81350705592006 \tabularnewline
beta & -0.227156542494976 \tabularnewline
S.D. & 1.5115330379764 \tabularnewline
T-STAT & -0.150282221286468 \tabularnewline
p-value & 0.905038008639782 \tabularnewline
Lambda & 1.22715654249498 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=298035&T=3

[TABLE]
[ROW][C]Regression: ln S.E.(k) = alpha + beta * ln Mean(k)[/C][/ROW]
[ROW][C]alpha[/C][C]8.81350705592006[/C][/ROW]
[ROW][C]beta[/C][C]-0.227156542494976[/C][/ROW]
[ROW][C]S.D.[/C][C]1.5115330379764[/C][/ROW]
[ROW][C]T-STAT[/C][C]-0.150282221286468[/C][/ROW]
[ROW][C]p-value[/C][C]0.905038008639782[/C][/ROW]
[ROW][C]Lambda[/C][C]1.22715654249498[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=298035&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=298035&T=3

As an alternative you can also use a QR Code:  
QR Code


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

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha8.81350705592006
beta-0.227156542494976
S.D.1.5115330379764
T-STAT-0.150282221286468
p-value0.905038008639782
Lambda1.22715654249498


Figures (Output of Computation)

Input Parameters & R Code

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))
j <- 0
k <- 1
for (i in 1:(np*par1))
{
j = j + 1
arr[j,k] <- x[i]
if (j == par1) {
j = 0
k=k+1
}
}
arr
arr.mean <- array(NA,dim=np)
arr.sd <- array(NA,dim=np)
arr.range <- array(NA,dim=np)
for (j in 1:np)
{
arr.mean[j] <- mean(arr[,j],na.rm=TRUE)
arr.sd[j] <- sd(arr[,j],na.rm=TRUE)
arr.range[j] <- max(arr[,j],na.rm=TRUE) - min(arr[,j],na.rm=TRUE)
}
arr.mean
arr.sd
arr.range
(lm1 <- lm(arr.sd~arr.mean))
(lnlm1 <- lm(log(arr.sd)~log(arr.mean)))
(lm2 <- lm(arr.range~arr.mean))
bitmap(file='test1.png')
plot(arr.mean,arr.sd,main='Standard Deviation-Mean Plot',xlab='mean',ylab='standard deviation')
dev.off()
bitmap(file='test2.png')
plot(arr.mean,arr.range,main='Range-Mean Plot',xlab='mean',ylab='range')
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Standard Deviation-Mean Plot',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Section',header=TRUE)
a<-table.element(a,'Mean',header=TRUE)
a<-table.element(a,'Standard Deviation',header=TRUE)
a<-table.element(a,'Range',header=TRUE)
a<-table.row.end(a)
for (j in 1:np) {
a<-table.row.start(a)
a<-table.element(a,j,header=TRUE)
a<-table.element(a,arr.mean[j])
a<-table.element(a,arr.sd[j] )
a<-table.element(a,arr.range[j] )
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Regression: S.E.(k) = alpha + beta * Mean(k)',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'alpha',header=TRUE)
a<-table.element(a,lm1$coefficients[[1]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'beta',header=TRUE)
a<-table.element(a,lm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'S.D.',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,2])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,3])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value',header=TRUE)
a<-table.element(a,summary(lm1)$coefficients[2,4])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable1.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Regression: ln S.E.(k) = alpha + beta * ln Mean(k)',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'alpha',header=TRUE)
a<-table.element(a,lnlm1$coefficients[[1]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'beta',header=TRUE)
a<-table.element(a,lnlm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'S.D.',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,2])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,3])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'p-value',header=TRUE)
a<-table.element(a,summary(lnlm1)$coefficients[2,4])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Lambda',header=TRUE)
a<-table.element(a,1-lnlm1$coefficients[[2]])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable2.tab')