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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_fitdistrnorm.wasp
Title produced by softwareMaximum-likelihood Fitting - Normal Distribution
Date of computationTue, 16 Oct 2012 07:37:48 -0400
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2012/Oct/16/t1350387478tk03btp30lni22x.htm/, Retrieved Mon, 20 Apr 2026 16:55:29 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=178605, Retrieved Mon, 20 Apr 2026 16:55:29 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact279

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Maximum-likelihood Fitting - Normal Distribution] [Intrinsic Motivat...] [2010-10-12 11:57:21] [b98453cac15ba1066b407e146608df68]
- R PD  [Maximum-likelihood Fitting - Normal Distribution] [WS3 - Question 3(1)] [2012-10-16 10:56:45] [ed1fdf85d7cd4cf9cd22a44dec7a2ab7]
-   PD    [Maximum-likelihood Fitting - Normal Distribution] [] [2012-10-16 11:32:23] [ed1fdf85d7cd4cf9cd22a44dec7a2ab7]
-    D      [Maximum-likelihood Fitting - Normal Distribution] [] [2012-10-16 11:35:11] [ed1fdf85d7cd4cf9cd22a44dec7a2ab7]
-    D          [Maximum-likelihood Fitting - Normal Distribution] [] [2012-10-16 11:37:48] [73032bb7ab3591a95ced5a483893ad29] [Current]
-    D            [Maximum-likelihood Fitting - Normal Distribution] [] [2012-10-16 11:39:07] [ed1fdf85d7cd4cf9cd22a44dec7a2ab7]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
5.75
5
5
5.25
6
5.5
5.75
5
6.25
5.75
6.75
6.75
5.5
6
6.25
5.5
7
7
6.75
6.25
4
7
5.25
6
6.75
3.5
3.5
6.75
5
5.25
5.5
5.25
3
5
6
4.75
7
5.75
6.75
5.5
6.75
6.5
5.5
5.25
4.75
6
4.75
6.5
5.5
7
5.25
5.75
7
2.5
6
5.25
5.25
6
6
6.25
6.25
5.75
5.25
4
4.25
6.25
6
5.75
6.25
5.75
7
6.5
5.5
4.75
6.5
4.5
4.5
6.25
6.75
3
3.75
5.25
5.75
5.5
5.25
6
6.75
5.5
7
6.5
2.5
4.75
5.5
5.25
6
6.25
5.25
5
5.25
6
5.75
4.5
6
6
4.75
5
4.5
5
6.75
5.75
6.5
5.75
4.25
5.25
6.25
5.75
6.75
6
5
6.75
5.25
6
5.25
3.75
6.25
6.25
5.5
6
5.25
5.5
5.75
5.5
5
5.75
6.25
5.75
5.5
6.25
6.5
5.5
6
6
6.25
5
6.5
5.25
6.5
5.25
5.5
4
6.5
7
4.5
6.25
5.75
5.25
5
6.25
5.5
5.25
4
4.5

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gertrude Mary Cox' @ cox.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 & 1 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=178605&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]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=178605&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=178605&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net






ParameterEstimated ValueStandard Deviation
mean5.598765432098770.0712674980816886
standard deviation0.9070871610917030.0503937311717613

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
mean & 5.59876543209877 & 0.0712674980816886 \tabularnewline
standard deviation & 0.907087161091703 & 0.0503937311717613 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=178605&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]mean[/C][C]5.59876543209877[/C][C]0.0712674980816886[/C][/ROW]
[ROW][C]standard deviation[/C][C]0.907087161091703[/C][C]0.0503937311717613[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=178605&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=178605&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:

ParameterEstimated ValueStandard Deviation
mean5.598765432098770.0712674980816886
standard deviation0.9070871610917030.0503937311717613


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
par1 = 8 ; par2 = 0 ;
R code (references can be found in the software module):
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
bitmap(file='test1.png')
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$estimate[2])^2),min(x),max(x),add=T)
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Parameter',1,TRUE)
a<-table.element(a,'Estimated Value',1,TRUE)
a<-table.element(a,'Standard Deviation',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'mean',header=TRUE)
a<-table.element(a,r$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='mytable.tab')