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Author's title

Author

*Unverified author*

R Software Module

rwasp_fitdistrnorm.wasp

Title produced by software

ML Fitting and QQ Plot- Normal Distribution

Date of computation

Sat, 07 Nov 2015 16:09:05 +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/Nov/07/t14469126208t1fe36zegb1t8v.htm/, Retrieved Tue, 14 May 2024 19:20:13 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=283235, Retrieved Tue, 14 May 2024 19:20:13 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

146

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

-       [ML Fitting and QQ Plot- Normal Distribution] [Chapter 3 - Task 3] [2015-11-07 16:09:05] [d41d8cd98f00b204e9800998ecf8427e] [Current]
- R  D    [ML Fitting and QQ Plot- Normal Distribution] [Chapter 3 - Task ...] [2015-11-07 16:44:50] [e7b69f276c668efa4454b31fcaf26444] 

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Dataseries X:

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Histogram

Boxplots

0.2199069538
-0.4357886071
2.374614187
1.011120303
-0.970742772
2.919724518
0.8720417458
-0.6232293203
0.4613537883
0.4600836703
-0.5508164756
-0.1665505329
1.051373877
1.971136589
0.2803212394
0.02768159779
0.4557517002
-0.6314369857
0.5091990304
2.777388972
-0.4021917857
1.355223708
-1.456909162
2.127677063
-0.3897440895
1.375383905
-1.856257352
-0.2965043485
-0.4254212827
0.865811949
-0.6848098822
0.3591751432
1.05728693
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-1.011549334
1.124837625
1.443047181
-1.44822171
-1.496908737
1.449683208
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0.999506838
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0.1300755225
1.002206278
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0.04461585686
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Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	4 seconds
R Server	'Herman Ole Andreas Wold' @ wold.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 & 4 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=283235&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]4 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=283235&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=283235&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	4 seconds
R Server	'Herman Ole Andreas Wold' @ wold.wessa.net

Parameter	Estimated Value	Standard Deviation
mean	0.0416453920621333	0.0919487838628161
standard deviation	1.12613801466678	0.0650176085912535

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
mean & 0.0416453920621333 & 0.0919487838628161 \tabularnewline
standard deviation & 1.12613801466678 & 0.0650176085912535 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=283235&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]mean[/C][C]0.0416453920621333[/C][C]0.0919487838628161[/C][/ROW]
[ROW][C]standard deviation[/C][C]1.12613801466678[/C][C]0.0650176085912535[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=283235&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=283235&T=1

As an alternative you can also use a QR Code:

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

Parameter	Estimated Value	Standard Deviation
mean	0.0416453920621333	0.0919487838628161
standard deviation	1.12613801466678	0.0650176085912535

Figure 1

PNG link

Postscript link

PDF link

Figure 2

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 8 ; par2 = 0 ;

Parameters (R input):

par1 = 8 ; par2 = 0 ;

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

library(MASS)
library(car)
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$estimate[2])^2),min(x),max(x),add=T)
dev.off()
bitmap(file='test3.png')
qqPlot(x,dist='norm',main='QQ plot (Normal) with confidence intervals')
grid()
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Parameter',1,TRUE)
a<-table.element(a,'Estimated Value',1,TRUE)
a<-table.element(a,'Standard Deviation',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'mean',header=TRUE)
a<-table.element(a,r$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')

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Figures (Output of Computation)

Input Parameters & R Code