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Author's title

Author

*Unverified author*

R Software Module

rwasp_fitdistrnorm.wasp

Title produced by software

Maximum-likelihood Fitting - Normal Distribution

Date of computation

Tue, 18 Dec 2007 13:13:47 -0700

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/2007/Dec/18/t1198007806ggf1nz4483u9f7l.htm/, Retrieved Sat, 04 May 2024 06:50:46 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=4595, Retrieved Sat, 04 May 2024 06:50:46 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

PNDRR

Estimated Impact

175

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

-       [Maximum-likelihood Fitting - Normal Distribution] [Paper - Normal di...] [2007-12-18 20:13:47] [e51d7ab0e549b3dc96ac85a81d9bd259] [Current]

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Dataseries X:

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1.74138367229942
-2.88580372001652
-3.00801521083293
5.35873352650856
-0.350197418097050
-4.44477983570422
-14.1704246279256
5.06291770302617
8.16317098727172
-6.63032011800066
-0.955084752066612
4.76580237731785
4.64634662056524
-3.37632197945722
-3.48596660066835
0.00318885841739619
-2.30873579009489
4.510676743397
3.86380235714235
-4.84743390386536
1.19326683102373
9.49359417425812
-5.7256091522179
-6.7409221436693
-8.37465970382766
2.41947579953488
2.51107146040831
2.31318281556092
-3.02118693681124
3.49111382410466
-5.27208657466297
-1.65652539783093
1.158900365591
3.29699796504326
5.45943755223924
-3.39089745529757
-3.24888068501405
-3.76725354399628
-1.01610429731824
-0.141686930225946
-2.40143497370904
3.01483128334767
-2.37153731174333
1.90350531137286
-3.75249259201867
-1.15949421149824
1.41625767699710
0.756276066572336
1.74232125798030
-2.82713799160403
2.91169906841461
-7.53666538846806
8.89398251304836
-1.48741996092416
3.26139630257603
-3.15021888842772
3.8905793816289
7.41906373843078
7.78286136215999
-3.77518512848798
0.0882557144562938
1.75385231671455
1.56061031268522
-1.4983198165646
4.36211820238709
2.31013654316626
-2.33448411305145
-1.40752353154939

Summary of compuational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	'Herman Ole Andreas Wold' @ 193.190.124.10:1001

\begin{tabular}{lllllllll}
\hline
Summary of compuational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 2 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ 193.190.124.10:1001 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=4595&T=0

[TABLE]
[ROW][C]Summary of compuational 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]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ 193.190.124.10:1001[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=4595&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=4595&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 compuational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	'Herman Ole Andreas Wold' @ 193.190.124.10:1001

Parameter	Estimated Value	Standard Deviation
mean	1.23364668664295e-16	0.536784812084508
standard deviation	4.42644095690351	0.379564180662902

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
mean & 1.23364668664295e-16 & 0.536784812084508 \tabularnewline
standard deviation & 4.42644095690351 & 0.379564180662902 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=4595&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]mean[/C][C]1.23364668664295e-16[/C][C]0.536784812084508[/C][/ROW]
[ROW][C]standard deviation[/C][C]4.42644095690351[/C][C]0.379564180662902[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=4595&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=4595&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	1.23364668664295e-16	0.536784812084508
standard deviation	4.42644095690351	0.379564180662902

Figure 1

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 8 ; par2 = 8 ;

Parameters (R input):

par1 = 8 ; par2 = 6 ;

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')

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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