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Author*Unverified author*
R Software Module--
Title produced by softwareMaximum-likelihood Fitting - Normal Distribution
Date of computationTue, 18 Dec 2012 17:08:43 -0500
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/Dec/18/t1355868531h8g4w32gcs2s8xx.htm/, Retrieved Thu, 28 Mar 2024 20:06:49 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=201698, Retrieved Thu, 28 Mar 2024 20:06:49 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact129
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] [E1M] [2012-10-15 16:47:56] [0883bf8f4217d775edf6393676d58a73]
-  M        [Maximum-likelihood Fitting - Normal Distribution] [] [2012-12-18 22:08:43] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataseries X:
23
24
22
24
27
27
24
23
27
28
27
24
25
24
20
26
23
23
20
24
23
18
23
26
26
23
22
20
25
22
23
25
23
22
24
25
17
20
23
20
24
24
28
25
25
18
17
22
25
26
19
25
21
13
25
26
25
25
21
24
21
25
20
23
28
23
28
24
18
20
28
21
25
18
21
22
24
15
28
23
26
20
22
26
23
21
26
23
27
19
22
25
25
25
19
25
22
20




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Sir Ronald Aylmer Fisher' @ fisher.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 & 2 seconds \tabularnewline
R Server & 'Sir Ronald Aylmer Fisher' @ fisher.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=201698&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]2 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Sir Ronald Aylmer Fisher' @ fisher.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=201698&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=201698&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Sir Ronald Aylmer Fisher' @ fisher.wessa.net







ParameterEstimated ValueStandard Deviation
mean23.10204081632650.302526428404267
standard deviation2.994858846179250.213918489012804

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
mean & 23.1020408163265 & 0.302526428404267 \tabularnewline
standard deviation & 2.99485884617925 & 0.213918489012804 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=201698&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]mean[/C][C]23.1020408163265[/C][C]0.302526428404267[/C][/ROW]
[ROW][C]standard deviation[/C][C]2.99485884617925[/C][C]0.213918489012804[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=201698&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=201698&T=1

As an alternative you can also use a QR Code:  

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

ParameterEstimated ValueStandard Deviation
mean23.10204081632650.302526428404267
standard deviation2.994858846179250.213918489012804



Parameters (Session):
par1 = 8 ; par2 = 20 ;
Parameters (R input):
par1 = 8 ; par2 = 20 ; par3 = ; par4 = ; par5 = ; par6 = ; par7 = ; par8 = ; par9 = ; par10 = ; par11 = ; par12 = ; par13 = ; par14 = ; par15 = ; par16 = ; par17 = ; par18 = ; par19 = ; par20 = ;
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')