FreeStatistics.org

Free Statistics

of Irreproducible Research!

Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_fitdistrchisq1.wasp
Title produced by softwareMaximum-likelihood Fitting - Chi-squared Distribution
Date of computationSun, 08 Nov 2015 15:57:11 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2015/Nov/08/t1446998253s6vs68rmebjnlnq.htm/, Retrieved Tue, 14 May 2024 18:24:57 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=283256, Retrieved Tue, 14 May 2024 18:24:57 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact167

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 - Chi-squared Distribution] [] [2015-09-28 10:58:17] [32b17a345b130fdf5cc88718ed94a974]
-   PD    [Maximum-likelihood Fitting - Chi-squared Distribution] [tk 6 h3] [2015-11-08 15:57:11] [f0540685e8d53548e4baf07e0669deea] [Current]
Feedback Forum

Post a new message

Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
0.3161301156
0.6078782729
0.5807415964
0.04478256614
0.6153942423
0.5124572554
0.8763627375
0.5864659851
0.6739818082
0.9965267168
0.8854597702
0.9898681595
0.5224891355
0.5630557686
0.9934985442
0.02713052156
0.1503894108
0.6209043376
0.4596013467
0.1372563126
0.887349773
0.7772728983
0.3388797929
0.6970761439
0.741579788
0.9621838237
0.1117987729
0.8742447849
0.195211008
0.8849938098
0.520571733
0.5622692445
0.9567078596
0.3229375306
0.1125871615
0.8975680948
0.1703098689
0.7417026203
0.9908663936
0.8585621178
0.5825049468
0.7480359165
0.2715526375
0.4467960157
0.1655341164
0.8743808061
0.7484311841
0.9500915928
0.6979273152
0.1955460413
0.2644808975
0.7877320015
0.8020705945
0.2774055992
0.2904570985
0.4376773408
0.9388044983
0.9576299355
0.2105054746
0.9458115564
0.859053675
0.4584484474
0.8148073839
0.5172204111
0.01248780326
0.3314431211
0.4992563193
0.6895008461
0.4132137057
0.7343734927
0.6721657961
0.5881015761
0.4624987616
0.5400329135
0.8680082064
0.7636949113
0.2285254777
0.7771359343
0.06818518653
0.1115798292
0.6831774781
0.9032370246
0.7288291001
0.3731162719
0.3958565913
0.4096805296
0.01563581011
0.7191907829
0.1843312229
0.2585818574
0.745728687
0.9157132962
0.222615975
0.6518399645
0.5365538747
0.5711452035
0.1058826543
0.6321810266
0.6618067788
0.9660586642
0.3724022596
0.01623337691
0.1143898863
0.9647272675
0.9825184772
0.15963378
0.3764017186
0.5087477589
0.2546522596
0.05416476412
0.3961571164
0.1926931785
0.7583377483
0.2569234079
0.272238806
0.4217971817
0.6642893994
0.151521335
0.144580104
0.6516695351
0.05150033355
0.04131574574
0.7925788894
0.2100430916
0.6713720831
0.5746720591
0.4402429663
0.2005517323
0.6688753694
0.002257516827
0.2683665603
0.988539728
0.7607422771
0.7663661005
0.1337379674
0.7689024107
0.370689683
0.9222748573
0.9953787681
0.715957847
0.2216738426
0.8916311661
0.5478138818
0.2153499998
0.8851762463
0.04787165125
0.5613732304
0.6779830424
0.7875209169

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time3 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 & 3 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=283256&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]3 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=283256&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=283256&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 time3 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net






ParameterEstimated ValueStandard Deviation
df1.1540555212720.0831991435744873

\begin{tabular}{lllllllll}
\hline
Parameter & Estimated Value & Standard Deviation \tabularnewline
df & 1.154055521272 & 0.0831991435744873 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=283256&T=1

[TABLE]
[ROW][C]Parameter[/C][C]Estimated Value[/C][C]Standard Deviation[/C][/ROW]
[ROW][C]df[/C][C]1.154055521272[/C][C]0.0831991435744873[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=283256&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=283256&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
df1.1540555212720.0831991435744873


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
R code (references can be found in the software module):
library(MASS)
library(car)
chii <- x
chi_df <- fitdistr(chii,'chi-squared',start=list(df=3), method='Brent',lower=0.1,upper=100)
chi_k <- chi_df[[1]][1]
bitmap(file='test1.png')
chi_hist <- hist(chii,breaks=50,col='gray',freq=FALSE,main='Histogram scaled to density',xlab='x')
curve(dchisq(x,df=chi_k),add=TRUE,col='red')
dev.off()
f<-chi_df
f$estimate
f$sd
xlab <- paste('Chisq(df = ',round(f$estimate[[1]],2),sep='')
xlab <- paste(xlab,')',sep='')
xlab
bitmap(file='test2.png')
qqPlot(x, dist='chisq', df=f$estimate[[1]], ncp=0, main='QQ plot (Chi-squared 1 param.)', xlab=xlab )
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,'df',header=TRUE)
a<-table.element(a,f$estimate[1])
a<-table.element(a,f$sd[1])
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')