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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_One Factor ANOVA.wasp
Title produced by softwareOne-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)
Date of computationFri, 29 Oct 2010 13:36:42 +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/2010/Oct/29/t1288359306shjdebwaiu5vvm0.htm/, Retrieved Sun, 28 Apr 2024 10:29:19 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=90100, Retrieved Sun, 28 Apr 2024 10:29:19 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact219

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Workshop 5 - Ques...] [2010-10-29 13:26:30] [1429a1a14191a86916b95357f6de790b]
-   P     [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Workshop 5 - Ques...] [2010-10-29 13:36:42] [e192c8164fa91adb027f71579ac0a49a] [Current]
-   PD      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [vraag 6 korte ter...] [2010-10-30 15:30:16] [65eb19f81eab2b6e672eafaed2a27190]
-   PD        [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 vraag 7 korte...] [2010-10-30 15:36:22] [65eb19f81eab2b6e672eafaed2a27190]
-   PD          [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 vraag 7 lange...] [2010-10-30 15:57:31] [65eb19f81eab2b6e672eafaed2a27190]
- RMPD          [Two-Way ANOVA] [WS5 vraag 8] [2010-10-30 16:00:47] [65eb19f81eab2b6e672eafaed2a27190]
-   PD      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [vraag 6 lange ter...] [2010-10-30 15:32:47] [65eb19f81eab2b6e672eafaed2a27190]
-   P       [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [workshop 5.1 ques...] [2010-11-01 13:58:40] [6ff9fb24bdca608d2f4f1f9db3f6445e]
F   PD        [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Short Term (1-way...] [2010-11-02 14:59:48] [abf4ff90b26c6b37be4a30063b404639]
F   PD        [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Long Term] [2010-11-02 15:04:54] [abf4ff90b26c6b37be4a30063b404639]
- R         [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Question 6 (korte...] [2010-11-02 22:33:22] [b20a509e36241371274681d9edf773da]
-           [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 question 6] [2011-10-26 17:30:44] [3dd791303389e75e672968b227170a72]
-           [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS 5 Question 6] [2011-11-08 16:32:24] [ae1339cb5a7cf28362d01e7220b4a16c]
-    D      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 Question 6 Long] [2011-11-08 16:36:46] [ae1339cb5a7cf28362d01e7220b4a16c]
-    D      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 Question 7 Short] [2011-11-08 16:42:37] [ae1339cb5a7cf28362d01e7220b4a16c]
-    D      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 Question 7 Long] [2011-11-08 16:44:49] [ae1339cb5a7cf28362d01e7220b4a16c]
-   PD      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 Question 7 Sh...] [2011-11-08 16:47:06] [ae1339cb5a7cf28362d01e7220b4a16c]
-   P       [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [] [2011-11-08 17:03:14] [e21b9c93af4eb9605ecfaf58a559e5ab]
-   P       [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [Workshop 5 - Q6 KT] [2011-11-08 22:27:19] [805a2cd4f7b6665cd8870eed4006f53c]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
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Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135

\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 & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=90100&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]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=90100&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=90100&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 time2 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






ANOVA Model
Response ~ Treatment
means0.364-0.306-0.256

\begin{tabular}{lllllllll}
\hline
ANOVA Model \tabularnewline
Response  ~  Treatment \tabularnewline
means & 0.364 & -0.306 & -0.256 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=90100&T=1

[TABLE]
[ROW][C]ANOVA Model[/C][/ROW]
[ROW][C]Response  ~  Treatment[/C][/ROW]
[ROW][C]means[/C][C]0.364[/C][C]-0.306[/C][C]-0.256[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=90100&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=90100&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:

ANOVA Model
Response ~ Treatment
means0.364-0.306-0.256






ANOVA Statistics
DfSum SqMean SqF valuePr(>F)
Treatment21.8250.9123.1990.045
Residuals10229.090.285 

\begin{tabular}{lllllllll}
\hline
ANOVA Statistics \tabularnewline
  & Df & Sum Sq & Mean Sq & F value & Pr(>F) \tabularnewline
Treatment & 2 & 1.825 & 0.912 & 3.199 & 0.045 \tabularnewline
Residuals & 102 & 29.09 & 0.285 &   &   \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=90100&T=2

[TABLE]
[ROW][C]ANOVA Statistics[/C][/ROW]
[ROW][C] [/C][C]Df[/C][C]Sum Sq[/C][C]Mean Sq[/C][C]F value[/C][C]Pr(>F)[/C][/ROW]
[ROW][C]Treatment[/C][C]2[/C][C]1.825[/C][C]0.912[/C][C]3.199[/C][C]0.045[/C][/ROW]
[ROW][C]Residuals[/C][C]102[/C][C]29.09[/C][C]0.285[/C][C] [/C][C] [/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=90100&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=90100&T=2

As an alternative you can also use a QR Code:  
QR Code


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

ANOVA Statistics
DfSum SqMean SqF valuePr(>F)
Treatment21.8250.9123.1990.045
Residuals10229.090.285






Tukey Honest Significant Difference Comparisons
difflwruprp adj
S-E-0.306-0.6150.0020.052
T-E-0.256-0.560.0490.118
T-S0.051-0.2490.350.914

\begin{tabular}{lllllllll}
\hline
Tukey Honest Significant Difference Comparisons \tabularnewline
  & diff & lwr & upr & p adj \tabularnewline
S-E & -0.306 & -0.615 & 0.002 & 0.052 \tabularnewline
T-E & -0.256 & -0.56 & 0.049 & 0.118 \tabularnewline
T-S & 0.051 & -0.249 & 0.35 & 0.914 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=90100&T=3

[TABLE]
[ROW][C]Tukey Honest Significant Difference Comparisons[/C][/ROW]
[ROW][C] [/C][C]diff[/C][C]lwr[/C][C]upr[/C][C]p adj[/C][/ROW]
[ROW][C]S-E[/C][C]-0.306[/C][C]-0.615[/C][C]0.002[/C][C]0.052[/C][/ROW]
[ROW][C]T-E[/C][C]-0.256[/C][C]-0.56[/C][C]0.049[/C][C]0.118[/C][/ROW]
[ROW][C]T-S[/C][C]0.051[/C][C]-0.249[/C][C]0.35[/C][C]0.914[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=90100&T=3

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=90100&T=3

As an alternative you can also use a QR Code:  
QR Code


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

Tukey Honest Significant Difference Comparisons
difflwruprp adj
S-E-0.306-0.6150.0020.052
T-E-0.256-0.560.0490.118
T-S0.051-0.2490.350.914






Levenes Test for Homogeneity of Variance
DfF valuePr(>F)
Group21.110.334
102 

\begin{tabular}{lllllllll}
\hline
Levenes Test for Homogeneity of Variance \tabularnewline
  & Df & F value & Pr(>F) \tabularnewline
Group & 2 & 1.11 & 0.334 \tabularnewline
  & 102 &   &   \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=90100&T=4

[TABLE]
[ROW][C]Levenes Test for Homogeneity of Variance[/C][/ROW]
[ROW][C] [/C][C]Df[/C][C]F value[/C][C]Pr(>F)[/C][/ROW]
[ROW][C]Group[/C][C]2[/C][C]1.11[/C][C]0.334[/C][/ROW]
[ROW][C] [/C][C]102[/C][C] [/C][C] [/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=90100&T=4

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=90100&T=4

As an alternative you can also use a QR Code:  
QR Code


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

Levenes Test for Homogeneity of Variance
DfF valuePr(>F)
Group21.110.334
102


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 1 ; par2 = 2 ; par3 = TRUE ;
Parameters (R input):
par1 = 1 ; par2 = 2 ; par3 = TRUE ;
R code (references can be found in the software module):
cat1 <- as.numeric(par1) #
cat2<- as.numeric(par2) #
intercept<-as.logical(par3)
x <- t(x)
x1<-as.numeric(x[,cat1])
f1<-as.character(x[,cat2])
xdf<-data.frame(x1,f1)
(V1<-dimnames(y)[[1]][cat1])
(V2<-dimnames(y)[[1]][cat2])
names(xdf)<-c('Response', 'Treatment')
if(intercept == FALSE) (lmxdf<-lm(Response ~ Treatment - 1, data = xdf) ) else (lmxdf<-lm(Response ~ Treatment, data = xdf) )
(aov.xdf<-aov(lmxdf) )
(anova.xdf<-anova(lmxdf) )
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'ANOVA Model', length(lmxdf$coefficients)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, paste(V1, ' ~ ', V2), length(lmxdf$coefficients)+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, 'means',,TRUE)
for(i in 1:length(lmxdf$coefficients)){
a<-table.element(a, round(lmxdf$coefficients[i], digits=3),,FALSE)
}
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'ANOVA Statistics', 5+1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, ' ',,TRUE)
a<-table.element(a, 'Df',,FALSE)
a<-table.element(a, 'Sum Sq',,FALSE)
a<-table.element(a, 'Mean Sq',,FALSE)
a<-table.element(a, 'F value',,FALSE)
a<-table.element(a, 'Pr(>F)',,FALSE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, V2,,TRUE)
a<-table.element(a, anova.xdf$Df[1],,FALSE)
a<-table.element(a, round(anova.xdf$'Sum Sq'[1], digits=3),,FALSE)
a<-table.element(a, round(anova.xdf$'Mean Sq'[1], digits=3),,FALSE)
a<-table.element(a, round(anova.xdf$'F value'[1], digits=3),,FALSE)
a<-table.element(a, round(anova.xdf$'Pr(>F)'[1], digits=3),,FALSE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, 'Residuals',,TRUE)
a<-table.element(a, anova.xdf$Df[2],,FALSE)
a<-table.element(a, round(anova.xdf$'Sum Sq'[2], digits=3),,FALSE)
a<-table.element(a, round(anova.xdf$'Mean Sq'[2], digits=3),,FALSE)
a<-table.element(a, ' ',,FALSE)
a<-table.element(a, ' ',,FALSE)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable1.tab')
bitmap(file='anovaplot.png')
boxplot(Response ~ Treatment, data=xdf, xlab=V2, ylab=V1)
dev.off()
if(intercept==TRUE){
thsd<-TukeyHSD(aov.xdf)
bitmap(file='TukeyHSDPlot.png')
plot(thsd)
dev.off()
}
if(intercept==TRUE){
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Tukey Honest Significant Difference Comparisons', 5,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a, ' ', 1, TRUE)
for(i in 1:4){
a<-table.element(a,colnames(thsd[[1]])[i], 1, TRUE)
}
a<-table.row.end(a)
for(i in 1:length(rownames(thsd[[1]]))){
a<-table.row.start(a)
a<-table.element(a,rownames(thsd[[1]])[i], 1, TRUE)
for(j in 1:4){
a<-table.element(a,round(thsd[[1]][i,j], digits=3), 1, FALSE)
}
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable2.tab')
}
if(intercept==FALSE){
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'TukeyHSD Message', 1,TRUE)
a<-table.row.end(a)
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Must Include Intercept to use Tukey Test ', 1, FALSE)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable2.tab')
}
library(car)
lt.lmxdf<-levene.test(lmxdf)
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Levenes Test for Homogeneity of Variance', 4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,' ', 1, TRUE)
for (i in 1:3){
a<-table.element(a,names(lt.lmxdf)[i], 1, FALSE)
}
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Group', 1, TRUE)
for (i in 1:3){
a<-table.element(a,round(lt.lmxdf[[i]][1], digits=3), 1, FALSE)
}
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,' ', 1, TRUE)
a<-table.element(a,lt.lmxdf[[1]][2], 1, FALSE)
a<-table.element(a,' ', 1, FALSE)
a<-table.element(a,' ', 1, FALSE)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable3.tab')