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Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_Tests to Compare Two Means.wasp
Title produced by softwareT-Tests
Date of computationWed, 02 Jun 2010 10:09:32 +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/Jun/02/t1275473392n72bfbd7db5b27y.htm/, Retrieved Thu, 28 Mar 2024 18:01:53 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=77146, Retrieved Thu, 28 Mar 2024 18:01:53 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact195
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Variability] [Pregnancy and Cog...] [2009-10-28 21:14:02] [98fd0e87c3eb04e0cc2efde01dbafab6]
-       [Variability] [comp4.shap] [2009-10-29 12:54:45] [6754037f2a7547483397efade45eb176]
-   P     [Variability] [comp4.shap.pear] [2009-10-29 13:22:07] [6754037f2a7547483397efade45eb176]
-   P       [Variability] [spearmancompmea] [2009-11-03 08:52:35] [6754037f2a7547483397efade45eb176]
-    D        [Variability] [compappliedmean] [2009-11-03 09:25:28] [6754037f2a7547483397efade45eb176]
- RMPD            [T-Tests] [q2pt2] [2010-06-02 10:09:32] [d2e178999f436d3c845948b18046528a] [Current]
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Dataseries X:
1.1	1.8
3.5	5.2
-1.0	3.9
0.1	2.4
0.4	7.2
3.7	8.4
-0.4	8.0
5.9	0.0
1.4	2.8
0.9	8.2
0.6	5.0
-1.0	5.9
1.6	3.2
0.5	2.6
-2.7	5.8
1.3	2.8
5.0	9.6
1.6	7.4
3.4	




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'George Udny Yule' @ 72.249.76.132

\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 & 0 seconds \tabularnewline
R Server & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=77146&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'George Udny Yule' @ 72.249.76.132[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=77146&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=77146&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 time0 seconds
R Server'George Udny Yule' @ 72.249.76.132







T-Test
Mean11.36316
Mean24.80526
T Statistic-4.25837
P-value0.00016
Lower Confidence Limit-5.08521
Upper Confidence Limit-1.799

\begin{tabular}{lllllllll}
\hline
T-Test \tabularnewline
Mean1 & 1.36316 \tabularnewline
Mean2 & 4.80526 \tabularnewline
T Statistic & -4.25837 \tabularnewline
P-value & 0.00016 \tabularnewline
Lower Confidence Limit & -5.08521 \tabularnewline
Upper Confidence Limit & -1.799 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=77146&T=1

[TABLE]
[ROW][C]T-Test[/C][/ROW]
[ROW][C]Mean1[/C][C]1.36316[/C][/ROW]
[ROW][C]Mean2[/C][C]4.80526[/C][/ROW]
[ROW][C]T Statistic[/C][C]-4.25837[/C][/ROW]
[ROW][C]P-value[/C][C]0.00016[/C][/ROW]
[ROW][C]Lower Confidence Limit[/C][C]-5.08521[/C][/ROW]
[ROW][C]Upper Confidence Limit[/C][C]-1.799[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=77146&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=77146&T=1

As an alternative you can also use a QR Code:  

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

T-Test
Mean11.36316
Mean24.80526
T Statistic-4.25837
P-value0.00016
Lower Confidence Limit-5.08521
Upper Confidence Limit-1.799







Standard Deviations
Variable 12.14766
Variable 22.79314

\begin{tabular}{lllllllll}
\hline
Standard Deviations \tabularnewline
Variable 1 & 2.14766 \tabularnewline
Variable 2 & 2.79314 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=77146&T=2

[TABLE]
[ROW][C]Standard Deviations[/C][/ROW]
[ROW][C]Variable 1[/C][C]2.14766[/C][/ROW]
[ROW][C]Variable 2[/C][C]2.79314[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=77146&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=77146&T=2

As an alternative you can also use a QR Code:  

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

Standard Deviations
Variable 12.14766
Variable 22.79314



Parameters (Session):
par1 = two.sided ; par2 = 1 ; par3 = 2 ;
Parameters (R input):
par1 = two.sided ; par2 = 1 ; par3 = 2 ; par4 = T-Test ; par5 = unpaired ; par6 = 0.0 ; par7 = 0.95 ; par8 = TRUE ;
R code (references can be found in the software module):
par2 <- as.numeric(par2)
par3 <- as.numeric(par3)
par4 <- as.character(par4)
par5 <- as.character(par5)
par6 <- as.numeric(par6)
par7 <- as.numeric(par7)
par8 <- as.logical(par8)
if ( par5 == 'unpaired') paired <- FALSE else paired <- TRUE
x <- t(y)
if(par8){
bitmap(file='test1.png')
(r<-boxplot(x ,xlab=xlab,ylab=ylab,main=main,notch=FALSE,col=2))
dev.off()
}
load(file='createtable')
if( par4 == 'Wilcoxon-Mann_Whitney'){
a<-table.start()
a <- table.row.start(a)
a <- table.element(a,'Wilcoxon Test',3,TRUE)
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'',1,TRUE)
a <- table.element(a,'Statistic',1,TRUE)
a <- table.element(a,'P-value',1,TRUE)
a <- table.row.end(a)
W <- wilcox.test(x[,par2],x[,par3],alternative=par1, paired = paired)
a<-table.row.start(a)
a<-table.element(a,'Wilcoxon Test',1,TRUE)
a<-table.element(a,W$statistic[[1]])
a<-table.element(a,round(W$p.value, digits=5) )
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')
}
if( par4 == 'T-Test')
{
T <- t.test(x[,par2],x[,par3],alternative=par1, paired=paired, mu=par6, conf.level=par7)
a<-table.start()
a <- table.row.start(a)
a <- table.element(a,'T-Test',3,TRUE)
a <- table.row.end(a)
if(paired){
a <- table.row.start(a)
a <- table.element(a,'Difference: Mean1 - Mean2',1,TRUE)
a<-table.element(a,round(T$estimate, digits=5) )
a <- table.row.end(a)
}
if(!paired){
a <- table.row.start(a)
a <- table.element(a,'Mean1',1,TRUE)
a<-table.element(a,round(T$estimate[1], digits=5) )
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'Mean2',1,TRUE)
a<-table.element(a,round(T$estimate[2], digits=5) )
a <- table.row.end(a)
}
a <- table.row.start(a)
a <- table.element(a,'T Statistic',1,TRUE)
a<-table.element(a,round(T$statistic, digits=5) )
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'P-value',1,TRUE)
a<-table.element(a,round(T$p.value, digits=5) )
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'Lower Confidence Limit',1,TRUE)
a<-table.element(a,round(T$conf.int[1], digits=5) )
a <- table.row.end(a)
a<-table.row.start(a)
a <- table.element(a,'Upper Confidence Limit',1,TRUE)
a<-table.element(a,round(T$conf.int[2], digits=5) )
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,'Standard Deviations',3,TRUE)
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'Variable 1',1,TRUE)
a<-table.element(a,round(sd(x[,par2]), digits=5) )
a <- table.row.end(a)
a <- table.row.start(a)
a <- table.element(a,'Variable 2',1,TRUE)
a<-table.element(a,round(sd(x[,par3]), digits=5) )
a <- table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable1.tab')