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Description of Statistical Computation

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 computationFri, 01 Jun 2012 06:15:43 -0400
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/Jun/01/t1338545764o9ja6dkx7t1nkmt.htm/, Retrieved Thu, 02 May 2024 01:44:14 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=168616, Retrieved Thu, 02 May 2024 01:44:14 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact98

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Histogram, QQplot and Density] [Women measured we...] [2012-06-01 09:52:57] [b687f6e38eec57c340962174507f7a8f]
- R  D  [Histogram, QQplot and Density] [Women reported w] [2012-06-01 09:54:56] [b687f6e38eec57c340962174507f7a8f]
-    D    [Histogram, QQplot and Density] [women - measured ...] [2012-06-01 09:58:23] [b687f6e38eec57c340962174507f7a8f]
-    D      [Histogram, QQplot and Density] [women reported he...] [2012-06-01 09:59:53] [b687f6e38eec57c340962174507f7a8f]
-    D        [Histogram, QQplot and Density] [male measured ] [2012-06-01 10:01:59] [b687f6e38eec57c340962174507f7a8f]
-    D          [Histogram, QQplot and Density] [male height measure] [2012-06-01 10:04:16] [b687f6e38eec57c340962174507f7a8f]
-    D            [Histogram, QQplot and Density] [men reported weight] [2012-06-01 10:06:02] [b687f6e38eec57c340962174507f7a8f]
- RMPD              [T-Tests] [Women - measured ...] [2012-06-01 10:11:55] [b687f6e38eec57c340962174507f7a8f]
- R  D                  [T-Tests] [men measured vs r...] [2012-06-01 10:15:43] [088dec10f3cee2e79fb056e2eecc70f7] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
77	77
68	70
76	76
76	77
69	73
71	71
65	64
70	75
92	101
76	75
119	124
65	66
66	70
101	100
75	73
79	76
64	65
69	69
88	86
65	67
80	80
78	80
85	82
73	NA
82	85
74	73
102	107
64	NA
65	64
73	74
75	70
57	58
68	69
71	71
71	76
97	98
80	76
66	66
69	70
69	70
55	56
59	61
62	66
70	68
84	86
69	71
88	87
103	101
63	63
84	90
79	79
67	67
83	83
96	94
75	76
65	66
78	77
69	73
67	NA
87	89
83	84
90	91
85	83
66	68
88	86
54	58
69	68
56	58
96	95
76	75
61	61
82	NA
62	64
71	68
66	67
81	82
68	68
80	78
82	NA
70	70
76	75
88	93
89	86
74	71
83	80
81	NA
90	91
79	81

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gertrude Mary Cox' @ cox.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 & 1 seconds \tabularnewline
R Server & 'Gertrude Mary Cox' @ cox.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=168616&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]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gertrude Mary Cox' @ cox.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=168616&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=168616&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 time1 seconds
R Server'Gertrude Mary Cox' @ cox.wessa.net






T-Test
Mean175.89773
Mean276.56098
T Statistic-0.3572
P-value0.72139
Lower Confidence Limit-4.32916
Upper Confidence Limit3.00267

\begin{tabular}{lllllllll}
\hline
T-Test \tabularnewline
Mean1 & 75.89773 \tabularnewline
Mean2 & 76.56098 \tabularnewline
T Statistic & -0.3572 \tabularnewline
P-value & 0.72139 \tabularnewline
Lower Confidence Limit & -4.32916 \tabularnewline
Upper Confidence Limit & 3.00267 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=168616&T=1

[TABLE]
[ROW][C]T-Test[/C][/ROW]
[ROW][C]Mean1[/C][C]75.89773[/C][/ROW]
[ROW][C]Mean2[/C][C]76.56098[/C][/ROW]
[ROW][C]T Statistic[/C][C]-0.3572[/C][/ROW]
[ROW][C]P-value[/C][C]0.72139[/C][/ROW]
[ROW][C]Lower Confidence Limit[/C][C]-4.32916[/C][/ROW]
[ROW][C]Upper Confidence Limit[/C][C]3.00267[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=168616&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=168616&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:

T-Test
Mean175.89773
Mean276.56098
T Statistic-0.3572
P-value0.72139
Lower Confidence Limit-4.32916
Upper Confidence Limit3.00267






Standard Deviations
Variable 111.89034
Variable 212.2868

\begin{tabular}{lllllllll}
\hline
Standard Deviations \tabularnewline
Variable 1 & 11.89034 \tabularnewline
Variable 2 & 12.2868 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=168616&T=2

[TABLE]
[ROW][C]Standard Deviations[/C][/ROW]
[ROW][C]Variable 1[/C][C]11.89034[/C][/ROW]
[ROW][C]Variable 2[/C][C]12.2868[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=168616&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=168616&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:

Standard Deviations
Variable 111.89034
Variable 212.2868


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = two.sided ; par2 = 1 ; par3 = 2 ; par4 = T-Test ; par5 = unpaired ; par6 = 0.0 ; par7 = 0.95 ; par8 = TRUE ;
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], na.rm=TRUE), 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], na.rm=TRUE), digits=5) )
a <- table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable1.tab')