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Description of Statistical Computation

Author's title

Author*Unverified author*
R Software ModuleIan.Hollidayrwasp_Tests to Compare Two Means.wasp
Title produced by softwareT-Tests
Date of computationTue, 16 Nov 2010 15:57:51 +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/Nov/16/t1289922967onxr5x0zx36hv0v.htm/, Retrieved Tue, 10 Feb 2026 21:14:44 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=95973, Retrieved Tue, 10 Feb 2026 21:14:44 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact273

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Aston University Statistical Software] [Background Contex...] [2009-11-16 16:45:07] [74be16979710d4c4e7c6647856088456]
- R     [Aston University Statistical Software] [Background Contex...] [2009-11-16 17:12:31] [74be16979710d4c4e7c6647856088456]
- R P       [T-Tests] [sa] [2010-11-16 15:57:51] [d41d8cd98f00b204e9800998ecf8427e] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
0.06	0.24
0.12	0.73
0.61	0.53
0.89	0.44
0.59	0.45
0.31	0.07
0.67	0.28
0.60	0.45
0.23	0.73
0.44	0.41
0.60	0.67
0.21	0.45
0.66	0.06
0.39	0.33
0.78	0.42
0.57	0.41
0.38	0.52
0.59	0.49
0.48	0.55
0.44	0.13
0.30	0.45
0.63	0.19
0.43	0.20
0.74	0.07
0.48	0.11
0.77	0.45
0.37	0.40
0.61	0.45
0.49	0.19
0.46	0.51

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'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 & 1 seconds \tabularnewline
R Server & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=95973&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]'George Udny Yule' @ 72.249.76.132[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=95973&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=95973&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'George Udny Yule' @ 72.249.76.132


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = less ; par2 = 1 ; par3 = 2 ; par4 = T-Test ; par5 = paired ; par6 = 0.0 ; par7 = .95 ; par8 = TRUE ;
Parameters (R input):
par1 = less ; par2 = 1 ; par3 = 2 ; par4 = T-Test ; par5 = paired ; par6 = 0.0 ; par7 = .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'#
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'#