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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software ModuleIan.Hollidayrwasp_Z-Test.wasp
Title produced by softwareZ-Test
Date of computationSun, 18 Oct 2009 05:54:08 -0600
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2009/Oct/18/t1255866944thhnsilny6326qr.htm/, Retrieved Mon, 29 Apr 2024 15:52:31 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=47284, Retrieved Mon, 29 Apr 2024 15:52:31 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywordsZ- Test Normal Distribution Aston University PY2224
Estimated Impact127

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Z-Test ] [Simple S- Test] [2009-10-18 11:54:08] [a9208f4f8d3b118336aae915785f2bd9] [Current]
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Dataset

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=47284&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]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=47284&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=47284&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 time0 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Simple Ztest
MeanStandard DeviationTest valueZ-Scorep value
01000.5

\begin{tabular}{lllllllll}
\hline
Simple Ztest \tabularnewline
Mean & Standard Deviation & Test value & Z-Score & p value \tabularnewline
0 & 1 & 0 & 0 & 0.5\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=47284&T=1

[TABLE]
[ROW][C]Simple Ztest[/C][/ROW]
[ROW][C]Mean[/C][C]Standard Deviation[/C][C]Test value[/C][C]Z-Score[/C][C]p value[/C][/ROW]
[ROW][C]0[/C][C]1[/C][C]0[/C][C]0[/C][C]0.5[/C][/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=47284&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=47284&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:

Simple Ztest
MeanStandard DeviationTest valueZ-Scorep value
01000.5


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0 ; par2 = 1.0 ; par3 = 0 ;
Parameters (R input):
par1 = 0 ; par2 = 1.0 ; par3 = 0 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1) #mean
par2<- as.numeric(par2) # Standrad Deviation
par3<-as.numeric(par3) # value to test
z<-(par3-par1)/par2
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,hyperlink('overview.htm','Simple Ztest','Z- Test'),6,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,hyperlink('arithmetic_mean.htm','Mean','definition of Mean'),1,TRUE)
a<-table.element(a,hyperlink('unbiased1.htm','Standard Deviation','definition of Standard Deviation'),1,TRUE)
a<-table.element(a,'Test value',1,TRUE)
a<-table.element(a,'Z-Score',1,TRUE)
a<-table.element(a,'p value',1,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,par1,1,TRUE)
a<-table.element(a,par2,1,TRUE)
a<-table.element(a,par3,1,TRUE)
a<-table.element(a,z,1,TRUE)
a<-table.element(a,signif(pnorm(z), digits=3),1,TRUE)
a<-table.end(a)
table.save(a,file='mytable.tab')