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Author's title

Author

*Unverified author*

R Software Module

rwasp_qqplot.wasp

Title produced by software

QQPlot and Histogram

Date of computation

Mon, 07 Apr 2025 05:05:16 +0200

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2025/Apr/07/t174399524309g97tecr38mffc.htm/, Retrieved Tue, 19 May 2026 21:17:03 +0200

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=, Retrieved Tue, 19 May 2026 21:17:03 +0200

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Estimated Impact

Dataseries X:

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Histogram

Boxplots

Dataseries Y:

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Histogram

Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	Big Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time2 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=&T=0

[TABLE]
[ROW]

Summary of computational transaction[/C][/ROW] [ROW]

Raw Input[/C]

view raw input (R code) [/C][/ROW] [ROW]

Raw Output[/C]

view raw output of R engine [/C][/ROW] [ROW]

Computing time[/C]

2 seconds[/C][/ROW] [ROW]

R Server[/C]

Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=&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 Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	2 seconds
R Server	Big Analytics Cloud Computing Center

Descriptive Statistics
mean of X	290.764069264069
standard deviation of X	79.052267005843
mean of Y	278.776965265082
standard deviation of Y	55.7573364440079

\begin{tabular}{lllllllll}
\hline
Descriptive Statistics \tabularnewline
mean of X & 290.764069264069 \tabularnewline
standard deviation of X & 79.052267005843 \tabularnewline
mean of Y & 278.776965265082 \tabularnewline
standard deviation of Y & 55.7573364440079 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=&T=1

[TABLE]
[ROW][C]Descriptive Statistics[/C][/ROW]
[ROW][C]mean of X[/C][C]290.764069264069[/C][/ROW]
[ROW][C]standard deviation of X[/C][C]79.052267005843[/C][/ROW]
[ROW][C]mean of Y[/C][C]278.776965265082[/C][/ROW]
[ROW][C]standard deviation of Y[/C][C]55.7573364440079[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=&T=1

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

As an alternative you can also use a QR Code:

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

Descriptive Statistics
mean of X	290.764069264069
standard deviation of X	79.052267005843
mean of Y	278.776965265082
standard deviation of Y	55.7573364440079

Figure 1

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Postscript link

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Figure 2

PNG link

Postscript link

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Figure 3

PNG link

Postscript link

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Figure 4

PNG link

Postscript link

PDF link

Figure 5

PNG link

Postscript link

PDF link

Parameters (Session):

par1 = 0 ;

Parameters (R input):

par1 = 0 ;

R code (references can be found in the software module):

par1 &lt;- '0'
library(car)
plot.qqline &lt;- function(x,y,a=0.25, ...) {
y &lt;- quantile(y[!is.na(y)],c(a, 1-a))
x &lt;- quantile(x[!is.na(x)],c(a, 1-a))
points(x,y,...)
slope &lt;- diff(y)/diff(x)
int &lt;- y[1]-slope*x[1]
abline(int, slope, ...)
}
if(par1 == '') par1 &lt;- 0
par1 &lt;- as.numeric(par1)
if (par1 &lt; 0) par1 &lt;- 0
bitmap(file='test1.png')
if(par1 &gt; 0) {
myhist&lt;-hist(x, breaks=par1, col=2,main='Histogram (series X)')
} else {
myhist &lt;- hist(x, col=2)
}
dev.off()
bitmap(file='test1a.png')
if(par1 &gt; 0) {
myhist&lt;-hist(y, breaks=par1, col=2,main='Histogram (series Y)')
} else {
myhist &lt;- hist(y, col=2)
}
dev.off()
bitmap(file='test2.png')
qqPlot(x,main='Normal Q-Q Plot (series X)',ylab='Sample Quantiles',xlab='Normal Quantiles')
dev.off()
bitmap(file='test2a.png')
qqPlot(y,main='Normal Q-Q Plot (series Y)',ylab='Sample Quantiles',xlab='Normal Quantiles')
dev.off()
bitmap(file='test3.png')
qqplot(x,y,main='Q-Q Plot (series X vs Y)',ylab='Sample Quantiles of series Y',xlab='Sample Quantiles of series X')
plot.qqline(x,y)
grid()
dev.off()
load(file='createtable')
a&lt;-table.start()
a&lt;-table.row.start(a)
a&lt;-table.element(a,'Descriptive Statistics',2,TRUE)
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'mean of X',header=TRUE)
a&lt;-table.element(a,mean(x))
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'standard deviation of X',header=TRUE)
a&lt;-table.element(a,sd(x))
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'mean of Y',header=TRUE)
a&lt;-table.element(a,mean(y))
a&lt;-table.row.end(a)
a&lt;-table.row.start(a)
a&lt;-table.element(a,'standard deviation of Y',header=TRUE)
a&lt;-table.element(a,sd(y))
a&lt;-table.row.end(a)
a&lt;-table.end(a)
table.save(a,file='mytable.tab')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code