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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_babies.wasp
Title produced by softwareExercise 1.13
Date of computationMon, 13 Oct 2008 12:33:37 -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/2008/Oct/13/t1223922889d13k4nqka9sctwp.htm/, Retrieved Sun, 19 May 2024 13:22:31 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=15878, Retrieved Sun, 19 May 2024 13:22:31 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact166

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
F     [Exercise 1.13] [Exercise 1.13 (Wo...] [2008-10-01 13:28:34] [b98453cac15ba1066b407e146608df68]
F       [Exercise 1.13] [ex 1.13 - vraag 1] [2008-10-13 15:54:03] [1e82cb4c98d4057b5653dbe7a07f2cda]
F   P     [Exercise 1.13] [ex 1.13 vraag 2] [2008-10-13 15:56:20] [1e82cb4c98d4057b5653dbe7a07f2cda]
- R         [Exercise 1.13] [ex 1.13 vraag 3] [2008-10-13 16:00:47] [1e82cb4c98d4057b5653dbe7a07f2cda]
F   P           [Exercise 1.13] [ex 1.13 vraag 3 OK] [2008-10-13 18:33:37] [b79c120a10db68831e56670e957149a7] [Current]
Feedback Forum
2008-10-17 16:49:36 [Jeroen Michel] [reply] 
In deze opgave is een foutje geslopen. Het veranderen van de titels naar het Nederlands is wel correct gebeurd. Het veranderen van de tekens van > naar < in de 'If-functie' is ook correct gebeurd. Maar de wijziging op het einde van de R-code van 'more' naar 'less' is slecht 1 keer gebeurd. Dit moest zowel bij het grote ziekenhuis als bij het kleine ziekenhuis veranderd worden. Op deze manier kan je beide ziekenhuizen vergelijken.
2008-10-19 14:37:13 [Niels Stas] [reply] 
Ook deze oefening is correct uitgevoerd. Je hebt de nodige wijzigingen gedaan in de R code, zowel voor de opmaak als voor het resultaat van de oefening.
2008-10-20 20:01:30 [Thi Thanh Hoang] [reply] 
Je parameters zijn correct uitgevoerd, alleen jammer dat je de 1ste 'more' vergeten bent te veranderen in 'less'. Maar dat was niet echt gevraagd dus is dit niet zo zeer een probleem.

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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 time5 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 & 5 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=15878&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]5 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=15878&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=15878&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 time5 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135






Exercise 1.13 p. 14 (Introduction to Probability, 2nd ed.)
Number of simulated days3650
Expected number of births in Large Hospital45
Expected number of births in Small Hospital15
Percentage of Male births per day(for which the probability is computed)0.6
#Females births in Large Hospital82011
#Males births in Large Hospital82239
#Female births in Small Hospital27312
#Male births in Small Hospital27438
Probability of more than 60 % of male births in Large Hospital0.888767123287671
Probability of more than 60 % of male births in Small Hospital0.70054794520548
#Days per Year when less than 60 % of male births occur in Large Hospital324.4
#Days per Year when less than 60 % of male births occur in Small Hospital255.7

\begin{tabular}{lllllllll}
\hline
Exercise 1.13 p. 14 (Introduction to Probability, 2nd ed.) \tabularnewline
Number of simulated days & 3650 \tabularnewline
Expected number of births in Large Hospital & 45 \tabularnewline
Expected number of births in Small Hospital & 15 \tabularnewline
Percentage of Male births per day(for which the probability is computed) & 0.6 \tabularnewline
#Females births in Large Hospital & 82011 \tabularnewline
#Males births in Large Hospital & 82239 \tabularnewline
#Female births in Small Hospital & 27312 \tabularnewline
#Male births in Small Hospital & 27438 \tabularnewline
Probability of more than 60 % of male births in Large Hospital & 0.888767123287671 \tabularnewline
Probability of more than 60 % of male births in Small Hospital & 0.70054794520548 \tabularnewline
#Days per Year when less than 60 % of male births occur in Large Hospital & 324.4 \tabularnewline
#Days per Year when less than 60 % of male births occur in Small Hospital & 255.7 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=15878&T=1

[TABLE]
[ROW][C]Exercise 1.13 p. 14 (Introduction to Probability, 2nd ed.)[/C][/ROW]
[ROW][C]Number of simulated days[/C][C]3650[/C][/ROW]
[ROW][C]Expected number of births in Large Hospital[/C][C]45[/C][/ROW]
[ROW][C]Expected number of births in Small Hospital[/C][C]15[/C][/ROW]
[ROW][C]Percentage of Male births per day(for which the probability is computed)[/C][C]0.6[/C][/ROW]
[ROW][C]#Females births in Large Hospital[/C][C]82011[/C][/ROW]
[ROW][C]#Males births in Large Hospital[/C][C]82239[/C][/ROW]
[ROW][C]#Female births in Small Hospital[/C][C]27312[/C][/ROW]
[ROW][C]#Male births in Small Hospital[/C][C]27438[/C][/ROW]
[ROW][C]Probability of more than 60 % of male births in Large Hospital[/C][C]0.888767123287671[/C][/ROW]
[C]Probability of more than 60 % of male births in Small Hospital[/C][C]0.70054794520548[/C][/ROW]
[ROW][C]#Days per Year when less than 60 % of male births occur in Large Hospital[/C][C]324.4[/C][/ROW]
[C]#Days per Year when less than 60 % of male births occur in Small Hospital[/C][C]255.7[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=15878&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=15878&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:

Exercise 1.13 p. 14 (Introduction to Probability, 2nd ed.)
Number of simulated days3650
Expected number of births in Large Hospital45
Expected number of births in Small Hospital15
Percentage of Male births per day(for which the probability is computed)0.6
#Females births in Large Hospital82011
#Males births in Large Hospital82239
#Female births in Small Hospital27312
#Male births in Small Hospital27438
Probability of more than 60 % of male births in Large Hospital0.888767123287671
Probability of more than 60 % of male births in Small Hospital0.70054794520548
#Days per Year when less than 60 % of male births occur in Large Hospital324.4
#Days per Year when less than 60 % of male births occur in Small Hospital255.7


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 3650 ; par2 = 45 ; par3 = 15 ; par4 = 0.6 ;
Parameters (R input):
par1 = 3650 ; par2 = 45 ; par3 = 15 ; par4 = 0.6 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1)
par2 <- as.numeric(par2)
par3 <- as.numeric(par3)
par4 <- as.numeric(par4)
numsuccessbig <- 0
numsuccesssmall <- 0
bighospital <- array(NA,dim=c(par1,par2))
smallhospital <- array(NA,dim=c(par1,par3))
bigprob <- array(NA,dim=par1)
smallprob <- array(NA,dim=par1)
for (i in 1:par1) {
bighospital[i,] <- sample(c('F','M'),par2,replace=TRUE)
if (as.matrix(table(bighospital[i,]))[2] < par4*par2) numsuccessbig = numsuccessbig + 1
bigprob[i] <- numsuccessbig/i
smallhospital[i,] <- sample(c('F','M'),par3,replace=TRUE)
if (as.matrix(table(smallhospital[i,]))[2] < par4*par3) numsuccesssmall = numsuccesssmall + 1
smallprob[i] <- numsuccesssmall/i
}
tbig <- as.matrix(table(bighospital))
tsmall <- as.matrix(table(smallhospital))
tbig
tsmall
numsuccessbig/par1
bigprob[par1]
numsuccesssmall/par1
smallprob[par1]
numsuccessbig/par1*365
bigprob[par1]*365
numsuccesssmall/par1*365
smallprob[par1]*365
bitmap(file='test1.png')
plot(bigprob,col=2,main='Waarschijnlijkheid in het grote ziekenhuis',xlab='#gesimuleerd aantal dagen',ylab='waarschijnlijkheid')
dev.off()
bitmap(file='test2.png')
plot(smallprob,col=2,main='Waarschijnlijkheid in het kleine ziekenhuis',xlab='#gesimuleerd aantal dagen',ylab='waarschijnlijkheid')
dev.off()
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Exercise 1.13 p. 14 (Introduction to Probability, 2nd ed.)',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Number of simulated days',header=TRUE)
a<-table.element(a,par1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Expected number of births in Large Hospital',header=TRUE)
a<-table.element(a,par2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Expected number of births in Small Hospital',header=TRUE)
a<-table.element(a,par3)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Percentage of Male births per day
(for which the probability is computed)',header=TRUE)
a<-table.element(a,par4)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'#Females births in Large Hospital',header=TRUE)
a<-table.element(a,tbig[1])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'#Males births in Large Hospital',header=TRUE)
a<-table.element(a,tbig[2])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'#Female births in Small Hospital',header=TRUE)
a<-table.element(a,tsmall[1])
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'#Male births in Small Hospital',header=TRUE)
a<-table.element(a,tsmall[2])
a<-table.row.end(a)
a<-table.row.start(a)
dum1 <- paste('Probability of more than', par4*100, sep=' ')
dum <- paste(dum1, '% of male births in Large Hospital', sep=' ')
a<-table.element(a, dum, header=TRUE)
a<-table.element(a, bigprob[par1])
a<-table.row.end(a)
dum <- paste(dum1, '% of male births in Small Hospital', sep=' ')
a<-table.element(a, dum, header=TRUE)
a<-table.element(a, smallprob[par1])
a<-table.row.end(a)
a<-table.row.start(a)
dum1 <- paste('#Days per Year when less than', par4*100, sep=' ')
dum <- paste(dum1, '% of male births occur in Large Hospital', sep=' ')
a<-table.element(a, dum, header=TRUE)
a<-table.element(a, bigprob[par1]*365)
a<-table.row.end(a)
dum <- paste(dum1, '% of male births occur in Small Hospital', sep=' ')
a<-table.element(a, dum, header=TRUE)
a<-table.element(a, smallprob[par1]*365)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')